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Otter Creek Wind Farm Limited Partnership
Hydrogeological Assessment and Effects Assessment
Prepared by:
AECOM
105 Commerce Valley Drive West, Floor 7 905 886 7022 tel
Markham, ON, Canada L3T 7W3 905 886 9494 fax
www.aecom.com
Date: February, 2017
Project Number: 60504082
Otter Creek Wind Farm Limited Partnership
Hydrogeological Assessment and Effects Assessment
B4_04_D&O - App C Hydrogeology (27.02.2017)
Statement of Qualifications and Limitations
The attached Report (the “Report”) has been prepared by AECOM Canada Ltd. (“AECOM”) for the benefit of Otter Creek Wind
Limited Partnership (“Client”) in accordance with the agreement between AECOM and Client, including the scope of work detailed
therein (the “Agreement”).
The information, data, recommendations and conclusions contained in the Report (collectively, the “Information”):
is subject to the scope, schedule, and other constraints and limitations in the Agreement and the qualifications
contained in the Report (the “Limitations”);
represents AECOM’s professional judgement in light of the Limitations and industry standards for the preparation of
similar reports;
may be based on information provided to AECOM which has not been independently verified;
has not been updated since the date of issuance of the Report and its accuracy is limited to the time period and
circumstances in which it was collected, processed, made or issued;
must be read as a whole and sections thereof should not be read out of such context;
was prepared for the specific purposes described in the Report and the Agreement; and
in the case of subsurface, environmental or geotechnical conditions, may be based on limited testing and on the
assumption that such conditions are uniform and not variable either geographically or over time.
AECOM shall be entitled to rely upon the accuracy and completeness of information that was provided to it and has no
obligation to update such information. AECOM accepts no responsibility for any events or circumstances that may have
occurred since the date on which the Report was prepared and, in the case of subsurface, environmental or geotechnical
conditions, is not responsible for any variability in such conditions, geographically or over time.
AECOM agrees that the Report represents its professional judgement as described above and that the Information has been
prepared for the specific purpose and use described in the Report and the Agreement, but AECOM makes no other
representations, or any guarantees or warranties whatsoever, whether express or implied, with respect to the Report, the
Information or any part thereof.
Except (1) as agreed to in writing by AECOM and Client; (2) as required by-law; or (3) to the extent used by governmental
reviewing agencies for the purpose of obtaining permits or approvals, the Report and the Information may be used and relied
upon only by Client.
AECOM accepts no responsibility, and denies any liability whatsoever, to parties other than Client who may obtain access to the
Report or the Information for any injury, loss or damage suffered by such parties arising from their use of, reliance upon, or
decisions or actions based on the Report or any of the Information (“improper use of the Report”), except to the extent those
parties have obtained the prior written consent of AECOM to use and rely upon the Report and the Information. Any injury, loss
or damages arising from improper use of the Report shall be borne by the party making such use.
This Statement of Qualifications and Limitations is attached to and forms part of the Report and any use of the Report is subject
to the terms hereof.
AECOM: 2015-04-13
© 2009-2015 AECOM Canada Ltd. All Rights Reserved.
Otter Creek Wind Farm Limited Partnership
Hydrogeological Assessment and Effects Assessment
B4_04_D&O - App C Hydrogeology (27.02.2017)
Authors
Report Prepared By:
Erin M. Wilson, B. Sc., P.Geo
Hydrogeologist
Report Reviewed By:
Jason A. Murchison, P.Geo., QP(ESA O.Reg. 153)
Senior Hydrogeologist
Senior Manager, Geosciences
(Hydrogeology/ Geotechnical Engineering)
Otter Creek Wind Farm Limited Partnership
Hydrogeological Assessment and Effects Assessment
B4_04_D&O - App C Hydrogeology (27.02.2017)
Table of Contents
page
1. Introduction ................................................................................................ 1
2. Existing Conditions.................................................................................... 3
2.1 Topography and Physiography .......................................................................................... 3
2.2 Geological Setting .............................................................................................................. 3
2.2.1 Bedrock Geology .................................................................................................... 3
2.2.2 Overburden Geology .............................................................................................. 4
2.2.2.1 Surficial Overburden Geology ............................................................................. 4 2.2.2.2 Subsurface Overburden Geology ........................................................................ 4
2.2.3 Economic Geology ................................................................................................. 4
2.2.4 Seismicity ............................................................................................................... 6
2.3 Hydrogeological Setting ..................................................................................................... 6
2.3.1 Hydrostratigraphy ................................................................................................... 6
2.3.1.1 Groundwater Flow ............................................................................................... 7
2.3.2 Groundwater Resources......................................................................................... 7
2.3.2.1 Groundwater Use ................................................................................................ 7 2.3.2.2 Depth to Water Table .......................................................................................... 9
2.3.3 Highly Vulnerable Aquifers ..................................................................................... 9
2.3.4 Significant Groundwater Recharge Areas ............................................................... 9
2.3.5 Well Head Protection and Intake Protection Zones............................................... 10
2.3.6 Permit to Take Water Records ............................................................................. 10
3. Water Taking Assessment ....................................................................... 11
3.1 Temporary Water Takings and Construction Considerations ........................................... 11
3.2 Long Term Water Takings and Operation Considerations ................................................ 13
4. Assessment of Impacts and Monitoring Requirements ........................ 14
5. Conclusions and Recommendations ...................................................... 16
6. References ................................................................................................ 17
List of Figures
Figure 1: Physiography ............................................................................................................................................. 2
Figure 2: Surficial Geology ....................................................................................................................................... 5
Figure 3: Water Well Records and Permit to Take Water Records .......................................................................... 8
Otter Creek Wind Farm Limited Partnership
Hydrogeological Assessment and Effects Assessment
B4_04_D&O - App C Hydrogeology (27.02.2017)
List of Tables
Table 1: Summary of MOECC Water Well Record Information .............................................................................. 9
Table 2: Site Conditions and Design Parameters ................................................................................................. 11
Table 3: Mitigation Measures, Net Effects and Monitoring Plan: Geology and Groundwater ............................... 14
Appendices
Appendix A. Ministry of Environment and Climate Change Water Well Records and Permit to Take Water
Records
Appendix B. Chatham-Kent and St. Clair Intake Protection Zones and Significant Threat Mapping
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1. Introduction
The Otter Creek Wind Farm Project (the Project) is being proposed by Otter Creek Wind Farm Limited Partnership
(Otter Creek), a partnership of Renewable Energy Systems Canada (RES Canada), Boralex Inc. and Walpole
Island First Nation . The proposed project is a Class 4 wind facility in the Municipality of Chatham-Kent, north of the
community of Wallaceburg. The Project is generally bounded by Whitebread Line and Kent Line to the north, Payne
Road to the west, Stewart Line and McCreary Line to the south and Mandaumin Road / County Road 44 to the east
(Figure 1).
The Project will use wind to generate energy through the use of wind turbine technology with a Project nameplate
capacity of up to 50 MW. Twelve (12) turbine locations are currently being assessed for the Project. To facilitate
construction of the proposed Project, a number of permanent and temporary construction components will be
required, including:
Wind Turbine Generators;
Wind Turbine Foundations;
Wind Turbine Access Roads;
Collector Lines;
Electrical Substation;
Communication Tower (if required);
Meteorological Towers;
Interconnection Station;
Operation and Maintenance Building (if required); and
Temporary Turbine Laydown Areas and Turbine Working Areas.
A detailed description of key Project information is presented in the Project Description Report prepared by AECOM
Canada Ltd. (AECOM, 2017).
The scope of this Hydrogeological Assessment was developed in accordance with requirements of the Renewable
Energy Approval (REA) process outlined in Ontario Regulation 359/09 (O. Reg. 359/09), as amended.
For this assessment, a desktop study was conducted to provide a high-level characterization of existing local
geological and hydrogeologic conditions and to identify potential effects to groundwater through construction and
installation of the Project. For the purpose of this investigation the area being considered for the Project has been
defined as the Study Area shown as a purple polygon on Figure 1 and defined as the general bounded project area
described above. Subsurface stratigraphy, hydrogeological conditions and general groundwater usage near the
Project was interpreted from available secondary source data including:
Quaternary geological mapping from the Ontario Geological Survey (OGS);
Bedrock geological mapping from OGS;
MOECC Water Well Records;
MOECC Permit to Take Water (PTTW) Records;
Drift thickness mapping from OGS; and
Geotechnical borehole data from the Oil, Gas and Salt Resource Library.
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Figure 1: Physiography
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Hydrogeological Assessment and Effects Assessment
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2. Existing Conditions
2.1 Topography and Physiography
The Project lies within two (2) distinct physiographic regions. The majority of the Project lies within the Chatham
Flats, a sub-region of the St. Clair Clay Plains physiographic region, whereas a small portion of the southeastern
and southwestern portions of the Project are located within the Bothwell Sand Plains physiographic region
(Chapman and Putnam, 1984) (Figure 1).
The Chatham Flats is described as a low relief extensive clay plain consisting of lacustrine and/or alluvial sands, silt
sand clays, that slope gently to the west toward Lake St. Clair. In the Municipality of Chatham-Kent, a shallow sand
layer is found to overlie the predominantly clay soils (Chapman and Putnam, 1984). According to MOECC water
wells records, the sand layer can be up to 5 metres (m) thick in certain areas.
The Bothwell Sand Plain consists of glaciolacustrine fine sands and silts associated with a delta of the Thames
River in glacial Lake Warren (Fitzgerald and Hradsky, 1980). These sands form a thin veneer (less than 2 m thick)
overlying a predominantly clay soil.
Fine-grained soils residing beneath the surficial granular veneer in both physiographic regions typically inhibits
deep infiltration of surface water and precipitation, resulting in the common occurrence of a shallow water table
condition in much of the region (Chapman and Putnam, 1984). Topographic depressions commonly exhibit swampy
or wet conditions.
Land use across the Study Area is dominated by a mixture of crop cultivation and livestock agriculture, which has
been made possible by the installation of dredged ditches and tile under-drains to provide satisfactory moisture
conditions within the imperfectly drained soils. Chapman and Putnam (1984) classify the soils of the Bothwell Sand
Plains as low-grade, with the majority of the farmland cultivated with corn and soybeans. In contrast, the soils of
the Chatham flats are considered highly fertile, producing cash crops in addition to corn and soybeans.
Ground surface topography within the Study Area is characterized as possessing low relief, with minor undulations
commonly associated with local surface water features. Generally, the ground surface elevation within the Study
Area decreases toward the west from a high of approximately 180 meters above sea level (mASL) to a low of about
175 mASL (Figure 1).
2.2 Geological Setting
2.2.1 Bedrock Geology
Surrounding the Project, thick successions of Upper Devonian aged Paleozoic sedimentary rocks subcrop beneath
the overburden soils. The Project is underlain by bedrock of the Kettle Point Formation, which can be described
generally as a brown to black, laminated, organic-rich shale and siltstone (Armstrong, D.K., and Dodge, J.E.P., 2007).
Depth to bedrock across the Study Area was assessed through a review of Drift Thickness mapping published by
the OGS, as well as MOECC water well record information. Based on this review, overburden thickness within the
Study Area has been shown to range between approximately 13 m and 43 m, with an average thickness of about
24 m.
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2.2.2 Overburden Geology
Thick overburden deposits consisting of both fine and coarse textured glacial sediments and fluvial deposits occur
across the Study Area. The Project is situated within an abandoned lacustrine plain that consists of numerous
alluvial features which were deposited in high level post-glacial and non-glacial lakes which historically occupied
the St. Clair basin. Where the Thames River entered the glacial lakes, deltaic sediments of sand and gravel were
deposited.
2.2.2.1 Surficial Overburden Geology
Surficial geology across the Study Area is illustrated in Figure 2. The following surficial sediments are found within
the Study Area, as indicated in the figure:
Alluvial Deposits
Modern alluvial deposits of clay, silt, and sand were laid down in river floodplains during the post-glacial period.
Locally, these deposits occur primarily within the floodplain of two (2) major river systems that transect the Project;
being the Sydenham River and Otter Creek.
Older alluvial deposits of clay, silt, and sand are found in abandoned high-level floodplains within existing floodplains
and along rivers and streams that once flowed into the Erie and St. Clair basins. These rivers and streams have
produced areas of gently rolling and variably textured terrain within the Study Area. Deltaic deposits of fine sand and
silt covers much of the southwest portion of the Study Area (Fitzgerald and Hradsky, 1980).
Glaciolacustrine Deposits
Course textured glaciolacustrine deposits of sand and silt occupy an appreciable component of the northwest
portion of the Project Location (Figure 2). According to MOECC water well records, these deposits are up to 3 m
thick and overlie fine-textured glaciolacustrine deposits of silt and clay. In some areas, the course textured
glaciolacustrine deposits underlay approximately 1 m of surface clay.
During periods of deep water deposition, thick sequences of fine-textured glaciolacustrine sediments of silt and clay
accumulated in glacial lakes that occupied the St. Clair basin. These deposits directly underlie the deltaic deposits
described earlier and are exposed at surface throughout much of the Study Area. The thickness of the deposit is
primarily controlled by bedrock topography within the Study Area and ranges between approximately 18 m in the
east to approximately 33 m towards the west. According to MOECC water well records, the deep-water deposits
are described as soft blue clay overlain by up to approximately 6 m of hard brown clay.
2.2.2.2 Subsurface Overburden Geology
Underlying the fine-textured glaciolacustrine sediments within the Study Area is a thin sand and gravel layer which
directly overlies the shale bedrock. This deposit is described in the MOECC water well record database as dense
fine sand and gravel and ranges in thickness from approximately 0.5 m to 1.0 m. Gas deposits are sometimes
associated with this sand and gravel layer.
2.2.3 Economic Geology
Oil and gas exploration is the most important geological resource within the Study Area. Actively producing gas
wells are found within the central and north-central portion of the Study Area (OGSR, 2014). Several major gas
pipelines transverse the Study Area in a north-south direction (OGSR, 1999) (Figure 2).
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Figure 2: Surficial Geology
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According to the OGS (2010), no pit and/or quarry activities are located within the Study Area.
2.2.4 Seismicity
Seismic hazard is quantified by determining the probability of expected ground motion within an area. The
Geological Survey of Canada (GSC) is responsible for evaluating regional seismic hazards and preparing seismic
hazard maps based on statistical analysis of past earthquakes and from knowledge of Canada’s tectonic and
geological structure. The National Building Code uses seismic hazard maps and earthquake load guidelines to
design and construct buildings to be as resilient to earthquake damage as possible. According to the 2010 Seismic
Hazard Map prepared by GSC (2015), the Project is situated within a low relative hazard area.
2.3 Hydrogeological Setting
Surficial geology and physiography of the Municipality of Chatham-Kent provides a foundation to characterize the
general hydrostratigraphy of the lands within the Study Area. Hydrostratigraphy is the classification of various
major stratigraphic units into aquifers and aquitards, with some simplification or combination of units with similar
properties. A review of available secondary source information was used in this investigation.
2.3.1 Hydrostratigraphy
An aquifer is classically defined as a geological unit that is sufficiently permeable to permit the extraction of a
useable supply of water. Aquifer units within the Study Area are typically comprised of coarse-textured
unconsolidated (overburden) sediments or shale and siltstone bedrock. Surficial coarse-textured overburden
sediments within the Study Area are limited to local glaciolacustrine and alluvial deposits. These coarse-textured
sediments possess limited depth and areal extent, and thus are considered poor groundwater aquifers. A large
portion of the Project is underlain by fine-textured glaciolacustrine deposits consisting of silt and clay. Typically,
fine-textured glaciolacustrine deposits such as those observed within the area typically possess low hydraulic
conductivity and a limited ability to transmit groundwater, however, heterogeneities, secondary porosity,
permeability features and fractures may locally permit a low yield, and/or provide groundwater recharge-discharge
pathways.
Underlying the surficial fine-textured glaciolacustrine sediments, a confined sand and gravel aquifer exists at a
depth between approximately 20 m and 40 m below ground surface (mBGS) and typically directly overlies the shale
bedrock. This deeper aquifer unit is a highly utilized aquifer unit for domestic and livestock wells within the Study
Area and is referenced herein as the Interface Aquifer.
According to the MOECC water well database, the shale bedrock is a highly utilized aquifer unit within the Study
Area. As discussed previously in Section 2.2.1, the average depth to bedrock in the area is approximately 24 m.
MOECC water well records indicate that the average completion depth for wells drilled in bedrock is approximately
25 m, ranging between about 14 m and 46 m, indicating that the upper / weathered portion of the bedrock unit
commonly possesses a superior aquifer potential. Upon closer inspection of the MOECC water well records it is
apparent that many of the wells classified as ‘bedrock’ wells in the database are sourcing water from the overlying
sand and gravel layer (Interface Aquifer).
The following defines the local surficial sediments and subsurface units into hydrostratigraphic units:
Modern Alluvial Deposits (Clay, Silt, Sand, Gravel) – Unconfined Aquifer or Aquitard
Older Alluvial Deposits (Clay, Silt, Sand, Gravel) – Unconfined Aquifer or Aquitard
Coarse-Textured Glaciolacustrine Deposits (Sand and Gravel) – Unconfined Aquifer
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Hydrogeological Assessment and Effects Assessment
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Fine-Textured Glaciolacustrine Deposits (Silty and Clay) – Aquitard
Interface Aquifer (Sand, Gravel, Weathered Shale) – Confined Aquifer
Shale Bedrock – Confined Aquifer
2.3.1.1 Groundwater Flow
The direction and rate of groundwater flow within each of the hydrostratigraphic units described above will vary
across the Study Area based on a number of factors including, but not limited to: geological composition (including
lateral / vertical extent of formation), bedrock fracturing and interconnectivity, topography, and occurrence of local
surface recharge / discharge features.
On a regional scale, groundwater flow is interpreted to be directed in a general west to southwesterly direction
toward Lake St. Clair.
2.3.2 Groundwater Resources
Within the Municipality of Chatham-Kent, water for municipal supply is provided from four (4) surface water facilities
and two (2) groundwater facilities (Chatham-Kent, 2016). There are no municipal surface water intakes and/or
groundwater supply wells physically located within the Study Area. Municipal water supply distribution mapping
was not available at the time of report preparation. It is assumed that the majority of the properties within the Study
Area are not serviced by a municipal water supply and therefore the primary potable water source is private water
supply wells owned and operated by individual property owners.
2.3.2.1 Groundwater Use
Figure 3 depicts the approximate locations of MOECC water well records within and adjacent to the Study Area,
primary use of the wells, and highlights shallow wells that are screened at a depth of less than 10 m below ground
surface. It should be noted that location inaccuracies of recorded water well supplies exist within the MOECC
Water Well Information System from which the water well record information was obtained. Residents located
within and adjacent to the Project who attended the Public Meetings in July 2016 and January 2017 were invited to
provide confirmation of wells located within the vicinity of the Project. Figure 3 shows the approximate location of
active water supply wells, as depicted from residents within the Project vicinity who attended the first Public
Meetings and provided information. The location and number of active water supply wells depicted in Figure 3
should not be considered complete, as it cannot be assumed all residents and property owners within the Study
Area attended the Public Information meeting and/or provided their water well information. A complete listing of
MOECC water well records is provided in Appendix A. In considering the information provided herein, it should be
recognized that dug wells and sand point wells commonly are not registered in the MOECC database and may
account for a number of additional wells within and local to the Study Area that are not reflected in the following
discussion.
Review of the MOECC database has identified approximately 398 well records within the Study Area. As shown in
Table 1, available well records indicate that 38% of groundwater use in the Project Location is for domestic
purposes. Agricultural supply use (i.e., irrigation and livestock) accounts for 22% of the MOECC water well
records, followed by commercial and/or industrial (2%), and public/municipal sources (<1%). Approximately 32% of
MOECC water well records did not specify the well use and therefore are classified as ‘Unknown’. Approximately,
6% of the MOECC water well records indicate the well is not used, accounting for decommissioning records and
dry wells.
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Figure 3: Water Well Records and Permit to Take Water Records
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Table 1: Summary of MOECC Water Well Record Information
Primary Water Use Number of Well
Records
Well Depth
(m) Primary Well Type
Commercial/Industrial 7 21.3 to 37.2 1 Overburden, 6 Bedrock
Domestic 150 6.4 to 45.7 54 overburden, 94 bedrock, 2 unknown
Irrigation/Livestock 89 14.9 to 43.9 41 overburden, 48 bedrock
Public 3 21.3 to 31.4 3 bedrock
Not Used 22 16.2 to 35.4 3 overburden, 10 bedrock, 9 unknown
Unknown 127 3.4 to 46.3 22 overburden, 83 bedrock, 22 unknown
The location and depth of MOECC water well records indicates the presence of viable groundwater resources
within the Study Area. Approximately 61% of the wells within the Study Area obtain their source water from the
bedrock aquifer. In contrast, only 30% of the MOECC water well records within the Study Area were completed in
overburden sediments. As discussed in Section 2.3.1, after closer examination of the MOECC water well record
database it is determined that many of the well records classified as ‘bedrock’ wells source water from the Interface
Aquifer that directly overlies the bedrock or from the uppermost portion of bedrock characterized as highly
weathered and fractured. This provides evidence that the shale bedrock of the Kettle Point Formation is a marginal
groundwater resource locally.
2.3.2.2 Depth to Water Table
Given the relatively low number of wells within and adjacent to the Study Area that target the shallow overburden,
some difficulty was presented in characterizing the depth to the water table. Only five (5) MOECC well records
were identified which report a well depth of less than 10 m, sourcing their water from an unconfined overburden
aquifer. Static water levels within these wells are reported on the MOECC records to range between about 2.1 m
and 2.4 mBGS. Static water levels may fluctuate considerably in response changes in precipitation patterns and
seasonal fluctuations. Therefore, for the purposes of this assessment, it has been conservatively assumed that the
water table within the Study Area is positioned at a depth of approximately 0.5 mBGS.
2.3.3 Highly Vulnerable Aquifers
A highly vulnerable aquifer (HVA) is one that is susceptible to contamination due to its location near ground surface
or the type of material found in the ground around the aquifer. Aquifers that are near the ground surface and have
less of a barrier between the ground surface and water below the ground are considered to be HVA.
Within the Study Area, HVA consists of those areas where coarse textured glaciolacustrine deposits and alluvial
deposits are mapped at surface in Figure 2 (Thames-Sydenham and Region Source Water Protection, 2015).
2.3.4 Significant Groundwater Recharge Areas
Surface water received from precipitation will percolate or infiltrate into the ground until it reaches the water table.
This occurs in surficial sediments that are sufficiently permeable to permit the movement of water through its pore
spaces. Areas such as these are known as groundwater recharge areas.
Significant Groundwater Recharge Areas (SGRA) are characterized by high permeably soils at surface, such as
sand and/or gravel, which allows water to readily pass from the ground surface to an aquifer. These areas are
considered significant when they aid in maintaining the water level in an aquifer that provides water for potable
means or supplies groundwater to a cold water ecosystem.
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According to the Thames-Sydenham and Region Source Water Protection Committee, SGRA are identified as an
area that has a hydrological connection to a surface water body or aquifer that is a source for a drinking water
system. SGRA have been mapped within the central and western portions of the Study Area, where alluvial
deposits and coarse-textured glaciolacustrine deposits are mapped at or near surface. The remaining surficial soils
within the Study Area are considered fine textured and do not possess the soil characteristics necessary to allow
for significant quantities of groundwater recharge or are coarse-textured deposits that are not hydraulically
connected to a sourced aquifer.
2.3.5 Well Head Protection and Intake Protection Zones
According to the Thames-Sydenham and Region Source Water Protection Committee, there are no surface water
or groundwater takings for municipal purposes within the Study Area. The Wallaceburg Water Treatment Plant is
located more than 3.5 km south of the Project. This treatment plant takes water from St. Clair River from the
Chenal Ecarte channel and services the Town of Wallaceburg. Intake Protection Zone (IPZ) delineation mapping
provided by the Thames-Sydenham and Region Source Water Protection Committee shows that the IPZ-3 for the
Wallaceburg intake extends into the central portion of the Study Area and represents impacts that the Sydenham
River has on the intake. Well Head Protection and IPZ mapping is provided by the Thames-Sydenham and Region
interactive mapping tool and is presented in Appendix B.
Policies affecting Project activities for areas designated as IPZ-3 associated with the Wallaceburg surface water
intake include:
Fuel storage in event based areas (Policy Reference No. 2.39, MOECC Policy Reference No. 2505);
and
Transportation of fuel and nitrogen based fertilizer along roads, railways and waterways and the
transportation of liquid petroleum through pipelines (Policy Reference No. 2.53, MOECC Policy
Reference No. 1685).
2.3.6 Permit to Take Water Records
Based on a review of MOECC’s on-line database, twelve (12) active surface water Permit To Take Water (PTTW)
records have been identified within the Project Location. All PTTW records are for agricultural purposes, with the
exception of one designated as miscellaneous for wildlife conservation. Figure 3 depicts the approximate locations
of MOECC PTTW records within and adjacent to the Study Area and the primary water source (surface water or
groundwater). A complete listing of MOECC PTTW records is provided in Appendix A.
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3. Water Taking Assessment
3.1 Temporary Water Takings and Construction Considerations
As described in the Technical Guide to Renewable Energy Approvals (MOE, 2013), an important environmental
effect to consider is the potential for the Project to interfere with existing uses of a water resource. Groundwater
takings for the purposes of providing dry working conditions during turbine foundation construction, collection line
installation, road construction, dust suppression and general maintenance activities may be required during
construction of the Project. Any water taking conducted during the construction phase of the Project is subject to
the REA application and as such does not require a separate PTTW. However, a similar assessment to that which
typically would be required to obtain a PTTW or EASR registration for water takings exceeding 50,000 L/day is to
be submitted as part of the REA application.
It is anticipated that water taking will be required during the construction phase of the Project for the following purposes:
1. Support general construction water demands (e.g. dust suppression, directional drilling fluids and
concrete preparations); and
2. Groundwater dewatering and/or storm water control for the purpose of turbine foundation
construction (e.g. construction dewatering).
During the construction phase of the Project, water may be required to support general construction activities (e.g.,
dust suppression, directional drilling fluids, and concrete preparations). Water demands during construction of the
Project for these purposes are expected to have peak water demands up to 50,000 Litres per day (L/day). Actual
daily demands will vary based on day-to-day operations and will typically be lower in volume than the estimated
peak volume. The proposed source of water for general construction use is a groundwater supply well located at
either the Operations and Maintenance (O&M) building or at the Electrical Substation.
Review of existing secondary source information provided by OGS and local MOECC water well records indicates
that groundwater takings for the purpose of turbine foundation construction (e.g. construction dewatering) may
exceed 400,000 L/day, but is dependent on the design of the wind turbine foundation, surficial material being
excavated, the depth to groundwater, and other hydrogeological characteristics that may be determined during
geotechnical analysis. At the time of this report preparation wind turbine foundation design was not available. For
the purposes of this investigation, and as a conservative measure, anticipated dewatering rates and potential zone
of influence (ZOI) have been calculated for a typical spread-footing turbine foundation excavation scenario in
coarse-textured glaciolacustrine surficial sediments, which typically results in higher shallow groundwater taking
requirements due to the relatively large open excavations required compared to other foundations designs such as
pile-type foundations. Table 2 summarizes the site conditions and design parameters assumed in calculating the
anticipated dewatering rates and potential ZOI.
Table 2: Site Conditions and Design Parameters
Component Value Comments
Water Table Depth (h) 0.5 mBGS Interpreted from MOECC Water Well Records
Hydraulic Conductivity (K) 1x10-4
m/sec Adapted from Freeze and Cherry (1979)
Excavation Dimension 25.0 m L x 25.0 m W Based on typical excavation dimensions
Excavation Depth 5.0 m Based on typical excavation dimensions
Assumed Dewatering Depth (H) 6.0 m Assumed water table will be lowered 1.0 m below base of excavation.
Water Table Drawdown (H - h) 5.5 m
Otter Creek Wind Farm Limited Partnership
Hydrogeological Assessment and Effects Assessment
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Using information presented in Table 2, the dewatering radius of influence (Ro) was calculated assuming radial flow
to a well, using the following empirical relationship developed by Sichart and Kryieleis (Powers et al., 2007):
𝑅𝑜 = 3000(𝐻 − ℎ)√𝐾𝑠 (1)
Where H is the pre-construction saturated aquifer thickness and h is the dewatered aquifer saturated thickness. A
conservative value for hydraulic conductivity was estimated based on soil descriptions presented in the MOECC
water well records, and was considered for all calculations. Using the noted parameters, an Ro value of
approximately 165 m was calculated.
Equation 2 provides the equivalent radius, rs for a square excavation area of length a and width b. This is a
required input parameter into the groundwater inflow equation (3).
𝑟𝑠 = √𝑎𝑏
𝜋 (2)
Using the noted parameters, an rs value of approximately 14 m was determined.
Using the Ro and rs values determined above, along with previously defined H, h and K values, the dewatering rate
(Q), or the steady-state groundwater inflow for the saturated portion of the excavation was estimated using the
following numerical solution for unconfined aquifers (Powers et al., 2007).
𝑄 = 𝜋𝐾(𝐻2−ℎ2)
ln(𝑅𝑜𝑟𝑠
) (3)
Where: Q = groundwater inflow (m3/sec)
K = hydraulic conductivity (1.0x10-4
m/s)
H = pre-construction saturated aquifer thickness (5.6 m)
h = post construction saturated aquifer thickness (0.1 m)
Ro = radius of influence (165 m)
rs = equivalent radius (14 m)
A typical daily dewatering rate of approximately 346,000 L is calculated for each turbine excavation. It is
recommended that a 3 times Factor of Safety (Fs) be applied to this value for a maximum daily volume of
1,038,000 L for each turbine excavation. This recommendation is based on a number of factors that could cause
the daily dewatering rate required to maintain dry working conditions to be above the typical daily rate. It should be
expected that surface runoff or shallow infiltration, caused by spring freshet and/or precipitation events, will add
water to the excavation area, thus requiring dewatering.
We understand that at least one geotechnical borehole will be drilled at each turbine foundation location and that
site specific soil and groundwater information will become available at that time. Should groundwater taking from a
turbine foundation excavation be expected to exceed 1,038,000 L/day, revised groundwater dewatering rates and
potential ZOI will be provided to the MOECC for consideration.
Water removal from turbine foundation excavations due to overland flow of surface water into the excavation, the
interception of tile drains and farm drains, and direct precipitation inputs are not considered a groundwater taking.
If it is confirmed that groundwater is not present in the excavation area (i.e., observation of dry conditions prior to
precipitation event) it is recommended that water takings from the excavation be permitted at a volume necessary
to remove all surface water infiltration, overland flow and tile drain contribution within one (1) working day. The
Otter Creek Wind Farm Limited Partnership
Hydrogeological Assessment and Effects Assessment
B4_04_D&O - App C Hydrogeology (27.02.2017) 13
maximum required daily water taking for surface water infiltration, calculated as the total volume of the excavation,
is 1,562,500 L. The contractor will be responsible to record daily water taking quantities and source of water
volumes (surface runoff, tile drains, etc.).
3.2 Long Term Water Takings and Operation Considerations
During operation of the Project, there may be up to 4 full time employees present on site. Non-potable water taking
during operation will be limited to regular personnel requirements, which are expected to be approximately 4,500
Litres per day and are not expected to exceed 50,000 Litres per day. Facilities that will provide this non-potable
water may require the construction of one or more new well(s). Adverse effects on local groundwater users
(landowners) and natural ecological features are not known to occur from the operation of groundwater supply wells
at such low rates. Therefore, no adverse environmental impacts are expected to occur during operation of the
proposed groundwater supply well(s).
Otter Creek Wind Farm Limited Partnership
Hydrogeological Assessment and Effects Assessment
B4_04_D&O - App C Hydrogeology (27.02.2017) 14
4. Assessment of Impacts and Monitoring Requirements
Potential environmental impacts, mitigation measures, residual effects, and a monitoring plan associated with potential effects to groundwater are described
in Table 3.
Table 3: Mitigation Measures, Net Effects and Monitoring Plan: Geology and Groundwater
Potential Effect Performance
Objective Mitigation Strategy Net Effects Monitoring Plan and Contingency Measures
Temporary reduction in
groundwater flow to natural
features (waterbodies,
watercourses and wetlands)
during groundwater
dewatering activities
associated with turbine
foundation construction.
Minimize reduction
of groundwater
contribution to
nearby natural
features.
Direct dewatering discharge to
the downgradient watercourse
(following sediment and erosion
control practices) to negate the
potential that groundwater
drawdown will decrease
baseflow into streams and
groundwater discharge into
wetlands.
Limit duration of dewatering to as
short a time frame as possible.
Implement groundwater cut-offs,
where practical, to limit
groundwater taking quantities.
Reduction in groundwater
quantity and quality minimized
through application of mitigation
measures.
Low likelihood and negligible
magnitude of long term effects
based on the amount of
dewatering required and the
duration of expected dewatering
activities.
Should groundwater dewatering activities be expected to
exceed 50,000 L/day, the following measures will be
implemented:
Inlet pump head shall be surrounded with clear stone and
filter fabric.
The discharge shall be regulated at such a rate that there is
no flooding in the receiving water body and that no soil
erosion is caused that impacts the receiving water body.
Dewatering effluent shall be discharged more than 30 m
from a watercourse or receiving water body.
The discharge shall be treated for temperature and
suspended sediment to ensure that dewatering discharge
quality is equal to or better than water quality in the receiving
watercourse or waterbody as to not result in additional
sediment input.
Dewatering effluent discharged to a receiving waterbody
shall be free of hydrocarbons and/or other visibly detected
contaminants.
Temporary reduction in
groundwater quantity and
quality to existing
groundwater users (private
water wells) during
groundwater dewatering
activities associated with
turbine foundation
construction.
Minimize reduction
of groundwater
quantity and quality
to existing
groundwater users.
Limit duration of dewatering to
as short a time frame as
possible.
Implement groundwater cut-offs,
where practical, to limit
groundwater taking quantities.
Reduction in groundwater
quantity and quality minimized
through application of mitigation
measures.
Low likelihood and negligible
magnitude of long term effects
based on the amount of
dewatering required and the
duration of expected dewatering
activities.
Should groundwater dewatering activities exceed 50,000 L/day
and a private water well becomes dry or water quality is
impaired as a likely result of such activities based on a
qualified expert’s opinion, a temporary potable water supply
will be provided to the property owner and a qualified expert
(P.Eng or P.Geo) will establish a contingency plan to include
remedial measures to resolve any impacts to the affected well.
Otter Creek Wind Farm Limited Partnership
Hydrogeological Assessment and Effects Assessment
B4_04_D&O - App C Hydrogeology (27.02.2017) 15
Table 3: Mitigation Measures, Net Effects and Monitoring Plan: Geology and Groundwater
Potential Effect Performance
Objective Mitigation Strategy Net Effects Monitoring Plan and Contingency Measures
Contamination of
groundwater resources due
to accidental spills or
releases of contaminants
(i.e., fuel, lubricating oils and
other fluids) during the
refuelling, operation or
maintenance of Project
equipment.
Prevent contaminant
discharge to the
environment.
Develop a spill response plan
and train staff on procedures and
protocols.
Refuel Project equipment and
vehicles on spill collection pads
and/or in designated areas.
Dispose of any waste material
from construction activities by
authorized and approved off-site
vendors.
Groundwater contamination
minimized through application of
mitigation measures.
Low likelihood and limited
magnitude of effects on
groundwater.
Routine inspections performed by the contractor of construction
equipment for leaks and spills.
In the event of a contaminant spill all work will stop until the spill
is cleaned up.
Notify MOECC’s Spill Action Centre, where appropriate, of any
leaks or spills.
Reduction in groundwater
quantity from an increase in
impervious area created by
turbine foundations and
access roads resulting in
reduced infiltration to
unconfined aquifers (coarse-
textured lacustrine deposit)
Minimize the
increase in
impervious areas.
Direct runoff from the
constructed impervious surfaces
to ground surface to prevent any
decrease in infiltration and
recharge.
Minimize vehicle and
construction equipment traffic on
exposed soils to avoid
compaction and a reduction of
water infiltration.
Reduced infiltration near
groundwater recharge areas
minimized through application of
mitigation measures.
Low likelihood and limited
magnitude of effects based on
surface area of turbine
foundations and the primary land
use of surrounding area.
No monitoring or contingency measures required.
Otter Creek Wind Farm Limited Partnership
Hydrogeological Assessment and Effects Assessment
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5. Conclusions and Recommendations
This desktop hydrogeological assessment was completed for the purpose of providing a high level review of
existing hydrogeological conditions within the Project Location, describe potential groundwater taking needs of the
Project during construction and operation, outline potential effects of the Project on local groundwater resources,
and provide a mitigation strategy and contingency measures that negate these adverse effects.
Results of this desktop investigation indicate that surficial soils within the Study Area predominantly are composed
of fine-textured glaciolacustrine deposits of silt and clay with isolated occurrences of thin sand and/or sand and
gravel glaciolacustrine and alluvial deposits at surface. The granular surface materials have the potential to readily
transmit groundwater and turbine foundations excavated within these materials may require significant dewatering
during construction. A site-specific geotechnical investigation has not yet been completed to confirm soil and
groundwater conditions at each turbine foundation location. Should turbines be excavated in coarser-grained
materials (e.g., sand and/or gravel), below the water table, dewatering requirements may exceed 50,000 L/day.
At this time, the wind turbine foundation design is not confirmed. If a spread-footing foundation is used only surficial
soils within approximately 5 m of surface are expected to be impacted from construction activities. In some cases,
site specific conditions, which will be confirmed through geotechnical investigations, may determine the need for a
pile-type foundation. Should a pile foundation be necessary subsurface deposits, such as the Interface Aquifer,
may be encountered. No long-term potential effects are anticipated in the immediate vicinity of the turbines.
In conclusion, there is potential for groundwater takings to exceed 50,000 L/day at certain turbine foundation
locations. This potential will be dependent on the surficial material being excavated, the depth to groundwater
(relative to the excavation extent), and other hydrogeological characteristics that will be determined during a future
geotechnical investigation. Should groundwater dewatering rates be expected to exceed 50,000 L/day from a
turbine foundation excavation, implementation of mitigation measures to minimize the potential impact to
groundwater resources are recommended, as detailed in Table 3.
Otter Creek Wind Farm Limited Partnership
Hydrogeological Assessment and Effects Assessment
B4_04_D&O - App C Hydrogeology (27.02.2017) 17
6. References
AECOM Canada Ltd. (AECOM), 2017:
Project Description Report. Prepared for Otter Creek Wind Farm Limited Partnership. Project No.
60504082. February 2017.
Armstrong, D.K. and J.E.P. Dodge, 2007:
Paleozoic Geology of Southern Ontario, Ontario Geological Survey. Miscellaneous Release Data 219.
Chapman, L.J. and D.F. Putnam, 1984:
The Physiography of Southern Ontario; Ontario Geological Survey, Special Volume 2. 270p. Accompanied
by Map P.2715 (coloured), scale 1:600,000.
Fitzgerald, W.D. and M. Hradsky, 1980:
Quaternary Geology of the Wallaceburg – St. Clair Flats Area, Lambton & Kent Counties, Southern
Ontario: Ontario Geological Survey Preliminary Map P.2368, Quaternary Geology Series Scale 1:50 000
Geology 1979.
Geological Survey of Canada (GSC), 2015:
2010 National Building Code of Canada Seismic Hazard Calculator. Natural Resources Canada.
http://www.earthquakescanada.nrcan.gc.ca/hazard-alea/zoning-zonage/NBCC2015maps-en.php.
Accessed August 10, 2016.
Hewitt, D.F., 1966:
Paleozoic Geology of Southern Ontario, Ontario Department of Mines. Map 2117, scale 1:1,013,760.
Kelly, R.I., A.J. Cooper and C. Styles, 1993:
Drift Thickness of Wallaceburg Area, Southern Ontario; Ontario Geological Survey Preliminary Map.
P.3200, Scale 1:50,000.
Municipality of Chatham-Kent (Chatham-Kent), 2015:
“Drinking Water Quality Management Standard”, http://www.chatham-
kent.ca/WaterandWastewaterServices/Water/Pages/DrinkingWaterQualityManagementStandard.aspx.
Last updated January 29, 2015. Accessed August 9, 2016.
Ontario Geological Survey (OGS), 2010:
Surficial Geology of Southern Ontario; Ontario Geological Survey, Miscellaneous Release- Data 128-REV.
Ontario Ministry of the Environment and Climate Change (MOECC), 2015:
Map: Well Records. Updated March 13, 2015. Accessed June 14, 2016.
http://www.ontario.ca/environment-and-energy/map-well-records.
Ontario Ministry of the Environment and Climate Change (MOECC), 2013:
Technical Guide to Renewable Energy Approvals.
Ontario Oil, Gas and Salt Resource Library, 2014:
Access OGSR Library via google earth, 2014
Otter Creek Wind Farm Limited Partnership
Hydrogeological Assessment and Effects Assessment
B4_04_D&O - App C Hydrogeology (27.02.2017) 18
Powers, J.P, A.B. Corwin, P.C. Schmall, W.E. Kaeck and C.J. Herridge, 2007:
Construction Dewatering and Groundwater Control: New Methods and Applications, 3rd Ed. John Wiley
and Sons Inc.
Thames-Sydenham and Region Source Water Protection Committee, 2015:
Interactive Mapping Application, accessed on August 10, 2016.
Thames-Sydenham and Region Source Water Protection Committee, 2015:
St.Clair Region Source Protection Area - Assessment Report - Approved, September 16, 2015.
Thames-Sydenham and Region Source Water Protection Committee, 2015:
Source Protection Plan, Volume III – Policies affecting the Thames-Sydenham and Region Source
Protection Region except Oxford County – Approved, September 17, 2015.
Appendix A
Ministry of Environment and Climate Change Water Well Records and Permit to Take Water Records
Appendix A-1 MOECC Water Well Records
Well ID Bore Hole ID Water KindEasting
(NAD83)
Northing
(NAD83)Well Type
Primary Water
Use
Pumping Rate
(lpm)
Construction
DateStatic Level
Deepest Depth
(m)
Depth to Bedrock
(m)
Well Depth
(m)
3300128 10184285 FRESH 396493 4717352 Bedrock Domestic 22.73045 9/7/1965 3.6576 15.24 15.8496 18.288
3300195 10184352 FRESH 397913 4717222 Bedrock Livestock 27.27654 10/30/1963 2.1336 14.3256 14.3256 18.5928
3300196 10184353 FRESH 397888 4718002 Overburden Livestock 9.09218 7/15/1947 3.3528 15.24 15.24
3300197 10184354 FRESH 397813 4718022 Bedrock Livestock 45.4609 9/8/1962 3.048 15.24 15.5448 15.8496
3300201 10184358 FRESH 397913 4719972 Bedrock Domestic 9.09218 6/9/1967 2.4384 14.9352 14.9352 15.5448
3300202 10184359 FRESH 397913 4720022 Bedrock Livestock 22.73045 6/12/1967 2.4384 14.6304 15.24 15.5448
3300888 10185043 FRESH 395813 4717157 Bedrock Domestic 36.36872 6/28/1966 3.3528 17.3736 17.9832 18.288
3300889 10185044 FRESH 395833 4717242 Bedrock Domestic 45.4609 9/21/1967 4.572 19.812 17.6784 21.336
3300955 10185110 FRESH 392818 4717612 Bedrock Livestock 27.27654 10/31/1966 3.048 19.5072 19.812 20.1168
3300983 10185138 FRESH 387432.9 4720522 Overburden Domestic 9.09218 6/8/1965 2.1336 4.2672 6.4008
3300984 10185139 FRESH 387322.9 4719842 Bedrock Domestic 22.73045 5/20/1967 4.572 21.336 21.336 23.1648
3300993 10185148 FRESH 394456 4719580 Overburden Domestic 10/22/1947 5.4864 5.4864 21.6408
3300994 10185149 FRESH 395318 4720157 Bedrock Domestic 113.65225 6/10/1967 2.4384 17.6784 18.5928 18.8976
3301572 10185727 FRESH 379412.9 4717882 Overburden Domestic 18.18436 2/1/1949 3.6576 24.6888 24.6888
3301574 10185729 FRESH 379457.9 4717707 Bedrock Domestic 27.27654 10/12/1948 3.6576 24.384 3.048 24.384
3301575 10185730 FRESH 380771.9 4718082 Overburden Domestic 45.4609 7/10/1952 3.6576 32.3088 32.3088
3301576 10185731 FRESH 380692.9 4718082 Overburden Livestock 50.00699 2/10/1953 3.048 32.004 32.004
3301577 10185732 FRESH 381690.9 4718042 Overburden Livestock 6/11/1949 4.572 31.3944 31.3944
3301578 10185733 FRESH 382352.9 4717922 Overburden Livestock 22.73045 8/19/1948 3.6576 26.2128 26.2128
3301584 10185739 FRESH 384432.9 4717542 Bedrock Not Used 10/24/1952 34.7472 33.2232 35.3568
3301585 10185740 FRESH 384322.9 4717932 Bedrock Domestic 9.09218 3/14/1957 3.3528 36.576 36.576 39.624
3301586 10185741 384332.9 4717957 Bedrock 3/8/1957 36.576 38.7096
3301587 10185742 FRESH 385492.9 4717622 Overburden Domestic 8/14/1948 3.6576 28.3464 28.3464
3301588 10185743 FRESH 385477.9 4717662 Overburden Domestic 27.27654 9/30/1959 3.6576 25.908 25.908
3301589 10185744 FRESH 385472.9 4717862 Overburden Livestock 18.18436 7/26/1967 4.2672 33.8328 34.1376
3301590 10185745 FRESH 385612.9 4717632 Overburden Domestic 11/18/1949 4.8768 29.8704 29.8704
3301591 10185746 FRESH 385562.9 4717602 Overburden Domestic 36.36872 8/30/1952 4.2672 30.1752 30.1752
3301592 10185747 FRESH 385571.9 4717632 Overburden Domestic 36.36872 9/4/1952 4.2672 30.7848 30.7848
3301594 10185749 FRESH 385712.9 4717882 Bedrock Domestic 45.4609 8/26/1957 5.4864 31.3944 31.6992 32.004
3301595 10185750 FRESH 385572.9 4717667 Overburden Domestic 27.27654 10/28/1958 4.572 29.5656 30.1752
3301596 10185751 FRESH 385577.9 4717612 Overburden Domestic 22.73045 7/7/1962 3.6576 28.3464 28.6512
3301597 10185752 FRESH 385572.9 4717692 Overburden Domestic 22.73045 9/25/1963 5.1816 31.6992 32.004
3301598 10185753 FRESH 385587.9 4717752 Overburden Domestic 22.73045 9/22/1963 5.1816 32.9184 33.528
3301624 10185779 FRESH 389173 4717672 Overburden Domestic 3/16/1950 3.6576 21.336 21.336
3301627 10185782 FRESH 388713 4717732 Overburden Domestic 6/6/1952 4.2672 21.9456 21.9456
3301636 10185791 389173 4717647 Bedrock 3/17/1961 21.336 28.3464
3301643 10185798 389173 4717702 Bedrock 7/13/1964 20.7264 21.336
3301644 10185799 FRESH 389173 4717687 Bedrock Domestic 22.73045 7/17/1964 5.7912 20.4216 21.0312 21.336
3301657 10185812 FRESH 391003 4717212 Bedrock Domestic 22.73045 5/5/1967 4.572 21.336 21.336 23.7744
3301659 10185814 FRESH 391673 4717562 Bedrock Livestock 18.18436 5/12/1965 3.6576 21.6408 21.9456 23.4696
3301662 10185817 FRESH 393273 4717312 Bedrock Domestic 22.73045 5/11/1963 2.4384 19.2024 20.1168 20.7264
3301663 10185818 FRESH 393473 4718212 Overburden Domestic 6/19/1950 4.2672 21.336 21.336
3301664 10185819 FRESH 393513 4717502 Overburden Domestic 10/31/1947 3.9624 21.9456 21.9456
3301668 10185823 393773 4717082 Bedrock 8/27/1960 18.8976 27.432
3301669 10185824 393773 4717102 Bedrock 8/30/1960 19.2024 27.432
3301670 10185825 SALTY 393743 4717122 Bedrock Not Used 13.63827 9/2/1960 4.2672 23.7744 18.8976 23.7744
3301672 10185827 SALTY 393741 4717102 Bedrock Not Used 9.09218 9/8/1960 7.9248 22.86 18.8976 24.384
3301676 10185831 FRESH 394633 4717402 Overburden Domestic 11/16/1949 3.6576 19.812 19.812
3301680 10185835 FRESH 394453 4717247 Bedrock Domestic 31.82263 11/18/1964 2.4384 17.3736 18.288 19.2024
3301685 10185840 FRESH 394313 4717197 Overburden Livestock 90.9218 3/23/1959 5.4864 21.0312 21.0312
Appendix A_MOECC_Wells-PTTW_OtterCreek-Master_Well_Report Page 1 of 9
Appendix A-1 MOECC Water Well Records
Well ID Bore Hole ID Water KindEasting
(NAD83)
Northing
(NAD83)Well Type
Primary Water
Use
Pumping Rate
(lpm)
Construction
DateStatic Level
Deepest Depth
(m)
Depth to Bedrock
(m)
Well Depth
(m)
3301698 10185853 FRESH 395833 4717127 Bedrock Domestic 9.09218 3/27/1962 3.6576 17.0688 17.6784 18.288
3301701 10185856 FRESH 395863 4716962 Bedrock Domestic 45.4609 9/10/1962 2.4384 15.24 15.8496 16.764
3301704 10185859 FRESH 395803 4717367 Bedrock Public 27.27654 5/3/1967 3.3528 17.0688 17.0688 21.336
3301710 10185865 397453 4717342 Bedrock 10/15/1959 15.8496 16.1544
3301711 10185866 397453 4717332 Bedrock 10/16/1959 15.8496 18.288
3301712 10185867 397453 4717297 Bedrock 10/17/1959 15.8496 16.1544
3301713 10185868 397433 4717292 Bedrock 10/19/1959 15.8496 16.1544
3301714 10185869 397398 4717222 Bedrock 10/21/1959 15.8496 16.764
3301715 10185870 FRESH 397153 4717262 Bedrock Not Used 18.18436 11/16/1959 3.048 15.5448 15.8496 16.1544
3301716 10185871 FRESH 397488 4717222 Bedrock Not Used 13.63827 11/1/1960 3.048 15.8496 15.8496 16.1544
3301717 10185872 FRESH 397353 4717357 Bedrock Livestock 11/3/1960 3.048 14.9352 14.9352 15.24
3301718 10185873 397358 4717322 Bedrock 10/27/1962 15.5448 19.812
3301719 10185874 397353 4717382 Bedrock 10/29/1962 15.5448 16.764
3301720 10185875 397173 4717122 Bedrock 12/1/1962 15.5448 21.9456
3301721 10185876 FRESH 379092.9 4719242 Overburden Domestic 6/22/1949 5.1816 38.4048 38.4048
3301722 10185877 FRESH 379432.9 4718207 Overburden Commerical 6/2/1950 4.2672 37.1856 37.1856
3301723 10185878 FRESH 397153 4717247 Bedrock Not Used 13.63827 10/22/1959 3.048 15.5448 15.8496 16.4592
3301724 10185879 FRESH 397193 4717262 Bedrock Livestock 9.09218 12/5/1962 3.048 14.9352 15.5448 19.2024
3301725 10185880 FRESH 379342.9 4718682 Overburden Domestic 10/31/1950 4.2672 36.8808 36.8808
3301727 10185882 FRESH 379432.9 4718502 Overburden Domestic 6/23/1954 3.6576 37.1856 37.4904
3301729 10185884 FRESH 379227.9 4718242 Overburden Domestic 9.09218 4/28/1955 4.2672 38.1 38.1
3301730 10185885 FRESH 379412.9 4718382 Bedrock Domestic 31.82263 9/18/1967 3.9624 38.7096 38.4048 39.0144
3301731 10185886 FRESH 379592.9 4718212 Overburden Domestic 22.73045 8/3/1954 5.1816 37.7952 38.1
3301732 10185887 FRESH 379592.9 4719167 Overburden Livestock 18.18436 3/20/1959 6.096 37.7952 37.7952
3301733 10185888 FRESH 380132.9 4719432 Overburden Livestock 50.00699 3/13/1953 4.2672 32.3088 32.3088
3301734 10185889 FRESH 381032.9 4719442 Overburden Livestock 11/12/1949 3.6576 35.052 35.052
3301735 10185890 FRESH 381947.9 4717967 Overburden Livestock 31.82263 3/27/1961 2.1336 31.3944 32.3088
3301736 10185891 FRESH 380802.9 4718162 Overburden Livestock 31.82263 4/19/1954 5.1816 35.3568 35.3568
3301737 10185892 FRESH 381692.9 4718207 Bedrock Livestock 13.63827 9/27/1963 4.2672 33.2232 31.6992 33.2232
3301738 10185893 FRESH 382892.9 4719342 Overburden Domestic 31.82263 3/3/1956 2.4384 31.6992 32.004
3301739 10185894 383372.9 4718042 Overburden 7/7/1954 32.3088
3301740 10185895 FRESH 385292.9 4717952 Bedrock Domestic 27.27654 4/16/1958 3.6576 33.8328 34.1376 34.4424
3301741 10185896 FRESH 385232.9 4717982 Overburden Domestic 13.63827 10/20/1954 1.8288 34.7472 35.052
3301742 10185897 FRESH 385232.9 4717992 Overburden Livestock 13.63827 10/25/1954 1.8288 34.7472 35.052
3301743 10185898 385292.9 4717977 Bedrock 4/10/1958 34.7472 35.052
3301744 10185899 385972.9 4718387 Bedrock 10/31/1956 36.576 46.3296
3301745 10185900 FRESH 385912.9 4719262 Overburden Domestic 3/28/1949 5.4864 32.6136 32.6136
3301746 10185901 FRESH 385952.9 4718102 Bedrock Domestic 9.09218 5/27/1954 5.4864 41.7576 36.576 41.7576
3301748 10185903 FRESH 386362.9 4718927 Bedrock Livestock 13.63827 11/25/1954 3.3528 30.48 31.3944 32.9184
3301751 10185906 FRESH 388618 4717827 Overburden Domestic 18.18436 6/9/1952 3.6576 22.2504 22.2504
3301752 10185907 FRESH 388618 4717882 Bedrock Livestock 13.63827 1/19/1950 1.8288 25.6032 25.2984 28.956
3301753 10185908 388752.9 4719122 Bedrock 10/3/1962 25.908 32.004
3301754 10185909 388752.9 4719039 Bedrock 10/6/1962 25.908 32.004
3301755 10185910 388659.8 4719009 Bedrock 4/22/1963 25.908 45.1104
3301756 10185911 388952.9 4719012 Bedrock 6/3/1963 25.2984 25.908
3301757 10185912 389012.9 4719102 Bedrock 11/2/1963 25.6032 27.432
3301758 10185913 FRESH 389012.9 4719122 Bedrock Domestic 22.73045 11/26/1963 2.4384 24.9936 25.2984 25.908
3301759 10185914 FRESH 389993 4717772 Overburden Livestock 18.18436 5/22/1954 3.6576 21.6408
3301760 10185915 FRESH 389993 4717822 Bedrock Domestic 22.73045 5/21/1963 3.6576 21.336 21.9456 22.5552
3301761 10185916 FRESH 390253 4717841 Bedrock Domestic 22.73045 8/12/1965 3.6576 21.6408 22.2504 22.86
Appendix A_MOECC_Wells-PTTW_OtterCreek-Master_Well_Report Page 2 of 9
Appendix A-1 MOECC Water Well Records
Well ID Bore Hole ID Water KindEasting
(NAD83)
Northing
(NAD83)Well Type
Primary Water
Use
Pumping Rate
(lpm)
Construction
DateStatic Level
Deepest Depth
(m)
Depth to Bedrock
(m)
Well Depth
(m)
3301762 10185917 FRESH 391308 4717712 Overburden Not Used 45.4609 9/20/1955 3.9624 20.4216 20.4216
3301763 10185918 FRESH 391313 4717692 Bedrock Domestic 45.4609 11/26/1955 3.9624 19.812 19.2024 19.812
3301764 10185919 FRESH 391311 4717682 Bedrock Domestic 45.4609 10/15/1955 3.6576 20.7264 19.812 20.7264
3301765 10185920 FRESH 391028 4717692 Bedrock Domestic 36.36872 4/16/1966 3.9624 20.7264 20.1168 22.86
3301766 10185921 FRESH 391463 4717762 Bedrock Domestic 22.73045 11/2/1965 2.4384 19.812 19.812 20.4216
3301767 10185922 FRESH 391093 4717737 Bedrock Domestic 45.4609 4/18/1967 3.3528 19.2024 19.812 20.7264
3301768 10185923 392693 4717617 Bedrock 8/14/1964 21.9456 22.86
3301769 10185924 FRESH 392713 4717652 Bedrock Livestock 22.73045 8/16/1964 4.572 21.9456 21.9456 22.86
3301770 10185925 FRESH 392843 4717632 Bedrock Domestic 11/15/1946 3.6576 21.336 23.1648
3301771 10185926 FRESH 392673 4717642 Bedrock Livestock 18.18436 6/24/1965 3.6576 21.0312 21.6408 22.5552
3301772 10185927 392633 4717732 Bedrock 10/27/1966 19.812 30.48
3301773 10185928 FRESH 392913 4717662 Overburden Livestock 22.73045 3/12/1952 3.6576 21.336 21.336
3301774 10185929 FRESH 393413 4717622 Bedrock Domestic 22.73045 3/15/1965 5.4864 20.1168 20.7264 21.9456
3301775 10185930 FRESH 392893 4717932 Bedrock Livestock 22.73045 5/22/1959 3.048 20.4216 20.4216 22.2504
3301776 10185931 FRESH 393648 4717607 Bedrock Domestic 18.18436 11/20/1963 4.572 20.7264 20.1168 22.5552
3301777 10185932 FRESH 393513 4717582 Bedrock Livestock 31.82263 12/5/1961 4.8768 20.1168 20.1168 24.9936
3301778 10185933 FRESH 394193 4717597 Bedrock Livestock 54.55308 7/2/1966 3.6576 19.812 20.4216 20.7264
3301779 10185934 394768 4717522 Bedrock 4/8/1963 19.2024 24.384
3301780 10185935 FRESH 394733 4717522 Bedrock Public 13.63827 4/11/1963 3.6576 20.7264 19.2024 26.5176
3301781 10185936 FRESH 394718 4717577 Bedrock Not Used 4.54609 4/10/1963 3.9624 19.2024 19.2024 23.4696
3301782 10185937 FRESH 395893 4717982 Overburden Livestock 22.73045 3/15/1949 3.3528 16.4592 16.4592
3301783 10185938 396508 4717462 Overburden 10/7/1949 16.764
3301784 10185939 FRESH 396478 4717462 Overburden Domestic 10/8/1949 2.4384 17.0688 17.0688
3301785 10185940 FRESH 396813 4717547 Overburden Livestock 22.73045 3/7/1949 3.6576 14.9352 14.9352
3301786 10185941 395973 4717492 Overburden 12/27/1948 15.24
3301787 10185942 397333 4717442 Bedrock 5/8/1966 15.8496 17.0688
3301788 10185943 FRESH 397293 4717440 Bedrock Domestic 13.63827 5/8/1966 2.7432 15.8496 15.8496 16.764
3301789 10185944 397373 4717442 Bedrock 5/5/1966 15.8496 16.764
3301800 10185955 FRESH 379642.9 4721102 Overburden Domestic 8/18/1950 6.7056 41.4528 41.4528
3301801 10185956 FRESH 379602.9 4720782 Overburden Livestock 13.63827 11/20/1952 3.6576 40.5384 40.5384
3301802 10185957 FRESH 380712.9 4720822 Overburden Domestic 9.09218 1/30/1953 3.048 43.2816 43.2816
3301803 10185958 FRESH 379572.9 4719732 Overburden Livestock 13.63827 5/19/1961 7.9248 40.2336 40.2336
3301804 10185959 379572.9 4719607 Overburden 5/4/1961 45.4152
3301805 10185960 FRESH 380642.9 4719957 Bedrock Industrial 27.27654 9/30/1963 3.9624 33.8328 33.8328 36.576
3301806 10185961 FRESH 381702.9 4720692 Overburden Livestock 22.73045 8/23/1956 4.2672 37.7952 37.7952
3301807 10185962 FRESH 381792.9 4720727 Overburden Livestock 18.18436 10/7/1966 6.096 36.8808 36.8808
3301808 10185963 FRESH 382572.9 4720712 Overburden Livestock 5/25/1950 4.8768 34.1376 34.1376
3301809 10185964 FRESH 382572.9 4720662 Overburden Domestic 13.63827 10/29/1954 3.048 34.1376 34.1376
3301810 10185965 383482.9 4720672 Bedrock 3/16/1955 34.1376 37.4904
3301811 10185966 383482.9 4720642 Bedrock 3/19/1955 33.528 37.4904
3301812 10185967 FRESH 383482.9 4720717 Bedrock Domestic 4.54609 4/2/1955 3.6576 34.1376 33.528 35.3568
3301813 10185968 FRESH 383529.9 4720542 Overburden Livestock 36.36872 8/30/1956 3.6576 31.0896 31.0896
3301814 10185969 FRESH 383512.9 4720582 Overburden Livestock 18.18436 5/7/1963 4.2672 30.48 30.7848
3301815 10185970 FRESH 383352.9 4719422 Overburden Livestock 31.82263 8/31/1957 3.048 29.5656 29.8704
3301816 10185971 FRESH 384592.9 4719362 Overburden Domestic 11/16/1948 3.9624 24.9936 24.9936
3301817 10185972 FRESH 385572.9 4720022 Overburden Domestic 6/5/1950 3.048 23.7744 23.7744
3301818 10185973 FRESH 385597.9 4719902 Overburden Domestic 31.82263 5/4/1960 5.1816 24.6888 25.2984
3301819 10185974 FRESH 385102.9 4719362 Bedrock Domestic 18.18436 5/7/1965 2.4384 23.7744 24.384 25.2984
3301820 10185975 FRESH 385592.9 4720632 Bedrock Domestic 45.4609 8/28/1963 3.6576 23.7744 23.7744 24.9936
3301821 10185976 FRESH 386112.9 4719417 Overburden Domestic 36.36872 7/18/1952 3.048 23.1648 23.1648
Appendix A_MOECC_Wells-PTTW_OtterCreek-Master_Well_Report Page 3 of 9
Appendix A-1 MOECC Water Well Records
Well ID Bore Hole ID Water KindEasting
(NAD83)
Northing
(NAD83)Well Type
Primary Water
Use
Pumping Rate
(lpm)
Construction
DateStatic Level
Deepest Depth
(m)
Depth to Bedrock
(m)
Well Depth
(m)
3301822 10185977 FRESH 386147.9 4719452 Overburden Domestic 22.73045 8/2/1957 3.6576 23.7744 24.384
3301823 10185978 FRESH 386242.9 4719522 Overburden Domestic 22.73045 10/5/1961 3.6576 22.86 22.86
3301824 10185979 FRESH 387032.9 4719592 Overburden Domestic 18.18436 11/2/1948 3.6576 25.2984 25.2984
3301825 10185980 387432.9 4720052 Overburden 11/2/1948 25.6032
3301826 10185981 FRESH 386992.9 4719512 Overburden Domestic 36.36872 11/12/1954 3.6576 24.384 24.384
3301827 10185982 387482.9 4720542 Bedrock 9/4/1963 21.9456 25.908
3301828 10185983 387432.9 4720762 Bedrock 9/6/1963 26.2128 30.48
3301829 10185984 FRESH 387352.9 4719842 Overburden Domestic 27.27654 4/24/1964 4.572 21.9456 21.9456
3301830 10185985 FRESH 387562.9 4720222 Overburden Livestock 13.63827 9/8/1967 5.1816 18.5928 18.5928
3301831 10185986 SALTY 388612.9 4719192 Overburden Not Used 11/18/1948 31.0896 31.0896
3301832 10185987 388612.9 4720102 Bedrock 5/26/1949 24.384 37.4904
3301833 10185988 388572.9 4719557 Bedrock 11/30/1949 23.7744 24.6888
3301834 10185989 388632.9 4719582 Bedrock 12/6/1949 23.7744 25.908
3301835 10185990 FRESH 388052.9 4720502 Overburden Livestock 18.18436 12/15/1949 3.6576 20.4216 20.7264
3301836 10185991 FRESH 388402.9 4720122 Bedrock Domestic 36.36872 2/15/1958 2.7432 19.5072 19.812 20.7264
3301837 10185992 FRESH 388412.9 4720392 Bedrock Livestock 9.09218 5/17/1960 4.8768 21.336 21.336 24.6888
3301838 10185993 388332.9 4719282 Bedrock 9/5/1962 30.48 36.576
3301839 10185994 FRESH 388612.9 4719502 Bedrock Livestock 4.54609 3/26/1962 6.4008 21.0312 21.0312 25.6032
3301840 10185995 SALTY 388352.9 4719212 Bedrock Domestic 9.09218 9/7/1962 5.4864 31.3944 30.48 32.9184
3301841 10185996 389697.9 4720422 Bedrock 10/23/1951 17.6784 19.2024
3301842 10185997 389692.9 4720412 Bedrock 10/25/1951 17.6784 19.5072
3301843 10185998 FRESH 389372.9 4720472 Bedrock Livestock 9.09218 11/2/1951 2.4384 19.2024 17.6784 19.812
3301844 10185999 388362.9 4720462 Bedrock 11/13/1956 17.6784 30.48
3301845 10186000 FRESH 389332.9 4720582 Bedrock Livestock 22.73045 11/19/1956 4.572 17.3736 17.3736 20.4216
3301846 10186001 389312.9 4720477 Bedrock 7/20/1961 17.0688 21.9456
3301847 10186002 FRESH 389312.9 4720402 Bedrock Not Used 7/17/1961 3.6576 19.812 17.3736 28.6512
3301848 10186003 FRESH 389317.9 4720472 Bedrock Livestock 4.54609 7/24/1961 4.2672 17.0688 17.0688 18.288
3301849 10186004 FRESH 392613 4719037 Bedrock Livestock 22.73045 7/10/1965 5.1816 21.9456 21.9456 22.5552
3301850 10186005 FRESH 393813 4718942 Overburden Livestock 45.4609 7/20/1953 2.4384 17.3736 17.3736
3301851 10186006 393613 4720142 Bedrock 4/6/1954 21.6408 30.48
3301852 10186007 393623 4720022 Bedrock 4/12/1954 21.336 21.6408
3301853 10186008 FRESH 393653 4719502 Bedrock Domestic 22.73045 8/27/1960 3.9624 20.4216 20.7264 21.0312
3301854 10186009 FRESH 393643 4719597 Bedrock Domestic 36.36872 9/1/1956 4.8768 19.812 19.5072 19.812
3301855 10186010 FRESH 393588 4719592 Bedrock Livestock 31.82263 11/2/1960 2.1336 18.5928 19.2024 19.5072
3301856 10186011 FRESH 394333 4718982 Bedrock Livestock 68.19135 6/21/1965 1.524 17.3736 17.9832 18.288
3301857 10186012 394843 4720202 Bedrock 5/1/1948 22.86 28.956
3301858 10186013 FRESH 394833 4720242 Overburden Domestic 5/4/1948 3.6576 22.2504 22.5552
3301859 10186014 FRESH 397563 4720122 Bedrock Livestock 27.27654 6/23/1950 3.6576 19.5072 18.8976 20.1168
3301860 10186015 FRESH 395773 4720062 Bedrock Livestock 9.09218 10/9/1963 3.6576 19.5072 18.5928 19.812
3301861 10186016 FRESH 395773 4720112 Bedrock Livestock 22.73045 10/1/1964 2.4384 17.0688 17.3736 17.6784
3301862 10186017 FRESH 396213 4720102 Bedrock Livestock 13.63827 4/25/1956 2.4384 16.764 17.3736 17.6784
3304661 10188816 388292.9 4719152 Overburden 9/16/1968 10.668
3304833 10188988 FRESH 392893 4717622 Bedrock Domestic 68.19135 3/21/1969 3.048 20.4216 21.6408 22.2504
3304834 10188989 FRESH 393163 4718982 Bedrock Domestic 68.19135 4/7/1969 2.4384 19.812 20.1168 21.336
3304852 10189006 FRESH 380102.9 4718202 Overburden Not Used 22.73045 5/26/1969 3.3528 32.3088 32.6136
3304904 10189057 FRESH 379222.9 4718242 Overburden Domestic 22.73045 8/20/1969 4.2672 37.1856 37.4904
3304949 10189102 FRESH 380102.9 4718212 Overburden Domestic 18.18436 10/9/1969 3.3528 31.3944 31.6992
3305035 10189187 FRESH 391103 4717762 Bedrock Domestic 40.91481 4/4/1970 4.2672 20.1168 21.0312 21.336
3305056 10189207 388612.9 4719547 Overburden 12/1/1949 23.7744
3305057 10189208 388632.9 4719547 Bedrock 12/3/1949 25.908 30.1752
Appendix A_MOECC_Wells-PTTW_OtterCreek-Master_Well_Report Page 4 of 9
Appendix A-1 MOECC Water Well Records
Well ID Bore Hole ID Water KindEasting
(NAD83)
Northing
(NAD83)Well Type
Primary Water
Use
Pumping Rate
(lpm)
Construction
DateStatic Level
Deepest Depth
(m)
Depth to Bedrock
(m)
Well Depth
(m)
3305058 10189209 388622.9 4719602 Bedrock 12/7/1949 23.7744 25.908
3305059 10189210 388592.9 4719617 Bedrock 12/9/1949 23.7744 25.6032
3305060 10189211 388602.9 4719642 Bedrock 12/12/1949 23.7744 25.2984
3305061 10189212 397513 4720097 Overburden 6/23/1950 23.7744
3305062 10189213 397513 4720102 Bedrock 6/23/1950 18.288 18.5928
3305077 10189228 FRESH 381802.9 4720762 Overburden Livestock 13.63827 6/1/1970 6.4008 36.8808 36.8808
3305092 10189243 FRESH 379432.9 4718442 Bedrock Domestic 9.09218 5/16/1970 4.8768 39.624 37.7952 42.672
3305128 10189279 FRESH 388653 4717382 Bedrock Domestic 68.19135 5/28/1970 3.6576 22.86 22.86 23.1648
3305260 10189410 FRESH 390843 4717832 Bedrock Livestock 13.63827 3/18/1971 4.572 21.336 21.336 23.4696
3305261 10189411 FRESH 381032.9 4719432 Bedrock Domestic 13.63827 3/24/1971 4.2672 35.052 35.052 39.624
3305324 10189466 FRESH 379602.9 4720752 Overburden Livestock 18.18436 7/20/1971 4.8768 40.5384 40.8432
3305332 10189474 FRESH 383092.9 4720712 Overburden Livestock 13.63827 6/24/1971 6.4008 33.528 33.528
3305333 10189475 FRESH 385473 4717432 Overburden Livestock 18.18436 7/8/1971 4.2672 28.3464 28.6512
3305456 10189598 FRESH 379444.7 4718202 Bedrock Domestic 0 11/3/1971 4.8768 39.624 37.1856 42.0624
3305458 10189600 FRESH 394873 4719890 Bedrock Livestock 36.36872 11/16/1971 6.7056 20.7264 19.812 22.5552
3305508 10189649 393483 4717602 Bedrock 4/26/1972 21.336 37.4904
3305510 10189651 FRESH 389053 4717802 Bedrock Livestock 36.36872 4/13/1972 4.572 22.86 22.2504 24.9936
3305519 10189660 FRESH 393473 4717692 Bedrock Domestic 9.09218 4/27/1972 5.1816 21.9456 21.9456 23.7744
3305555 10189696 FRESH 388732.9 4720502 Bedrock Domestic 113.65225 9/1/1972 2.7432 17.3736 17.3736 17.6784
3305581 10189722 FRESH 380282.9 4718212 Bedrock Domestic 22.73045 8/5/1972 3.9624 32.6136 32.6136 34.1376
3305614 10189755 FRESH 384312.9 4717922 Overburden 5/6/1972 36.576 36.576
3305615 10189756 Not stated 384332.9 4717922 Bedrock 5/2/1972 8.5344 36.2712 36.576 42.672
3305616 10189757 Not stated 384342.9 4717952 Bedrock Domestic 9.09218 5/10/1972 8.5344 36.576 37.1856 38.1
3305666 10189807 393913 4717042 Bedrock 12/5/1972 20.4216 21.336
3305667 10189808 FRESH 379132.9 4718252 Overburden Domestic 18.18436 9/26/1972 3.6576 37.1856 37.4904
3305716 10189857 FRESH 379572.9 4720217 Bedrock Domestic 13.63827 1/20/1973 5.4864 42.3672 42.0624 43.5864
3305762 10189903 FRESH 386432.9 4719272 Bedrock Public 13.63827 5/14/1973 3.6576 24.384 24.384 31.3944
3305763 10189904 FRESH 388632.9 4719842 Bedrock Domestic 27.27654 6/9/1973 2.7432 25.2984 22.2504 28.6512
3305766 10189907 FRESH 387080.9 4720255 Bedrock Livestock 0 7/19/1973 2.7432 18.8976 19.2024 19.5072
3305788 10189929 394873 4719862 Bedrock 9/12/1973 18.8976 24.384
3305789 10189930 394833 4719822 Bedrock 9/17/1973 23.1648 28.0416
3305790 10189931 394713 4719902 Bedrock 9/25/1973 21.0312 24.384
3305850 10189991 FRESH 394841 4719912 Bedrock Livestock 90.9218 11/22/1973 4.572 19.5072 21.336 21.6408
3305929 10190070 FRESH 389965 4717842 Bedrock Livestock 22.73045 4/9/1974 3.6576 21.336 22.2504 22.86
3305930 10190071 391666 4719788 Overburden 4/1/1974 21.9456
3305931 10190072 391723 4719798 Overburden 4/5/1974 24.384
3305959 10190100 391697 4719795 Bedrock 6/10/1974 21.336 22.86
3305960 10190101 391668 4719768 Bedrock 6/13/1974 22.86 24.384
3305961 10190102 FRESH 390006 4717766 Bedrock Livestock 90.9218 5/31/1974 3.6576 21.0312 21.6408 22.2504
3305965 10190106 FRESH 391726 4719173 Bedrock Livestock 90.9218 7/18/1974 3.6576 19.812 20.1168
3305966 10190107 FRESH 391742 4720179 Overburden Livestock 68.19135 7/16/1974 6.096 21.336 23.1648
3305967 10190108 391414 4720024 Overburden 7/8/1974 20.7264
3305968 10190109 391736 4720024 Overburden 7/4/1974 27.432
3306013 10190154 FRESH 385605.9 4720297 Bedrock Domestic 90.9218 8/16/1974 3.9624 24.0792 24.384 24.6888
3306014 10190155 FRESH 379437.9 4718239 Bedrock Domestic 22.73045 8/12/1974 4.2672 37.1856 37.1856 38.1
3306028 10190169 FRESH 395123 4717463 Bedrock Livestock 27.27654 9/25/1974 4.572 17.9832 18.5928 19.2024
3306029 10190170 FRESH 385613.9 4720397 Bedrock Domestic 68.19135 8/28/1974 4.8768 24.384 25.2984 25.908
3306096 10190236 FRESH 386846.9 4719557 Bedrock Domestic 22.73045 11/16/1974 5.4864 22.86 22.5552 23.4696
3306139 10190279 FRESH 394494 4720191 Bedrock Domestic 45.4609 4/1/1975 3.048 19.812 20.7264 21.336
3306140 10190280 395059 4720211 Bedrock 3/14/1975 21.336 22.86
Appendix A_MOECC_Wells-PTTW_OtterCreek-Master_Well_Report Page 5 of 9
Appendix A-1 MOECC Water Well Records
Well ID Bore Hole ID Water KindEasting
(NAD83)
Northing
(NAD83)Well Type
Primary Water
Use
Pumping Rate
(lpm)
Construction
DateStatic Level
Deepest Depth
(m)
Depth to Bedrock
(m)
Well Depth
(m)
3306141 10190281 394898 4719932 Bedrock 3/10/1975 21.336 22.5552
3306192 10190332 FRESH 379412.9 4718172 Bedrock Domestic 22.73045 6/30/1975 7.3152 35.9664 37.4904 38.1
3306226 10190366 FRESH 380597.9 4719539 Bedrock Domestic 27.27654 7/29/1975 4.572 37.4904 37.4904 40.8432
3306248 10190388 390710 4719081 Bedrock 8/27/1975 24.0792 24.6888
3306249 10190389 FRESH 390778 4719117 Bedrock Livestock 54.55308 8/30/1975 7.9248 21.0312 21.6408 22.2504
3306250 10190390 390712 4719146 Bedrock 8/20/1975 23.7744 24.9936
3306326 10190464 FRESH 381592.9 4719562 Bedrock Domestic 13.63827 12/3/1975 3.6576 32.6136 32.6136 33.528
3306388 10190522 392273 4717562 Bedrock 6/6/1976 21.336 23.1648
3306389 10190523 FRESH 392253 4717602 Bedrock Domestic 68.19135 6/12/1976 3.6576 20.4216 21.0312 21.336
3306448 10190582 FRESH 391493 4717602 Bedrock Industrial 36.36872 9/3/1976 3.3528 20.7264 21.336 22.2504
3306455 10190589 FRESH 381032.9 4720782 Bedrock Livestock 9.09218 8/28/1976 7.62 37.7952 38.7096 39.624
3306471 10190605 FRESH 380632.9 4720762 Bedrock Domestic 22.73045 6/15/1976 4.572 39.3192 39.0144 44.196
3306499 10190631 FRESH 387092.9 4720362 Overburden Livestock 11/24/1976 0.9144 17.6784 17.6784
3306644 10190772 FRESH 379512.9 4718082 Bedrock Domestic 4.54609 8/18/1977 4.572 39.624 37.4904 43.2816
3306660 10190788 FRESH 379492.9 4720802 Bedrock Domestic 4.54609 10/24/1977 4.572 41.7576 41.7576 44.8056
3306741 10190869 FRESH 393153 4718602 Bedrock Livestock 27.27654 5/4/1978 4.2672 19.2024 19.5072 20.4216
3306769 10190897 SALTY 379512.9 4718242 Bedrock 5/19/1978 42.672 37.1856 42.672
3306770 10190898 FRESH 379512.9 4718242 Bedrock 5/31/1978 37.1856 37.1856 42.672
3306853 10190981 389772.9 4720442 Bedrock 7/13/1978 18.288 24.384
3306854 10190982 FRESH 389772.9 4720402 Bedrock Domestic 22.73045 7/20/1978 3.048 18.8976 18.8976 21.336
3307064 10191191 FRESH 388653 4717482 Bedrock Commerical 5/31/1979 1.8288 21.9456 3.3528 21.9456
3307140 10191263 FRESH 387092.9 4720342 Overburden Livestock 9/18/1979 1.8288 18.288 18.288
3307142 10191265 FRESH 390881.8 4719161 Bedrock Livestock 22.73045 10/22/1979 9.7536 21.336 22.86 22.86
3307143 10191266 390770.8 4719259 Bedrock Livestock 10/12/1979 21.6408 22.86
3307166 10191289 FRESH 398053 4717582 Bedrock Livestock 45.4609 11/5/1979 3.6576 14.9352 15.5448 16.1544
3307202 10191324 FRESH 397913 4718782 Overburden Domestic 9.09218 5/30/1979 3.048 14.3256 15.8496
3307208 10191330 FRESH 397913 4718422 Bedrock Domestic 9.09218 9/23/1979 2.1336 13.4112 13.4112 14.6304
3307318 10191440 FRESH 385692.9 4720222 Bedrock Domestic 45.4609 9/13/1980 3.9624 24.9936 24.9936 27.432
3307324 10191446 FRESH 386432.9 4719682 Bedrock Domestic 18.18436 7/24/1980 4.572 22.86 22.86 25.908
3307414 10191534 FRESH 391453 4717622 Bedrock Commerical 31.82263 10/30/1980 5.1816 20.7264 21.0312 21.336
3307416 10191536 FRESH 391493 4717622 Bedrock 45.4609 7/1/1980 4.8768 20.7264 21.336 21.6408
3307491 10191610 FRESH 389712.9 4719142 Bedrock Domestic 45.4609 8/6/1981 4.2672 22.86 22.86 24.384
3307499 10191618 FRESH 387412.9 4720562 Overburden Domestic 4.54609 9/15/1981 2.4384 3.048 7.0104
3307647 10191765 391813 4720342 Bedrock 10/4/1982 25.908 26.2128
3307648 10191766 391850.8 4720339 Bedrock 10/11/1982 24.9936 28.6512
3307649 10191767 FRESH 391793 4720082 Bedrock Domestic 22.73045 10/15/1982 7.62 24.384 24.384 26.2128
3307681 10191799 FRESH 379372.9 4718482 Bedrock Domestic 22.73045 10/22/1983 4.8768 36.8808 36.8808 39.0144
3307732 10191849 FRESH 385812.9 4719342 Bedrock 13.63827 8/20/1983 4.2672 23.7744 24.0792 24.9936
3307738 10191855 385832.9 4719322 Bedrock 8/22/1983 23.7744 24.9936
3307739 10191856 FRESH 385852.9 4719342 Bedrock 18.18436 9/6/1983 4.2672 22.86 23.4696 24.384
3307863 10191976 FRESH 390799.5 4719743 Overburden Domestic 81.82962 8/16/1984 21.336 21.6408
3308005 10192029 FRESH 380432.9 4718202 Bedrock Domestic 90.9218 3/22/1986 3.048 33.2232 32.3088 33.2232
3308058 10192082 387142.9 4720562 Bedrock 9/6/1986 22.5552 24.384
3308059 10192083 387157.9 4720522 Bedrock 9/8/1986 22.5552 22.86
3308060 10192084 FRESH 387177.9 4720542 Bedrock Domestic 18.18436 9/11/1986 6.096 21.9456 22.5552 23.1648
3308135 10192159 FRESH 379783.9 4718860 Bedrock Commerical 13.63827 2/23/1987 7.3152 20.7264 20.7264 24.384
3308163 10192187 GAS 387022.9 4720292 Bedrock Domestic 22.73045 10/2/1987 3.9624 18.5928 18.5928 19.5072
3308172 10192196 SULPHUR 380612.9 4718162 Bedrock 9.09218 7/27/1987 32.9184 32.9184 33.8328
3308173 10192197 SULPHUR 380612.9 4718202 Bedrock Domestic 36.36872 7/31/1987 2.4384 32.6136 32.6136 33.528
3308174 10192198 FRESH 380232.9 4719472 Bedrock Domestic 9.09218 7/10/1987 4.572 38.1 38.1 42.9768
Appendix A_MOECC_Wells-PTTW_OtterCreek-Master_Well_Report Page 6 of 9
Appendix A-1 MOECC Water Well Records
Well ID Bore Hole ID Water KindEasting
(NAD83)
Northing
(NAD83)Well Type
Primary Water
Use
Pumping Rate
(lpm)
Construction
DateStatic Level
Deepest Depth
(m)
Depth to Bedrock
(m)
Well Depth
(m)
3308236 10192260 FRESH 389613 4717502 Bedrock 4.54609 5/26/1987 22.5552 22.5552 23.7744
3308237 10192261 FRESH 389623 4717492 Bedrock Commerical 45.4609 6/5/1987 6.096 22.5552 22.5552 24.6888
3308243 10192267 GAS 382178.9 4720786 Bedrock Domestic 18.18436 4/2/1988 8.8392 35.9664 35.9664 36.576
3308309 10192333 GAS 381807.9 4717942 Bedrock Domestic 45.4609 5/12/1988 4.2672 32.3088 32.3088 33.8328
3308310 10192334 GAS 390479 4719230 Bedrock 8/18/1988 26.8224 26.8224 28.6512
3308920 10192866 SULPHUR 386539.4 4719934 Overburden Domestic 36.36872 10/14/1992 5.1816 17.0688 21.0312
3308921 10192867 FRESH 395073.5 4719552 Bedrock Domestic 9.09218 10/7/1992 4.572 3.048 19.5072 19.812
3308932 10192878 389586.9 4719800 Bedrock 2/2/1993 17.9832 19.5072
3308936 10192882 FRESH 391967.5 4718320 Bedrock Domestic 13.63827 11/9/1992 6.7056 21.6408 21.6408 21.9456
3308937 10192883 389586.9 4719800 Bedrock 9/10/1992 17.6784 19.812
3308992 10192938 FRESH 385315.4 4719987 Bedrock Domestic 68.19135 6/23/1993 4.8768 24.384 24.384 24.9936
3309085 10193025 FRESH 380401.9 4718834 Bedrock Domestic 18.18436 4/4/1994 7.3152 19.812 20.1168 20.4216
3309106 10193046 FRESH 379783.9 4718860 Bedrock Domestic 13.63827 9/20/1994 6.4008 22.2504 14.6304 22.2504
3309122 10193062 FRESH 382223.4 4718756 Bedrock Domestic 68.19135 8/12/1994 3.3528 32.6136 32.6136 33.2232
3309413 10193353 380401.9 4718834 Overburden 6/29/1998 13.716
3309617 10193556 FRESH 381667.7 4720140 Bedrock Domestic 22.73045 7/14/2000 3.6576 32.3088 32.3088 32.9184
3309636 10193575 FRESH 393172 4717277 Bedrock Domestic 4.54609 10/13/2000 4.572 21.0312 21.0312 21.9456
3309772 10532310 FRESH 391599.8 4717744 Bedrock Domestic 36.36872 5/23/2002 3.6576 21.336 21.336 21.336
3309835 10532373 386873.8 4719534 Not Used 11/30/2002
3309883 10545017 394453.9 4719577 Not Used 1/7/2003
3309962 10545096 FRESH 379842.7 4720210 Bedrock Domestic 9.09218 7/29/2003 5.1816 41.7576 41.7576 42.0624
3309984 11098389 385312.7 4719983 Not Used 10/29/2003
3310016 11098419 381610.7 4718779 Not Used 9/13/2003
3310021 11098424 391346.8 4718345 Not Used 7/22/2002
3310031 11106044 391369 4718523 Not Used 12/12/2003
3310032 11106045 392026.8 4719684 Not Used 12/1/2003
3310108 11175181 391742 4719999 5/4/2004
3310190 11320239 388591 4717690 Domestic 6/13/2005
3310248 11553127 387684 4719098 12/20/2005
3310250 11553129 386005 4719105 6/9/2005
3310254 11553133 387076 4719614 8/10/2005
3310313 11553192 385079 4719151 6/5/2006 15
3310338 11693155 385499 4719282 8/11/2006
3310339 11693156 385499 4719282 8/11/2006
3402388 10195988 FRESH 393563 4720412 Bedrock Not Used 4.54609 7/22/1966 3.6576 23.7744 24.0792 24.384
3402563 10196163 FRESH 379262.9 4720972 Overburden Livestock 22.73045 8/18/1954 4.2672 42.672
3402575 10196175 FRESH 379642.9 4721102 Overburden Livestock 36.36872 3/12/1954 4.2672 43.5864 43.8912
3402580 10196180 FRESH 382102.9 4720852 Overburden Livestock 13.63827 9/6/1955 8.2296 37.7952 37.7952
3402584 10196184 383752.9 4720872 Bedrock 8/21/1959 32.3088 39.624
3402585 10196185 FRESH 383752.9 4721002 Bedrock Domestic 18.18436 9/10/1959 3.9624 32.6136 33.2232 33.528
3402586 10196186 383572.9 4720792 Bedrock 8/29/1959 32.3088 32.6136
3402587 10196187 FRESH 383752.9 4720842 Bedrock Not Used 9.09218 9/4/1959 4.572 30.1752 31.6992 32.004
3402590 10196190 FRESH 385612.9 4720702 Overburden Livestock 10/1/1951 4.572 31.6992 33.528
3402591 10196191 FRESH 385752.9 4720762 Overburden Livestock 18.18436 9/27/1966 5.1816 31.0896 31.3944
3402598 10196198 388682.9 4720932 Bedrock 4/26/1958 18.5928 18.8976
3402599 10196199 FRESH 388592.9 4720932 Bedrock Domestic 59.09917 4/30/1958 6.096 18.288 18.5928 18.8976
3402600 10196200 388652.9 4720932 Bedrock 4/28/1958 18.5928 18.8976
3402602 10196202 FRESH 389337.9 4720682 Bedrock Domestic 22.73045 8/27/1963 3.6576 18.5928 17.9832 18.8976
3402611 10196211 FRESH 391363 4720607 Bedrock Livestock 31.82263 10/5/1961 4.572 20.1168 20.4216 21.336
3402615 10196215 392588 4720742 Overburden 8/20/1958 25.908
Appendix A_MOECC_Wells-PTTW_OtterCreek-Master_Well_Report Page 7 of 9
Appendix A-1 MOECC Water Well Records
Well ID Bore Hole ID Water KindEasting
(NAD83)
Northing
(NAD83)Well Type
Primary Water
Use
Pumping Rate
(lpm)
Construction
DateStatic Level
Deepest Depth
(m)
Depth to Bedrock
(m)
Well Depth
(m)
3402616 10196216 392568 4720392 Overburden 8/24/1958 25.908
3402617 10196217 392533 4720382 Bedrock 9/15/1964 25.908 28.956
3402618 10196218 392553 4720742 Bedrock 9/20/1964 28.6512 30.48
3402619 10196219 392553 4720422 Bedrock 8/7/1961 25.6032 36.8808
3402620 10196220 392393 4720402 Overburden 9/30/1964 29.2608
3402621 10196221 FRESH 392973 4720362 Overburden Domestic 4.54609 10/3/1964 2.4384 22.86 24.384
3402622 10196222 FRESH 393473 4720342 Overburden Livestock 8/15/1946 4.572 20.7264 20.7264
3402625 10196225 FRESH 396493 4720202 Bedrock Irrigation 13.63827 8/19/1955 2.1336 16.4592 16.1544 17.0688
3402626 10196226 FRESH 396633 4720197 Overburden Domestic 18.18436 6/1/1951 3.6576 17.3736 17.3736
3402627 10196227 FRESH 397773 4720302 Overburden Livestock 10/15/1946 4.572 15.24 15.24
3402628 10196228 FRESH 397373 4720182 Bedrock Livestock 31.82263 4/27/1967 2.1336 14.6304 15.24 16.4592
3403300 10196900 FRESH 387382.9 4720722 Overburden Domestic 5/15/1968 1.2192 2.1336 12.192
3403482 10197082 FRESH 395013 4720272 Overburden Domestic 40.91481 7/16/1969 2.7432 19.5072 21.336
3403483 10197083 394933 4720582 Overburden 7/12/1969 26.5176
3403484 10197084 394893 4720622 Overburden 7/10/1969 21.336
3403485 10197085 394873 4720462 Overburden 7/14/1969 21.336
3404148 10197744 FRESH 385632.9 4720812 Bedrock Livestock 9.09218 9/15/1972 8.2296 31.6992 31.6992 34.1376
3404376 10197972 FRESH 379646.9 4721255 Bedrock Domestic 9.09218 10/31/1973 4.572 42.9768 42.9768 45.72
3404459 10198055 FRESH 395928 4720259 Bedrock Livestock 31.82263 6/14/1974 2.1336 17.6784 18.5928 19.812
3404719 10198310 FRESH 394722 4720505 Bedrock Livestock 9.09218 4/14/1975 3.6576 24.9936 24.9936 25.2984
3404808 10198374 393973 4720382 Bedrock 10/28/1975 24.384 25.908
3404809 10198375 393613 4720522 Bedrock 11/11/1975 26.8224 28.0416
3404810 10198376 393973 4720322 Overburden 10/23/1975 24.384
3407026 10199574 FRESH 387372.9 4720722 Overburden Domestic 9/15/1981 2.4384 3.048 8.8392
3408078 10200583 FRESH 389468 4720603 Bedrock Domestic 45.4609 10/15/1993 3.048 17.9832 17.9832 17.9832
3408081 10200586 FRESH 391849 4720399 Bedrock Domestic 45.4609 12/14/1993 2.4384 24.9936 24.9936 25.6032
3408147 10200652 FRESH 387692 4720934 Bedrock Domestic 27.27654 10/11/1994 6.7056 27.432 27.432 27.432
3408429 10532380 389465.8 4720618 Not Used 4/18/2002
3408430 10532381 389457.8 4720609 Not Used 4/18/2002
3408499 10539244 FRESH 396600 4720235 Bedrock Domestic 22.73045 3/4/2003 4.2672 16.764 17.0688
3408500 10539245 396585 4720237 Overburden Domestic 3/4/2003 15.8496
3408714 11320314 381097 4718100 Overburden 3/28/2005 7.6
7051654 23051654 380797 4718442 9/1/2007 3.3528
7051656 23051656 395107 4717457 10/10/2007 7.0104
7051715 23051715 393129 4720567 6/30/2007
7051716 23051716 392986 4720644 6/30/2007
7051717 23051717 392986 4720644 6/30/2007
7100284 1000040679 385118 4719373 11/7/2007 24.9936
7100285 1000040722 385119 4719373 11/24/2007
7125192 1002513938 382051 4720861 6/30/2009 9
7135792 1002876110 388950 4719109 8/17/2009 10
7167314 1003551919 388574 4717381 8/5/2011
7179886 1003713111 393214 4717303 3/23/2012 2.4384
7186139 1004142870 389303 4717913 8/1/2012
7201916
7204608 1004412591 392904 4717961 5/11/2013 3.048
7204771 1004423816 381680 4719396 Domestic 36.36872 5/10/2013 2.667 33.9852
7210389 1004618920 Untested 392880 4720300 7/24/2013
Appendix A_MOECC_Wells-PTTW_OtterCreek-Master_Well_Report Page 8 of 9
Appendix A-2 MOECC Permit to Take Water Records
Permit
NumberClient Name
Purpose
Category
Specific
Purpose
Expiry
Date
Issue
Date
Water
SourceSource ID EASTING NORTHING
Maximum
Daily
Volume (L)
Permitted
Days per
Year
Maximum
Hours per
Day
Maximum
Volume per
Minute (L)
ACTIVE
3210-
7S8KH4William Konecny Agricultural
Field and
Pasture Crops5/20/2019 5/22/2009
Surface
WaterSydenham River Site #1 393248 4717242 2016000 35 24 1400 Yes
5026-
7TLQ5RSerkka Farms Inc. Agricultural
Field and
Pasture Crops7/14/2018 7/22/2009
Surface
WaterWhitebread Tap 379200 4720280 3268800 120 24 2270 Yes
7168-
7GUNTLRoss McCreary Agricultural
Field and
Pasture Crops7/24/2018 8/12/2008
Surface
WaterOtter Creek #1 389424 4718489 4364160 9 16 4546 Yes
7178-
9KTRST
228786 Ontario Ltd.~1118171
Ontario Ltd.Agricultural
Field and
Pasture Crops7/31/2018 6/10/2014
Surface
WaterWhite Bread Drain 380421 4720721 1137000 12 10 1895 Yes
7754-
7S9Q9GSerkka Farms Inc. Agricultural
Field and
Pasture Crops6/25/2018 5/29/2009
Surface
WaterWhitebred drain 381402 4720859 2498364 40 20 2081.97 Yes
8518-
95RRT5
St. Clair Region Conservation
AuthorityMiscellaneous
Wildlife
Conservation3/31/2023 3/19/2013
Surface
Water
Backflooding from Otter
Creek388435 4718202 4578000 365 24 3179 Yes
8741-
9KTHCWSerkka Farms Inc. Agricultural
Field and
Pasture Crops6/6/2024 6/10/2014
Surface
WaterSkinner Drain 383306 4718036 2996400 30 22 2270 Yes
3210-
7S8KH4William Konecny Agricultural
Field and
Pasture Crops5/20/2019 5/22/2009
Surface
WaterSydenham River Site #2 394527 4717235 2016000 35 24 1400 Yes
7168-
7GUNTLRoss McCreary Agricultural
Field and
Pasture Crops7/24/2018 8/12/2008
Surface
WaterOtter Creek #2 390182 4718516 4364160 9 16 4546 Yes
7178-
9KTRST
228786 Ontario Ltd.~1118171
Ontario Ltd.Agricultural
Field and
Pasture Crops7/31/2018 6/10/2014
Surface
WaterBear Creek Drain 380575 4719312 1137000 12 10 1895 Yes
7178-
9KTRST
228786 Ontario Ltd.~1118171
Ontario Ltd.Agricultural
Field and
Pasture Crops7/31/2018 6/10/2014
Surface
WaterSkinner Drain 380575 4719312 1137000 12 10 1895 Yes
8242-
7DQKZJBercab Farms Inc. Agricultural
Field and
Pasture Crops4/15/2018 5/23/2008
Surface
WaterSydenham River (b) 394976 4717178 950400 120 18 880 Yes
Appendix A_MOECC_Wells-PTTW_OtterCreek-PTTW Records Page 9 of 9
Appendix B
Chatham-Kent and St. Clair Intake Protection Zones and Significant Threat Mapping
Sources:Base data, 2010 Aerial Photography used under licence with the Ontario Ministry of Natural Resources, Copyright © Queen's Printer for Ontario; City of London.
Well Head Protection Areas and Intake Protection Zones
August 10, 2016Created By:
Legend
Notes: Thames-Sydenham & Region5,7782,889
1:144,447
11,556
metres
0
This map is not a substitute for professional advice. Please contact UTRCA staff for any changes, updates and amendments to the information provided.
The UTRCA assumes no liability for any errors, omissions or inaccuracies in the information provided herein and further assumes no liability for any decisions made or actions taken or not taken by any person in reliance upon the information and data furnished hereunder.
The UTRCA disclaims explicitly any warranty, representation or guarantee as to the content, sequence, accuracy, timeliness, fitness for a particular purpose, merchantability or completeness of any of the data depicted and provided herein.
Copyright © Thames-Sydenham & Region Source Protection.2016
Thames-Sydenham & Region SourceProtection Region Online Mapping
This document is not a Plan of Survey.
Source Protection Region
Municipal Wells
Wellhead Protection Area Vulnerability - Approved
Vulnerability = 2
Vulnerability = 4
Vulnerability = 6
Vulnerability = 8
Vulnerability = 10
Vulnerability = 6.3 (WHPA-E)
Vulnerability = 7.0 (WHPA-E)
Vulnerability = 7.2 (WHPA-E)
Issue Contributing Area
Intake Protection Zone/Vulnerability - Approved
IPZ-1
IPZ-2
IPZ-3
EBA
See Essex SPA
Otter Creek Wind Farm Limited Partnership
Hydrogeological Assessment and Effects Assessment
B4_04_D&O - App C Hydrogeology (27.02.2017) 19
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