TOWN OF NEW CASTLETOWN OF NEW CASTLEPHASE II ANNUAL PHASE II ANNUAL

STORMWATER REPORTSTORMWATER REPORT

GP-0-10-002 GP-0-10-002 Effective May 1, 2010 Expires: April 30, 2015Effective May 1, 2010 Expires: April 30, 2015

Reporting Period:Reporting Period:March 10, 2014-March 9, 2015March 10, 2014-March 9, 2015

www.decny.gov/chemical/43150.htmlwww.decny.gov/chemical/43150.html

Presented by: Sabrina Charney Hull, AICP June 17, 2015

New Castle Hydrology New Castle Hydrology

Located within 4 watershed basins Located within 4 watershed basins – Croton River Basin (NYC Watershed)Croton River Basin (NYC Watershed)– Lower Hudson River BasinLower Hudson River Basin– Bronx River Basin (draining to Kensico Bronx River Basin (draining to Kensico

Reservoir)Reservoir)– Upper Long Island Sound BasinUpper Long Island Sound Basin

New Castle’s Water QualityNew Castle’s Water Quality Different areas of the community have different Different areas of the community have different

water quality concernswater quality concerns The Croton Watershed is phosphorus restricted. The Croton Watershed is phosphorus restricted. – Croton Watershed Phosphorus TMDLCroton Watershed Phosphorus TMDL

The Upper Long Island Sound is nitrogen The Upper Long Island Sound is nitrogen restricted.restricted.

There are waterbodies on the state priority There are waterbodies on the state priority waterbody list due to concern with pathogens, waterbody list due to concern with pathogens, metals, and nutrients.metals, and nutrients.

Waterbodies are also listed on the NYS DEC Waterbodies are also listed on the NYS DEC 303(d) list of impaired waters.303(d) list of impaired waters.

PHASE II STORMWATER PHASE II STORMWATER PROGRAM REQUIREMENTSPROGRAM REQUIREMENTS

(Minimum Control Measures)(Minimum Control Measures)

1.1. Public Education and OutreachPublic Education and Outreach

2.2. Public Participation/InvolvementPublic Participation/Involvement

3.3. Illicit Discharge, Detection and Elimination Illicit Discharge, Detection and Elimination

(IDDE)(IDDE)

4.4. Construction Site Runoff ControlConstruction Site Runoff Control

5.5. Post-Construction Runoff ControlPost-Construction Runoff Control

6.6. Pollution Prevention/Good HousekeepingPollution Prevention/Good Housekeeping

Public Education and OutreachPublic Education and Outreach

TopicsTopics

Construction SitesConstruction Sites General Stormwater Management General Stormwater Management

InformationInformation Illicit Discharge Detection and Illicit Discharge Detection and

EliminationElimination Green Infrastructure/Better Site Green Infrastructure/Better Site

Design/Low Impact Development Design/Low Impact Development Storm Drain MarkingStorm Drain Marking Pesticide/Fertilizer usePesticide/Fertilizer use Pet Waste ManagementPet Waste Management RecyclingRecycling Riparian Corridor Riparian Corridor

Protection/RestorationProtection/Restoration Trash managementTrash management Vehicle WashingVehicle Washing Water ConservationWater Conservation Wetland ProtectionWetland Protection

Target AudiencesTarget Audiences

Public EmployeesPublic Employees ResidentialResidential BusinessesBusinesses ContractorsContractors DevelopersDevelopers General PublicGeneral Public Landscape ContractorsLandscape Contractors Board and Committee MembersBoard and Committee Members

2014/20152014/2015

Public Education and OutreachPublic Education and Outreach

Strategies ImplementedStrategies Implemented Direct Mailings (1)Direct Mailings (1) Kiosks and Displays (3 Locations)Kiosks and Displays (3 Locations) Mailing List (6,600)Mailing List (6,600) Public Events/Presentations (2,500)Public Events/Presentations (2,500) TV Spot/Cable Access (Ongoing)TV Spot/Cable Access (Ongoing) Printed Materials (7,150)Printed Materials (7,150) Daily InspectionsDaily Inspections

Materials Available in New Castle Town Hall, Chappaqua Materials Available in New Castle Town Hall, Chappaqua Library, Town Park Kiosks, New Castle Department of Library, Town Park Kiosks, New Castle Department of

Public Works and Town Website.Public Works and Town Website.

2014/20152014/2015

Public Education and OutreachPublic Education and Outreach

Evaluating/Measuring ProgressEvaluating/Measuring Progress Number of Applications now including low Number of Applications now including low

impact development/better site design elements impact development/better site design elements is increasing.is increasing.

Information pamphlets and brochures are being Information pamphlets and brochures are being picked up.picked up.

2014/20152014/2015

Public Involvement/ParticipationPublic Involvement/Participation

Strategies ImplementedStrategies Implemented Cleanup Events (1)Cleanup Events (1) Community HotlinesCommunity Hotlines Community Meetings (525 attendees)Community Meetings (525 attendees) Plantings (0)Plantings (0) Volunteer Monitoring (3)Volunteer Monitoring (3) Annual Report posting on web and viewing via Annual Report posting on web and viewing via

cable access channel.cable access channel.

2014/20152014/2015

Public Involvement/ParticipationPublic Involvement/Participation

Evaluating/Measuring ProgressEvaluating/Measuring Progress Discussion of stormwater related issues at Discussion of stormwater related issues at

public meetings and public hearing public meetings and public hearing participation continues.participation continues.

Town-wide mailingTown-wide mailing Website questionnaireWebsite questionnaire Education of Contractors at all construction Education of Contractors at all construction

sites occurred.sites occurred.

2014/20152014/2015

Illicit Discharge, Detection, Illicit Discharge, Detection, EliminationElimination

Strategies ImplementedStrategies Implemented All Outfalls Mapped (23).All Outfalls Mapped (23). 23 outfalls were dry weather screened.23 outfalls were dry weather screened. Building maintenance, commercial car washes, Building maintenance, commercial car washes,

parking lots, cross connections, outdoor fluid parking lots, cross connections, outdoor fluid storage, vehicle maintenance/repair shops and storage, vehicle maintenance/repair shops and septic maintenance were targeted for septic maintenance were targeted for inspection.inspection.

0 Illicit discharges were detected0 Illicit discharges were detected

2014/20152014/2015

Illicit Discharge, Detection, Illicit Discharge, Detection, EliminationElimination

Strategies ImplementedStrategies Implemented Storm sewershed mapping has been completed.Storm sewershed mapping has been completed. Information is available in GIS.Information is available in GIS. 100% of staff in relevant positions/departments 100% of staff in relevant positions/departments

have received IDDE training.have received IDDE training.

2014/20152014/2015

Illicit Discharge, Detection, Illicit Discharge, Detection, EliminationElimination

Evaluating/Measuring ProgressEvaluating/Measuring Progress

Number of illicit discharges detected/eliminated Number of illicit discharges detected/eliminated has been reduced due to staff education, has been reduced due to staff education, inspection, tracking and reporting. inspection, tracking and reporting.

0 discharges were found0 discharges were found

2014/20152014/2015

Construction / Post-Construction Construction / Post-Construction ControlControl

Strategies ImplementedStrategies Implemented SWPPP review procedures are in placeSWPPP review procedures are in place 16 SWPPP reviewed during reporting period16 SWPPP reviewed during reporting period Procedure to receive public comments is in Procedure to receive public comments is in

placeplace

2014/20152014/2015

Construction Site Stormwater Runoff Construction Site Stormwater Runoff ControlControl

Strategies ImplementedStrategies Implemented 4 Active construction projects disturbing one 4 Active construction projects disturbing one

acre or more in Town.acre or more in Town. All active construction sites were routinely All active construction sites were routinely

inspected.inspected. All inspectors use an approved plan consistent All inspectors use an approved plan consistent

with the NYS Construction Stormwater with the NYS Construction Stormwater Inspection Manual.Inspection Manual.

The public has access to SWPPPs.The public has access to SWPPPs.

2014/20152014/2015

Construction Site Stormwater Runoff Construction Site Stormwater Runoff ControlControl

Evaluating/Measuring ProgressEvaluating/Measuring Progress All construction projects submitted SWPPPs All construction projects submitted SWPPPs

and the plans continue to show more and the plans continue to show more consistency with NYS standards than previous consistency with NYS standards than previous submissions.submissions.

Stormwater control and associated BMPs Stormwater control and associated BMPs continue to be a focus regarding project continue to be a focus regarding project approval.approval.

2014/20152014/2015

Post-Construction Stormwater Post-Construction Stormwater ManagementManagement

Strategies ImplementedStrategies Implemented 42 Post-Construction Stormwater Management 42 Post-Construction Stormwater Management

Practices were inspected.Practices were inspected. 30 Catchbasins inspected and maintained.30 Catchbasins inspected and maintained. Using GIS to track post-construction BMPsUsing GIS to track post-construction BMPs Local Law, Overlay Districts, Comprehensive Local Law, Overlay Districts, Comprehensive

Planning, Zoning and Planning Board review Planning, Zoning and Planning Board review procedures and Building Codes have been used procedures and Building Codes have been used to implement low impact development / better to implement low impact development / better site design elements.site design elements.

2014/20152014/2015

Post-Construction Stormwater Post-Construction Stormwater ManagementManagement

Strategies Implemented (Continued)Strategies Implemented (Continued) New Castle is a member of CKWIC and the East New Castle is a member of CKWIC and the East

of Hudson Watershed Corporation (EOHWC) of Hudson Watershed Corporation (EOHWC) which developed a 5-Year Regional Stormwater which developed a 5-Year Regional Stormwater Retrofit Program approved by NYSDEC.Retrofit Program approved by NYSDEC.

19 Stormwater Retrofits (EOHWC) were 19 Stormwater Retrofits (EOHWC) were implemented.implemented.

Evaluating/Measuring ProgressEvaluating/Measuring Progress A total of 122.86 kg/yr of phosphorus was A total of 122.86 kg/yr of phosphorus was

reduced for the EOHWCreduced for the EOHWC

2014/20152014/2015

Stormwater ManagementStormwater ManagementMunicipal OperationsMunicipal Operations

Operations/Activities/Facilities and Self-AssessmentOperations/Activities/Facilities and Self-Assessment Street MaintenanceStreet Maintenance Bridge MaintenanceBridge Maintenance Winter Road MaintenanceWinter Road Maintenance Salt StorageSalt Storage Solid Waste ManagementSolid Waste Management Municipal Construction and Land DisturbanceMunicipal Construction and Land Disturbance Hydrologic Habitat ModificationHydrologic Habitat Modification Right of Way MaintenanceRight of Way Maintenance Parks and Open SpaceParks and Open Space Municipal BuildingsMunicipal Buildings Stormwater System MaintenanceStormwater System Maintenance Vehicle and Fleet MaintenanceVehicle and Fleet Maintenance Etc.Etc.

2014/20152014/2015

Stormwater ManagementStormwater ManagementMunicipal OperationsMunicipal Operations

Strategies ImplementedStrategies Implemented Swept 4 Acres of parking lotsSwept 4 Acres of parking lots Swept 30 miles of streetsSwept 30 miles of streets Inspected and cleaned 30 catch basinsInspected and cleaned 30 catch basins Inspected and cleaned post construction Inspected and cleaned post construction

control practicescontrol practices 2,400 lbs. of nitrogen applied in fertilizer2,400 lbs. of nitrogen applied in fertilizer 100% of municipal employees who need training 100% of municipal employees who need training

received itreceived it

2014/20152014/2015

Evaluating/Measuring ProgressEvaluating/Measuring Progress Reporting procedures for municipal Reporting procedures for municipal

departments responsible for good departments responsible for good housekeeping will be reviewed to ensure housekeeping will be reviewed to ensure maintenance of Town facilities and maintenance maintenance of Town facilities and maintenance activities are accounted for.activities are accounted for.

Additional reporting procedures for Additional reporting procedures for maintenance of various stormwater system maintenance of various stormwater system components should be developed.components should be developed.

2014/20152014/2015

Stormwater ManagementStormwater ManagementMunicipal OperationsMunicipal Operations

Additional WatershedAdditional WatershedImprovement StrategiesImprovement Strategies

Strategies ImplementedStrategies Implemented Education program to address phosphorus/nitrogen is in Education program to address phosphorus/nitrogen is in

placeplace 100% of the Towns conveyance system has been 100% of the Towns conveyance system has been

mapped, additional features to be mapped.mapped, additional features to be mapped. A stormwater conveyance system inspection and A stormwater conveyance system inspection and

maintenance plan program is in place and will be maintenance plan program is in place and will be expanded.expanded.

Program to track on-site wastewater treatment systems Program to track on-site wastewater treatment systems that have been inspected and maintained has been that have been inspected and maintained has been implemented. 3,111 septics have been maintained.implemented. 3,111 septics have been maintained.

Post-construction program is in placePost-construction program is in place 5-Year Retrofit program is underway 5-Year Retrofit program is underway

2014/20152014/2015

For More Information On New For More Information On New Castle’s Stormwater ProgramCastle’s Stormwater Program

Department of Building, Engineering, Department of Building, Engineering, Planning and Zoning Planning and Zoning

(914)238-4723(914)238-4723

www.mynewcastle.comwww.mynewcastle.com