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Amador Regional Sanitation Authority “Servicing Amador City, Martell, & Sutter Creek”
A G E N D A July 10, 2019
10:00 A.M. Regular Meeting
SUTTER CREEK COMMUNITY BUILDING
33 CHURCH STREET, SUTTER CREEK
1. CALL TO ORDER AND ESTABLISH A QUORUM – 10:00 AM
2. PLEDGE OF ALLEGIANCE TO THE FLAG
3. PUBLIC FORUM Discussion items only, no action to be taken. Any person may address the Board at this time upon any subject within the
jurisdiction of the Amador Regional Sanitation Authority; however, any matter that requires action may be referred to
staff and/or Committee for a report and recommendation for possible action at a subsequent Board meeting. Please note –
there is a five (5) minute limit per topic.
4.
*
*
*
*
CONSENT AGENDA
Items listed on the consent agenda are considered routine and may be enacted in one motion. Any item may be
removed for discussion at the request of the Board or the Public.
A. Minutes of March 27, 2019
Approve Minutes of March 27, 2019.
B. Approval of Warrants
Approve warrants.
C. FY 18-19 Budget vs. Actual
For information only.
D. System Status Report
For information only.
5.
*
*
ADMINISTRATIVE MATTERS
A. Inundation Mapping
For information only and staff direction to choose a method of public outreach.
B. Fiscal Year 2019-2020 Annual Budget
Adopt Resolution 18-19-* Adopting the 2019-2020 Annual Budget.
ADJOURNMENT
* Attachments
Proceedings of the Meeting will be tape recorded. In compliance with the Americans with Disabilities Act, if you need special assistance to
participate in this meeting, please call (209) 267-5647. Notification 48 hours prior to the meeting will allow for reasonable arrangements to be made.
1
Amador Regional Sanitation Authority “Servicing Amador City, Martell, & Sutter Creek”
MINUTES
OF THE BOARD OF DIRECTORS MEETING
May 22, 2019
Present: Staff Present:
Robin Peters, Chairman Amy Gedney, Interim General Manager
Jim Swift, Board Member Harriet Steiner, ARSA Attorney
Susan Bragstad, Board Member Karen Darrow, Secretary
Frank Axe, Board Member
Absent: Richard Forster, Vice Chairman
1. CALL TO ORDER AND ESTABLISH A QUORUM
Meeting called to order by Chairman Peters at 10:00 A.M.
2. PLEDGE OF ALLEGIANCE TO THE FLAG
Chairman Peters led the Pledge of Allegiance.
3. PUBLIC FORUM-None.
4. CONSENT AGENDA
Items listed on the consent agenda are considered routine and may be enacted in one motion. Any item may
be removed for discussion at the request of the Board or the Public.
A. Minutes of March 27, 2019
Approve Minutes of March 27, 2019.
B. Approval of Warrants
Approve warrants.
C. FY 18-19 Budget vs. Actual
For information only.
D. System Status Report
For information only.
Item 4C was pulled for discussion
M/S Axe/Swift to Approve Consent Agenda Items A, B & D, as presented.
AYES: Axe, Bragstad, Swift and Peters
NOES: None
ABSTAIN: None
ABSENT: Forster
MOTION CARRIED
M/S Swift/Axe to Approve Item 4C as corrected.
AYES: Axe, Bragstad, Swift and Peters
NOES: None
ABSTAIN: None
ABSENT: Forester
MOTION CARRIED
2
____________________________ _________________________
Karen Darrow, Secretary Robin Peters, Chairman
Date Approved:
5.
6.
ADMINISTRATIVE MATTERS
A. Review of loan status with the City of Sutter Creek
For information only.
City of Sutter Creek Finance Supervisor Jodi Steneck noted that the audit should be complete by the
end of the month and that the interest on the loan is acknowledged in the audit.
B. 2019-2020 Annual Budget
Adopt Resolution 18-19-* Adopting the 2019-2020 Annual Budget.
Interim General Manager Gedney pulled this item, noting that it will be included on the next agenda.
Adjourn to Closed Session at 10:15 p.m.
CLOSED SESSION
A. CONFERENCE WITH LEGAL COUNSEL—ANTICIPATED LITIGATION
Initiation of litigation pursuant to paragraph (4) of subdivision (d) of Government Code
Section 54956.9: One potential case
ADJOURNMENT
The meeting was adjourned at 11:00 a.m.
10:37 AM
07/01/19 Amador Regional Sanitation Authority (ARSA)
Check Detail July 2019
Type Num Date Name Account Paid Amount
Bill Pmt -Check 1483 07/01/2019 Best Best & Krieger, LLP 10000 · Checking - Umpqua
Bill 852032 06/17/2019 Legal/General Business -1,067.04
Bill 852033 06/17/2019 Legal/Water Rights -3,282.76
TOTAL -4,349.80
Bill Pmt -Check 1484 07/01/2019 City of Sutter Creek 10000 · Checking - Umpqua
Bill 2019-06 06/17/2019 Contract with COSC -12,745.33
Overtime -11,801.97
General Supplies -219.95
Repairs & Maintenance -3,103.53
TOTAL -27,870.78
Bill Pmt -Check 1485 07/01/2019 Hunt & Sons, Inc. 10000 · Checking - Umpqua
Bill 56799 05/15/2019 Fuel -1,166.81
Bill 66895 05/31/2019 Fuel -514.21
Bill 79012 06/15/2019 Fuel -966.01
TOTAL -2,647.03
Bill Pmt -Check 1486 07/01/2019 Ione ACE Hardware 10000 · Checking - Umpqua
Bill 05252019 05/25/2019 Repairs & Maintenance -27.57
Bill 06252019 06/25/2019 Repairs & Maintenance -13.99
Bill A282337 06/28/2019 Repairs & Maintenance -10.77
TOTAL -52.33
Bill Pmt -Check 1487 07/01/2019 SDRMA 10000 · Checking - Umpqua
Bill 66337 05/16/2019 Risk Management - Liabilty -14,114.56
TOTAL -14,114.56
Bill Pmt -Check 1488 07/01/2019 Steins Auto Care 10000 · Checking - Umpqua
Bill 14339 05/01/2019 Vehicle Maintenance -268.29
TOTAL -268.29
Bill Pmt -Check 1489 07/01/2019 Weber, Ghio & Associates, Inc. 10000 · Checking - Umpqua
Bill 6359 05/13/2019 Engineering/General -485.50
Bill 6360 05/13/2019 Engineering/RWQCB Compliance -323.75
Bill 6361 05/13/2019 Engineering/Inundation Study -2,440.25
Bill 6446 06/11/2019 Engineering/General 277.50
Bill 6445 06/11/2019 Engineering/Inundation Study 377.50
TOTAL -2,594.50
Page 1 of 1
Amador Regional Sanitation Authority (ARSA)
Budget vs. Actual July 2018 through June 2019
Budget Jul '18 - Jun 19 % of Budget Projected YE
Income
Interest Income 150$ 127$ 84.93% 135$
Use Fee Revenue
Amador City 17,627$ 17,627$ 100.0% 17,627$
Amador Water Agency 73,649$ 73,649$ 100.0% 73,649$
City of Sutter Creek 391,668$ 391,668$ 100.0% 391,668$
Total Use Fee Revenue 482,944$ 482,944$ 100.0% 482,944$
Total Income 483,094$ 483,071$ 100.0% 483,079$
Expense
Employee Services
Contract with COSC 152,944$ 149,995$ 98.07% 152,944$
Overtime 48,000$ 65,539$ 136.54% 70,000$
Total Employee Services 200,944$ 215,534$ 107.26% 222,944$
Operations
Audit & Accounting 8,000$ 6,000$ 75.0% 8,000$
Engineering 20,000$ 36,748$ 183.74% 40,000$
Inundation mapping 15,000$ 12,841$ 85.6% 15,000$
Legal 25,000$ 19,523$ 78.09% 21,000$
Risk Management - Liabilty 15,000$ 14,115$ 94.1% 14,115$
Taxes/Fees/Licenses 47,000$ 54,339$ 115.62% 54,339$
General Supplies 500$ 220$ 43.99% 250$
Membership Dues 1,500$ 1,673$ 111.55% 1,673$
Fuel 18,000$ 9,541$ 53.01% 10,500$
Tertiary Treatment Fees 70,000$ 50,978$ 72.83% 60,000$
Flood Control 2,000$ -$ 0.0% -$
Weed Control 1,500$ -$ 0.0% -$
Vehicle Maintenance 1,500$ 2,817$ 187.83% 3,000$
O&M Building/Structures 1,000$ 1,000$
Repairs & Maintenance 8,000$ 15,982$ 199.78% 16,500$
Contingency 24,000$ -$ 0.0% -$
Total Operations 233,000$ 225,778$ 96.9% 245,377$
Other Expense
Capital
O & M Equipment 25,000$ -$ 0.0% -$
Total Capital 25,000$ -$ 0.0% -$
TOTAL 458,944$ 441,312$ 468,321$
2018-2019 BUDGET
Page 1 of 1
ARSA SYSTEM FLOWS
2014 - Present
Date
Sutter Creek
WWTP Flow
(mg)
Bowers
Irrigation
(mg)
Henderson
Freeboard
Henderson
Outflow
(mg)
Hoskins
Irrigation
(mg)
Mule
Creek
Inflow (mg)
Preston
Freeboard
Outflow to
Ione (acft)
1/31/13 11.31 - 0.48 - - -
2/28/13 7.40 - 15.04 - - -
3/31/13 8.51 - 12.13 - - -
4/30/13 14.28 - 14.28 - - 13.38
5/31/13 6.85 - 18.68 3.00 13.99 26.84
6/30/13 5.82 8.23 17.92 4.40 3.37 31.70
7/31/13 5.92 5.73 5.70 4.36 15.03 31.59
8/31/13 6.55 6.26 6.80 5.11 23.67 19.75
9/30/13 6.61 5.95 5.39 5.05 11.84 22.40
10/31/13 6.51 6.14 3.58 3.27 12.34 15.08
11/30/13 6.08 3.17 4.78 0.75 8.56 5.84
12/31/13 6.77 - 5.04 - - - -
TOTALS 93 35 110 26 89 167
VOL (AcFt) 284.22 108.85 337.02 79.63 272.50 511.19
Date
Sutter Creek
WWTP Flow
(mg)
Bowers
Irrigation
(mg)
Henderson
Freeboard
Henderson
Outflow
(mg)
Hoskins
Irrigation
(mg)
Mule
Creek
Inflow (mg)
Preston
Freeboard
Outflow to
Ione
(650acft)
2014
1/31/2014 6.8 0.0 15'8" 7.1 0.0 3.4 17'1" 0.0
2/28/2014 12.3 0.0 11'5" 5.5 0.0 12.1 11'9" 0.0
3/31/2014 13.9 0.0 8' 7.3 0.0 0.0 13'2" 0.0
4/30/2014 11.0 0.0 6'2" 13.6 0.0 0.0 8'7" 5.2
5/31/2014 8.8 0.0 5'9" 12.2 0.0 0.0 12'3" 21.9
6/30/2014 8.2 8.2 7'1" 9.7 4.5 45.2 9'1" 28.4
7/31/2014 8.0 7.8 9'9" 13.0 4.7 31.4 10'3" 37.4
8/31/2014 8.4 5.8 11'6" 15.1 4.6 11.1 16'6" 38.9
9/30/2014 8.2 5.2 14'4" 16.4 4.6 10.1 19'3" 27.7
10/31/2014 8.1 3.7 17'7" 15.7 3.2 5.8 18'5" 14.1
11/30/2014 8.2 3.2 19' 16.2 0.8 0.0 13'3" 0.1
12/31/2014 16.0 0.0 13'1" 7.1 0.0 0.0 10'9" 0.0
Total Flow 117.9 33.9 138.9 22.4 119.1 173.7
Annual ac ft 361.8 104.0 426.3 68.7 365.5 533.1
2015
1/31/2015 9.7 0.0 10' 4.2 0.0 0.0 10'5" 0.0
2/28/2015 13.3 0.0 7'1" 6.6 0.0 0.0 8'8" 0.0
3/31/2015 9.7 0.0 6'5" 12.3 1.7 0.1 6'8" 0.0
4/30/2015 8.5 0.0 5'9" 19.2 5.6 0.0 5'8" 8.8
5/31/2015 8.2 0.0 5'7" 12.7 7.3 0.0 9'3" 22.6
6/30/2015 7.2 5.7 8'7" 20.7 10.1 15.8 8'9" 28.3
7/31/2015 7.2 6.6 12'3" 22.7 10.0 24.8 8'1" 32.6
8/31/2015 7.5 7.5 15'9" 16.9 10.3 23.3 7'2" 32.6
9/30/2015 7.6 5.8 19'6" 14.6 6.5 15.6 8'9" 31.4
10/31/2015 7.8 4.5 24'1" 19.7 5.8 0.0 10'9" 23.0
11/30/2015 8.4 0.0 21'1" 3.9 0.0 0.0 14'6" 10.9
12/31/2015 13.4 0.0 17'2" 9.8 0.0 0.0 14' 6.6
Total Flow 108.4 30.1 163.4 57.3 79.6 196.6
Annual ac ft 332.7 92.3 501.4 175.8 244.2 603.5
2016
1/31/2016 19.0 0.0 12'1" 12.4 0.0 0.0 11'4" 3.9
2/29/2016 10.7 0.0 10'9' 17.8 0.0 0.0 8'7" 4.0
3/31/2016 17.7 0.0 8'7" 15.1 0.0 0.0 5'7" 3.4
4/30/2016 10.7 0.0 8'5" 13.7 0.0 0.0 5'7" 9.1
5/31/2016 9.3 0.0 9'9" 23.0 0.0 0.0 7'7" 27.3
6/30/2016 8.3 2.9 14'4" 32.2 2.2 0.0 9'8" 36.0
7/31/2016 9.0 9.0 20'1" 25.4 5.3 35.9 7'6" 40.9
8/31/2016 9.2 9.2 22'3" 8.7 3.2 32.9 8'3" 44.1
9/30/2016 8.3 6.3 25'8" 10.8 2.2 10.3 13'2" 37.5
10/31/2016 11.0 2.5 23'2" 5.9 0.0 4.0 14'4" 6.4
11/30/2016 11.2 0.0 20'8" 5.3 0 0.0 14'2" 0.0
12/31/2016 16.5 0.0 16'8" 10.4 0.0 0.0 11'6" 0.0
Total Flow 140.8 29.8 180.8 12.9 83.2 212.6
Annual ac ft 432.1 91.5 554.9 39.6 255.2 652.5
ARSA SYSTEM FLOWS
2014 - Present
Date
Sutter Creek
WWTP Flow
(mg)
Bowers
Irrigation
(mg)
Henderson
Freeboard
Henderson
Outflow
(mg)
Hoskins
Irrigation
(mg)
Mule
Creek
Inflow (mg)
Preston
Freeboard
Outflow to
Ione (acft)
2017
1/31/2017 30.9 0.0 9'3" 10.7 0.0 0.0 6'8" 0.0
2/28/2017 26.5 0.0 4'1" 10.2 0.0 0.0 4'4" 0.0
3/31/2017 15.5 0.0 1'5" 14.1 0.0 0.0 1'5" 1.5
4/30/2017 16.1 0.0 1'6" 34.9 0.0 0.0 1'8" 5.9
5/31/2017 9.6 0.0 3'7" 38.0 2.7 0.0 1'2" 27.4
6/30/2017 8.9 8.0 6'7" 36.0 8.8 0.0 3'2" 36.2
7/31/2017 8.6 8.7 11' 35.0 10.7 0.0 6'11" 41.8
8/31/2017 8.8 8.7 13'9" 20.6 8.6 0.0 7'6" 12.1
9/30/2017 8.7 8.7 16'2" 18.3 11.9 0.0 6'10 0.0
10/31/2017 8.0 8.1 17'4" 13.8 9.4 0.0 9'7" 17.2
11/30/2017 11.5 0.9 14'10" 9.7 7.4 0.0 11'1" 27.2
12/31/2017 9.5 0.0 12'9" 6.3 0.0 10'6" 0.0
Total Flow 162.6 43.1 241.3 65.8 0.0 169.3
Annual ac ft 499.0 132.2 740.6 202.1 0.0 519.6
Average ac feet per
Year 313.51 76.46 385.57 74.90 216.80 485.36
2018
1/31/2018 13.6 0 9'7" 8.4 0 0 8'8" 0
2/28/2018 8.7 0 7'10" 5.1 0 0 8'3" 0
3/31/2018 22.1 0 4'1" 8.00 0 0 5'11" 0
4/30/2018 14.1 0 3'9" 23.8 6.0 0 3'3" 1.15
5/31/2018 9.3 0 3'10" 16.9 9.9 0 8'2" 27.71
6/30/2018 8.4 5.3 5'8" 21.2 9.6 0 15'1" 37.73
7/31/2018 9.3 9.2 10'0" 35.4 9.5 0 22'0" 42.85
8/31/2018 9.7 9.7 11'7" 12 5.8 0 20'9" 0
9/30/2018 9 9 13'11" 16 10.7 0 19'3" 0
10/31/2018 8.9 8.9 15'2" 16.2 10.0 0 11' 0
11/30/2018 10.5 5.8 15'1" 14.9 5.6 0 14'10" 0
12/31/2018 11.7 0 13'6" 15.2 0 0 11'2" 0
Total Flow 135.3 47.9 0 193.1 67.1 0 0 109.44
Annual ac ft 415.2 147.0 0.0 592.6 205.9 0.0 0.0 335.9
2019
1/31/2019 17.4 0 10'5" 36.7 0 0 8'3" 0
2/28/209 23.3 0 6'6" 4.8 0 0 6'6" 0
3/31/2019 20.2 0 3'6" 7.6 0 0 4'8" 0
4/30/2019 11.9 0 2'9" 15.8 4.2 0 3'2" 2
5/31/2019 12.7 0 3'6" 24 5.8 0 4'8" 20.9
6/30/2019
7/31/2019
8/31/2019
9/30/2019
10/31/2019
11/30/2019
12/31/2019
Total Flow 85.5 0 0 88.9 10 0 0 22.9
Annual ac ft 262.4 0.0 0.0 272.8 30.7 0.0 0.0 70.3
Sutter Creek
WWTP Flow
(mg)
Bowers
Irrigation
(mg)
Henderson
Freeboard
Henderson
Outflow
(mg)
Hoskins
Irrigation
(mg)
Mule
Creek
Inflow (mg)
Preston
Freeboard
Outflow to
Ione (acft)
5/31/2011 8.5 0.0 15.8 0.0 13.0 13.7
5/31/2012 9.7 0.0 17.9 1.1 11.3 22.0
5/31/2013 6.8 0.0 18.7 3.0 14.0 26.8
5/31/2014 8.8 0.0 5'9" 12.2 0.0 0.0 12'3" 21.9
5/31/2015 8.2 0.0 5'7" 12.7 7.3 0.0 9'3" 22.6
5/31/2016 9.3 0.0 9'9" 23.0 0.0 0.0 7'7" 27.3
5/31/2017 9.6 0.0 3'7" 38.0 2.7 0.0 1'2" 27.4
5/31/2018 9.3 0.0 3'10" 16.9 9.9 0.0 8'2" 27.7
5/31/2019 12.7 0.0 3'6" 24.0 5.8 0.0 4'8" 20.9
May Comparisons
1
Amador Regional Sanitation Authority
“Servicing Amador City, Martell, & Sutter Creek”
STAFF REPORT TO: ARSA BOARD OF DIRECTORS MEETING DATE: JULY 10, 2019 FROM: GARY GHIO, DISTRICT ENGINEER SUBJECT: HENDERSON AND PRESTON EMERGENCY ACTION PLAN
RECOMMENDATION: Choose a method of outreach. BACKGROUND & DISCUSSION: On July 14, 2017 the Division of Safety of Dams (DSOD) notified ARSA regarding newly adopted regulations requiring inundation mapping and emergency action plans (EAP) for both Henderson and Preston Dams. Effective July 1, 2017, dam owners are required to prepare an EAP for their dams and critical appurtenant structures under certain conditions and in specific time limits. Both Henderson and Preston Dams have a "high" hazard classification per DSOD. See Figure 1 for an overview of the Cal OES plan review process. Inundation mapping has been approved by DSOD and EAPs were submitted to Cal OES for initial review in December 2018. Attachment #1 shows the approved inundation mapping for Preston and Henderson Dams. The inundation maps show flooding that could result from a hypothetical failure of a dam or its critical appurtenant structure (eg spillway). The inundation maps for Henderson and Preston Dams show the impacts to Mule Creek State Prison, residents of the City of Ione and residents of Castle Oaks Golf Course. The approved inundation maps are published by the State to the following website: https://fmds.water.ca.gov/maps/damim/ for the public to access. Cal OES has responded to the initial submittal of the Draft Henderson EAP and District Staff is in the process of responding to the comments and coordinating with local agencies that include Amador County (Sheriff’s Office, Fire Department and OES), CDCR, and the City of Ione. Cal OES identified that additional documentation and coordination for outreach and education to downstream residents of a potential dam risk will be required. Cal OES and FEMA provide general guidelines for methods to fulfill this requirement but does not prescribe an outreach method. Below is the guidance provided from the "Federal Guidelines for Dam Safety: Emergency Action Planning for Dams FEMA 64":
"Dams that are immediately upstream of residences, recreation areas, and campgrounds pose unique challenges. It may be necessary for the dam owner to assist emergency management authorities in developing public awareness measures. These measures typically explain the proximity of the dam, how people will be informed of an emergency, and the actions people should take during an emergency."
2
The primary emergency management authority for a large-scale emergency is the Amador County Sheriffs Office of Emergency Services (OES). In the event of an incident at the dam that would require OES's involvement they would be responsible to coordinate the County's response to the emergency. Amador OES notifies residents of emergencies or evacuations through a high-speed emergency/community notification system called CodeRED. The CodeRED system would be able to deliver telephone calls, text messages and emails directly to residents within the inundation area downstream of ARSA's reservoirs. OES recommends Amador residents to sign up for the CodeRED system online or through their office to ensure that in addition to landline communication that cellphones can also be reached with the CodeRED system. The District has been coordinating with Amador OES to verify the roles of local agencies that are outlined in both the Preston and Henderson EAP. The District staff is seeking board recommendation to choose one of three or a combination of the following outreach options:
1. Transmittal of informational mailers to downstream property owners that are within the inundation area
2. Coordination of additional outreach activities with Amador County, the City of Ione, CDCR, and Castle Oaks Golf Course and require posting of information in areas of normal public notice postings used by the agencies.
3. Public notice advertisement in the local newspaper where residents can find the information.
Figure 1 - Cal OES Emergency Action Plan Review Process
#2670 Staff Report-Board_2019-07-02.docx
4
Attachment #1 Preston and Henderson Reservoir Dam Inundation Mapping
D
D
ID: 0 MILES (DS HENDERSON RES.)ARRIVAL TIME: 0 HRS.VELOCITY: 0 FPS.MAXIMUM DEPTH: 5 FT.WATER SURFACE ELEVATION: 784 FT.
ID: 1 MILE (DS HENDERSON RES.)ARRIVAL TIME: 0.25 HRS.VELOCITY: 10.33 FPS.MAXIMUM DEPTH: 16.83 FT.WATER SURFACE ELEVATION: 659.76 FT.
ID: STRUCTUREARRIVAL TIME: 0.25 HRS.VELOCITY: 6.62 FPS.MAXIMUM DEPTH: 1.25 FT.WATER SURFACE ELEVATION: 727.91 FT.
ID: PAINE ROADARRIVAL TIME: 0.08 HRS.VELOCITY: 22.85 FPS.MAXIMUM DEPTH: 7.88 FT.WATER SURFACE ELEVATION: 715.1 FT.
ID: SUTTER IONE ROADARRIVAL TIME: 0.17 HRS.VELOCITY: 22.61 FPS.MAXIMUM DEPTH: 13.16 FT.WATER SURFACE ELEVATION: 668.03 FT.
ID: STRUCTUREARRIVAL TIME: 0.33 HRS.VELOCITY: 11.63 FPS.MAXIMUM DEPTH: 1.92 FT.WATER SURFACE ELEVATION: 662.02 FT.
ID: STRUCTUREARRIVAL TIME: 0.25 HRS.VELOCITY: 9.79 FPS.MAXIMUM DEPTH: 15.19 FT.WATER SURFACE ELEVATION: 660.09 FT.
HENDERSON RESERVOIRDAM
GOFFINETRESERVOIRDAM
Mt EchoRd
Beav
erLo
opRd
Goffinet Rd
Sutte
rCre
ekRa
ncho
s Rd
Sutter Ione Rd
Sutte
r Cree
k Ione Rd
Paine Rd
Jackas
s Cree
k
Sourc e: Esri, Digita lGlob e, GeoEye, Earthstar Geogra p hic s, CNES/Airb us DS, USDA, USGS, AeroGRID,IGN, a nd the GIS User Com m unity
120.8583° W
120.8583° W
120.8667° W
120.8667° W
120.875° W
120.875° W
120.8833° W
120.8833° W
120.8917° W
120.8917° W38.3917° N
38.3917° N
38.3833° N
38.3833° N
38.375° N
38.375° N
38.3667° N
123
45
H E N D E RSONH E N D E RSONR E S E R VOIRR E S E R VOIR
S Mill St
Tonzi Rd
Waterm
an Rd
W Marle t te St
FiveMile
Dr
Carbondale Rd
Buena Vista Rd
Ione Rd
Willo
wCr
eek Rd
Old
Stockton Rd
I rish
H il lR
d
A m a dorA m a dorC o u ntyC o u nty
ST124
ST104
ST124
ST88
ST104
ST124
ST104
IoneIone
PANEL
t 0 1,000500Feet
PANEL LOCATOR
0 400200Meters
X :\GIS\7000_ PRJ\7707 Am a dor Regiona l Sa nitary Authority Da m Brea k Ana lysis\Ma p s\P1-P5 20180430 7707 ARSA HENDERSO N INUNDATIO N MAP.mxd
EXPLANATION
HENDERSO N RESERVO IRINUNDATED STRUCTURE LO CATIO N
SUNNY DAY BREACH INUNDATIO N (≥ 1 FT. DEPTH)
DISTANCE DO WNSTREAM FRO M DAM (MILES)D
RAILRO AD
DAMSTREAM CENTERLINE
CO UNTY BO UNDARIES
HIGHWAY SMAJO R RO ADSLO CAL STREETS
PRELIMINARY INUNDATIO N AREAS WERE PREPARED BY CO NDO R EARTH, APRIL 2018.THE NATIO NAL ELEVATIO N DATASET (NED), 1/3 ARC-SECO ND, IS THE PRIMARY ELEVATIO N DATA PRO DUCT PRO DUCED AND DISTRIBUTED BY THE USGS. HO RIZO NTAL DATUM NAME: NO RTH AMERICAN DATUM O F 1983. ALTITUDE DATUM NAME: NO RTH AMERICAN VERTICAL DATUM O F 1988.MAP CO MPILED IN GEO GRAPHIC CO O RDINATES, NAD 1983. PRO JECTIO N: LAMBERT CO NFO RMAL CO NIC – CALIFO RNIA STATE PLANE ZO NE 3 (FEET).
DATA SOURCES:
NOTE:BECAUSE O F THE METHO D, PRO CEDURES, AND ASSUMPTIO NS USED TO DEVELO P THE INUNDATIO N AREA THE LIMITS O F FLO O DING SHO WN AND FLO O D WAVE ARRIVAL TIMES ARE APPRO X IMATE AND SHO ULD BE USED O NLY AS A GUIDELINE FO R ESTABLISHING EVACUATIO N ZO NES. ACTUAL AREAS INUNDATED WILL DEPEND O N CO NDITIO NS DURING ACTUAL FAILURE AND MAY DIFFER FRO M AREAS SHO WN O N THE MAP.
HENDERSON DAM FAILURE
1 O F 5
D
D
D
ID: 2 MILES (DS HENDERSON RES.ARRIVAL TIME: 0.42 HRS.VELOCITY: 11.73 FPS.MAXIMUM DEPTH: 14.57 FT.WATER SURFACE ELEVATION: 591.86 FT.
ID: 3 MILES (DS HENDERSON RES.)ARRIVAL TIME: 0.5 HRS.VELOCITY: 15.28 FPS.MAXIMUM DEPTH: 12.72 FT.WATER SURFACE ELEVATION: 509.81 FT.
ID: 4 MILES (DS HENDERSON RES.)ARRIVAL TIME: 0.67 HRS.
VELOCITY: 6.98 FPS.MAXIMUM DEPTH: 19.7 FT.
WATER SURFACE ELEVATION: 467.63 FT.
ID: SUTTER IONE ROADARRIVAL TIME: 0.42 HRS.VELOCITY: 2.33 FPS.MAXIMUM DEPTH: 2.45 FT.WATER SURFACE ELEVATION: 638.51 FT.
ID: SUTTER IONE ROADARRIVAL TIME: 0.42 HRS.
VELOCITY: 9.76 FPS.MAXIMUM DEPTH: 3.96 FT.
WATER SURFACE ELEVATION: 565.71 FT.
ID: STRUCTUREARRIVAL TIME: 0.5 HRS.VELOCITY: 0.61 FPS.MAXIMUM DEPTH: 1.34 FT.WATER SURFACE ELEVATION: 532.34 FT.
ID: STATE HIGHWAY 124ARRIVAL TIME: 0.5 HRS.
VELOCITY: 13.01 FPS.MAXIMUM DEPTH: 12.3 FT.
WATER SURFACE ELEVATION: 526.93 FT.
ID: PRIVATE ROADARRIVAL TIME: 0.67 HRS.VELOCITY: 13.75 FPS.MAXIMUM DEPTH: 16.03 FT.WATER SURFACE ELEVATION: 468.66 FT.
ID: STRUCTUREARRIVAL TIME: 0.25 HRS.VELOCITY: 9.79 FPS.MAXIMUM DEPTH: 15.19 FT.WATER SURFACE ELEVATION: 660.09 FT.
ST124
Mou n t Ech
oRd Mt Echo Rd
Sutter Ione Rd
Water man Rd
Will
o wC r
e ek
Rd
Sta t
eHi
ghwa
y12
4
Jackass Creek
Mule Creek
Sourc e: Esri, Digita lGlob e, GeoEye, Earthstar Geogra p hic s, CNES/Airb us DS, USDA, USGS, AeroGRID,IGN, a nd the GIS User Com m unity
120.9° W
120.9° W
120.9083° W
120.9083° W
120.9167° W
120.9167° W
120.925° W
120.925° W38.3917° N
38.3917° N
38.3833° N
38.3833° N
38.375° N
38.375° N
38.3667° N
123
45
H E N D E RSONH E N D E RSONR E S E R VOIRR E S E R VOIR
S Mill St
Tonzi Rd
Waterm
an Rd
W Marle t te St
FiveMile
Dr
Carbondale Rd
Buena Vista Rd
Ione Rd
Willo
wCr
eek Rd
Old
Stockton Rd
I rish
H il lR
d
A m a dorA m a dorC o u ntyC o u nty
ST124
ST104
ST124
ST88
ST104
ST124
ST104
IoneIone
PANEL
t 0 1,000500Feet
PANEL LOCATOR
0 400200Meters
X :\GIS\7000_ PRJ\7707 Am a dor Regiona l Sa nitary Authority Da m Brea k Ana lysis\Ma p s\P1-P5 20180430 7707 ARSA HENDERSO N INUNDATIO N MAP.mxd
EXPLANATION
HENDERSO N RESERVO IRINUNDATED STRUCTURE LO CATIO N
SUNNY DAY BREACH INUNDATIO N (≥ 1 FT. DEPTH)
DISTANCE DO WNSTREAM FRO M DAM (MILES)D
RAILRO AD
DAMSTREAM CENTERLINE
CO UNTY BO UNDARIES
HIGHWAY SMAJO R RO ADSLO CAL STREETS
PRELIMINARY INUNDATIO N AREAS WERE PREPARED BY CO NDO R EARTH, APRIL 2018.THE NATIO NAL ELEVATIO N DATASET (NED), 1/3 ARC-SECO ND, IS THE PRIMARY ELEVATIO N DATA PRO DUCT PRO DUCED AND DISTRIBUTED BY THE USGS. HO RIZO NTAL DATUM NAME: NO RTH AMERICAN DATUM O F 1983. ALTITUDE DATUM NAME: NO RTH AMERICAN VERTICAL DATUM O F 1988.MAP CO MPILED IN GEO GRAPHIC CO O RDINATES, NAD 1983. PRO JECTIO N: LAMBERT CO NFO RMAL CO NIC – CALIFO RNIA STATE PLANE ZO NE 3 (FEET).
DATA SOURCES:
NOTE:BECAUSE O F THE METHO D, PRO CEDURES, AND ASSUMPTIO NS USED TO DEVELO P THE INUNDATIO N AREA THE LIMITS O F FLO O DING SHO WN AND FLO O D WAVE ARRIVAL TIMES ARE APPRO X IMATE AND SHO ULD BE USED O NLY AS A GUIDELINE FO R ESTABLISHING EVACUATIO N ZO NES. ACTUAL AREAS INUNDATED WILL DEPEND O N CO NDITIO NS DURING ACTUAL FAILURE AND MAY DIFFER FRO M AREAS SHO WN O N THE MAP.
HENDERSON DAM FAILURE
2 O F 5
D
D
D
ID: 5 MILES (DS HENDERSON RES.)ARRIVAL TIME: 0.83 HRS.
VELOCITY: 6.87 FPS.MAXIMUM DEPTH: 19.67 FT.
WATER SURFACE ELEVATION: 429.82 FT.
ID: 6 MILES (DS HENDERSON RES.)ARRIVAL TIME: 0.92 HRS.VELOCITY: 8.17 FPS.MAXIMUM DEPTH: 11.52 FT.WATER SURFACE ELEVATION: 341.42 FT.
ID: 7 MILES (DS HENDERSON RES.)ARRIVAL TIME: 1.08 HRS.VELOCITY: 6.54 FPS.MAXIMUM DEPTH: 8.12 FT.WATER SURFACE ELEVATION: 299.06 FT.
ID: 8 MILES (DS HENDERSON RES.)ARRIVAL TIME: 1.33 HRS.VELOCITY: 5.75 FPS.MAXIMUM DEPTH: 5.15 FT.WATER SURFACE ELEVATION: 275.87 FT.
ID: BRIDGEARRIVAL TIME: 1 HRS.VELOCITY: 11.22 FPS.MAXIMUM DEPTH: 6.97 FT.WATER SURFACE ELEVATION: 328.22 FT.
ID: PRIVATE ROADARRIVAL TIME: 1 HRS.
VELOCITY: 7.32 FPS.MAXIMUM DEPTH: 5.2 FT.
WATER SURFACE ELEVATION: 325.89 FT.
ID: STRUCTUREARRIVAL TIME: 1.08 HRS.VELOCITY: 1.2 FPS.MAXIMUM DEPTH: 0.59 FT.WATER SURFACE ELEVATION: 319.65 FT.
ID: PRIVATE ROADARRIVAL TIME: 1.08 HRS.
VELOCITY: 3.07 FPS.MAXIMUM DEPTH: 3.02 FT.
WATER SURFACE ELEVATION: 305.55 FT.
ID: POWER STRUCTUREARRIVAL TIME: 1.17 HRS.
VELOCITY: 3.13 FPS.MAXIMUM DEPTH: 1.93 FT.
WATER SURFACE ELEVATION: 295.68 FT.
ID: PARKING AREA (MULE CREEK STATE PRISON)ARRIVAL TIME: 1.25 HRS.VELOCITY: 2.49 FPS.MAXIMUM DEPTH: 1.54 FT.WATER SURFACE ELEVATION: 293.88 FT.
ID: PRESTON AVE. (STATE HIGHWAY 104)ARRIVAL TIME: 1.25 HRS.
VELOCITY: 7.96 FPS.MAXIMUM DEPTH: 5.75 FT.
WATER SURFACE ELEVATION: 286.79 FT.
ID: STATE HIGHWAY 104 / CASTLE OAKS DRIVEARRIVAL TIME: 1.25 HRS.VELOCITY: 1.6 FPS.MAXIMUM DEPTH: 1.47 FT.WATER SURFACE ELEVATION: 286.75 FT.
ID: ROAD (MULE CREEK STATE PRISON)ARRIVAL TIME: 1.25 HRS.
VELOCITY: 0.65 FPS.MAXIMUM DEPTH: 0.32 FT.
WATER SURFACE ELEVATION: 290.53 FT.ST104
ST104
Coll i
nsRd
Preston Creek
Mule C
reek
Dry Creek
Sourc e: Esri, Digita lGlob e, GeoEye, Earthstar Geogra p hic s, CNES/Airb us DS, USDA, USGS, AeroGRID,IGN, a nd the GIS User Com m unity
120.9333° W
120.9333° W
120.9417° W
120.9417° W
120.95° W
120.95° W
120.9583° W
120.9583° W
120.9667° W
120.9667° W38.3917° N
38.3917° N
38.3833° N
38.3833° N
38.375° N
38.375° N
38.3667° N
123
45
H E N D E RSONH E N D E RSONR E S E R VOIRR E S E R VOIR
S Mill St
Tonzi Rd
Waterm
an Rd
W Marle t te St
FiveMile
Dr
Carbondale Rd
Buena Vista Rd
Ione Rd
Willo
wCr
eek Rd
Old
Stockton Rd
I rish
H il lR
d
A m a dorA m a dorC o u ntyC o u nty
ST124
ST104
ST124
ST88
ST104
ST124
ST104
IoneIone
PANEL
t 0 1,000500Feet
PANEL LOCATOR
0 400200Meters
X :\GIS\7000_ PRJ\7707 Am a dor Regiona l Sa nitary Authority Da m Brea k Ana lysis\Ma p s\P1-P5 20180430 7707 ARSA HENDERSO N INUNDATIO N MAP.mxd
EXPLANATION
HENDERSO N RESERVO IRINUNDATED STRUCTURE LO CATIO N
SUNNY DAY BREACH INUNDATIO N (≥ 1 FT. DEPTH)
DISTANCE DO WNSTREAM FRO M DAM (MILES)D
RAILRO AD
DAMSTREAM CENTERLINE
CO UNTY BO UNDARIES
HIGHWAY SMAJO R RO ADSLO CAL STREETS
PRELIMINARY INUNDATIO N AREAS WERE PREPARED BY CO NDO R EARTH, APRIL 2018.THE NATIO NAL ELEVATIO N DATASET (NED), 1/3 ARC-SECO ND, IS THE PRIMARY ELEVATIO N DATA PRO DUCT PRO DUCED AND DISTRIBUTED BY THE USGS. HO RIZO NTAL DATUM NAME: NO RTH AMERICAN DATUM O F 1983. ALTITUDE DATUM NAME: NO RTH AMERICAN VERTICAL DATUM O F 1988.MAP CO MPILED IN GEO GRAPHIC CO O RDINATES, NAD 1983. PRO JECTIO N: LAMBERT CO NFO RMAL CO NIC – CALIFO RNIA STATE PLANE ZO NE 3 (FEET).
DATA SOURCES:
NOTE:BECAUSE O F THE METHO D, PRO CEDURES, AND ASSUMPTIO NS USED TO DEVELO P THE INUNDATIO N AREA THE LIMITS O F FLO O DING SHO WN AND FLO O D WAVE ARRIVAL TIMES ARE APPRO X IMATE AND SHO ULD BE USED O NLY AS A GUIDELINE FO R ESTABLISHING EVACUATIO N ZO NES. ACTUAL AREAS INUNDATED WILL DEPEND O N CO NDITIO NS DURING ACTUAL FAILURE AND MAY DIFFER FRO M AREAS SHO WN O N THE MAP.
HENDERSON DAM FAILURE
3 O F 5
D
ID: 8 MILES (DS HENDERSON RES.)ARRIVAL TIME: 1.33 HRS.VELOCITY: 5.75 FPS.MAXIMUM DEPTH: 5.15 FT.WATER SURFACE ELEVATION: 275.87 FT.
ID: PRESTON AVE. (STATE HIGHWAY 104)ARRIVAL TIME: 1.25 HRS.
VELOCITY: 7.96 FPS.MAXIMUM DEPTH: 5.75 FT.
WATER SURFACE ELEVATION: 286.79 FT.
ID: STATE HIGHWAY 104 / CASTLE OAKS DRIVEARRIVAL TIME: 1.25 HRS.VELOCITY: 1.6 FPS.MAXIMUM DEPTH: 1.47 FT.WATER SURFACE ELEVATION: 286.75 FT.
ID: STRUCTURE (CASTLE OAKS GOLF COURSE)ARRIVAL TIME: 1.42 HRS.VELOCITY: 0.81 FPS.MAXIMUM DEPTH: 0.59 FT.WATER SURFACE ELEVATION: 284.75 FT.
ID: STRUCTURE - CASTLE OAKS GOLF COURSEARRIVAL TIME: 1.42 HRS.VELOCITY: 1.2 FPS.MAXIMUM DEPTH: 0.72 FT.WATER SURFACE ELEVATION: 278.37 FT.
ID: SUBDIVISION - CASTLE OAKS GOLF CLUBARRIVAL TIME: 1.42 HRS.VELOCITY: 3.52 FPS.MAXIMUM DEPTH: 1.74 FT.WATER SURFACE ELEVATION: 276.02 FT.
ID: SUBDIVISION - UNDER CONSTRUCTIONARRIVAL TIME: 1.42 HRS.VELOCITY: 2.43 FPS.MAXIMUM DEPTH: 4.05 FT.WATER SURFACE ELEVATION: 266.87 FT.
ID: FIVE MILE DRIVE / FIVE MILE COURTARRIVAL TIME: 1.67 HRS.VELOCITY: 1.34 FPS.MAXIMUM DEPTH: 1.1 FT.WATER SURFACE ELEVATION: 266.75 FT.
ID: DRY CREEK / W. MARLETTE STREETARRIVAL TIME: 1.58 HRS.VELOCITY: 2.13 FPS.MAXIMUM DEPTH: 5.51 FT.WATER SURFACE ELEVATION: 266.79 FT.
ID: STRUCTURE - IONE WASTE WATER TREATMENTARRIVAL TIME: 1.83 HRS.VELOCITY: 0.92 FPS.MAXIMUM DEPTH: 0.72 FT.WATER SURFACE ELEVATION: 266.31 FT.
ID: STRUCTUREARRIVAL TIME: 1.58 HRS.VELOCITY: 2.54 FPS.MAXIMUM DEPTH: 3.15 FT.WATER SURFACE ELEVATION: 266.8 FT.
ID: STRUCTURE - IONE WASTE WATER TREATMENTARRIVAL TIME: 1.58 HRS.VELOCITY: 3.2 FPS.MAXIMUM DEPTH: 1.01 FT.WATER SURFACE ELEVATION: 263.83 FT.
ST104
ST104
ST124
ST124
Cove
yCt
Dove Ln
MeadowWoodLn
NChurch
StTre g askis
L n
CraigDr
Stacy Rd
Birc
hwoo
dCt
N IoneSt
Depot Rd
Poplar St
Welch Ln
BrookviewCt
WalnutSt
Cotto
nwoo
dCtMaple St
WMarket
StN
Summ
it St
S Mill St
Veter
an
s
Cir
N Arroyo Seco St
Viol
et Ln
Brier
wood
Way
S Summit St
Heath Dr
W Pl ym outh Hwy
Poppy LnOakshire Dr
Nuner Dr
E Main St
Sto nybro
okDr
SArroyo
SecoSt
Amador St
Shakeley Ln
Manor
Dr
Circle Dr
Plea
sant
Valle
y Dr
Sprin
gcree
kDr
Brickyard Rd
Palm
Dr
Sutte
r Ln
Edgebro
okDr
Castle Oaks DrFairway Dr
MainSt
SIoneSt
W Jackson St
Footh i l l B lvd
SChur ch
St
Preston Ave
Five Mile Dr
Five Mile
Dr
E Plymouth Hwy
Old
Stoc
kton
Rd
Waterm
anRd
W Marlet te St
Reach
Sutter Creek
Mule
Creek
Preston Creek
Sourc e: Esri, Digita lGlob e, GeoEye, Earthstar Geogra p hic s, CNES/Airb us DS, USDA, USGS, AeroGRID,IGN, a nd the GIS User Com m unity
120.9333° W
120.9333° W
120.9417° W
120.9417° W
120.95° W
120.95° W
120.9583° W
120.9583° W120.9667° W
38.3667° N
38.3583° N
38.3583° N
38.35° N
38.35° N
38.3417° N
38.3417° N
123
45
H E N D E RSONH E N D E RSONR E S E R VOIRR E S E R VOIR
S Mill St
Tonzi Rd
Waterm
an Rd
W Marle t te St
FiveMile
Dr
Carbondale Rd
Buena Vista Rd
Ione Rd
Willo
wCr
eek Rd
Old
Stockton Rd
I rish
H il lR
d
A m a dorA m a dorC o u ntyC o u nty
ST124
ST104
ST124
ST88
ST104
ST124
ST104
IoneIone
PANEL
t 0 1,000500Feet
PANEL LOCATOR
0 400200Meters
X :\GIS\7000_ PRJ\7707 Am a dor Regiona l Sa nitary Authority Da m Brea k Ana lysis\Ma p s\P1-P5 20180430 7707 ARSA HENDERSO N INUNDATIO N MAP.mxd
EXPLANATION
HENDERSO N RESERVO IRINUNDATED STRUCTURE LO CATIO N
SUNNY DAY BREACH INUNDATIO N (≥ 1 FT. DEPTH)
DISTANCE DO WNSTREAM FRO M DAM (MILES)D
RAILRO AD
DAMSTREAM CENTERLINE
CO UNTY BO UNDARIES
HIGHWAY SMAJO R RO ADSLO CAL STREETS
PRELIMINARY INUNDATIO N AREAS WERE PREPARED BY CO NDO R EARTH, APRIL 2018.THE NATIO NAL ELEVATIO N DATASET (NED), 1/3 ARC-SECO ND, IS THE PRIMARY ELEVATIO N DATA PRO DUCT PRO DUCED AND DISTRIBUTED BY THE USGS. HO RIZO NTAL DATUM NAME: NO RTH AMERICAN DATUM O F 1983. ALTITUDE DATUM NAME: NO RTH AMERICAN VERTICAL DATUM O F 1988.MAP CO MPILED IN GEO GRAPHIC CO O RDINATES, NAD 1983. PRO JECTIO N: LAMBERT CO NFO RMAL CO NIC – CALIFO RNIA STATE PLANE ZO NE 3 (FEET).
DATA SOURCES:
NOTE:BECAUSE O F THE METHO D, PRO CEDURES, AND ASSUMPTIO NS USED TO DEVELO P THE INUNDATIO N AREA THE LIMITS O F FLO O DING SHO WN AND FLO O D WAVE ARRIVAL TIMES ARE APPRO X IMATE AND SHO ULD BE USED O NLY AS A GUIDELINE FO R ESTABLISHING EVACUATIO N ZO NES. ACTUAL AREAS INUNDATED WILL DEPEND O N CO NDITIO NS DURING ACTUAL FAILURE AND MAY DIFFER FRO M AREAS SHO WN O N THE MAP.
HENDERSON DAM FAILURE
4 O F 5
D
D
D
D
ID: 9 MILES (DS HENDERSON RES.)ARRIVAL TIME: 1.75 HRS.VELOCITY: 3.19 FPS.MAXIMUM DEPTH: 1.92 FT.WATER SURFACE ELEVATION: 256.2 FT.
ID: 10 MILES (DS HENDERSON RES.)ARRIVAL TIME: 2.33 HRS.VELOCITY: 3.41 FPS.MAXIMUM DEPTH: 5.44 FT.WATER SURFACE ELEVATION: 243.78 FT.
ID: 11 MILES (DS HENDERSON RES.)ARRIVAL TIME: 2.92 HRS.VELOCITY: 3.45 FPS.MAXIMUM DEPTH: 2.53 FT.WATER SURFACE ELEVATION: 225.03 FT.
ID: SOUTHERN PACIFIC RAILROAD / MULE CREEKARRIVAL TIME: 1.83 HRS.VELOCITY: 2.2 FPS.MAXIMUM DEPTH: 2.37 FT.WATER SURFACE ELEVATION: 255.37 FT.
ID: LOWER REACHARRIVAL TIME: 2.33 HRS.VELOCITY: 1.1 FPS.MAXIMUM DEPTH: 1.02 FT.WATER SURFACE ELEVATION: 253.36 FT.
ID: SOUTHERN PACIFIC RAILROADARRIVAL TIME: 2.67 HRS.VELOCITY: 1.06 FPS.MAXIMUM DEPTH: 2.52 FT.WATER SURFACE ELEVATION: 243.86 FT.
ID: STRUCTURE - DUTSCHKE ROADARRIVAL TIME: 2.58 HRS.VELOCITY: 2.01 FPS.MAXIMUM DEPTH: 2.26 FT.WATER SURFACE ELEVATION: 235.38 FT.
ID: LOCH LANEARRIVAL TIME: 3 HRS.VELOCITY: 0.35 FPS.MAXIMUM DEPTH: 1.36 FT.WATER SURFACE ELEVATION: 225.33 FT.
ID: STRUCTURE - IONE WASTE WATER TREATMENTARRIVAL TIME: 1.83 HRS.VELOCITY: 0.92 FPS.MAXIMUM DEPTH: 0.72 FT.WATER SURFACE ELEVATION: 266.31 FT.
ID: STRUCTURE - IONE WASTE WATER TREATMENTARRIVAL TIME: 1.58 HRS.VELOCITY: 3.2 FPS.MAXIMUM DEPTH: 1.01 FT.WATER SURFACE ELEVATION: 263.83 FT.
ID: SOUTHERN PACIFIC RAILROAD / DRY CREEKARRIVAL TIME: 1.83 HRS.VELOCITY: 2.74 FPS.MAXIMUM DEPTH: 3.11 FT.WATER SURFACE ELEVATION: 255.46 FT.
ID: FIVE MILE DRIVEARRIVAL TIME: 1.67 HRS.VELOCITY: 3.57 FPS.MAXIMUM DEPTH: 1.37 FT.WATER SURFACE ELEVATION: 258.22 FT.
Winter
Rd
Duts
chke
Rd
5 Mile Dr
4WD
Road
Loch Ln
Five Mile Dr
Dry Cre
ek
Dutschke Creek
Mule Creek
Dry Creek
Sutter Creek
Reach
Sourc e: Esri, Digita lGlob e, GeoEye, Earthstar Geogra p hic s, CNES/Airb us DS, USDA, USGS, AeroGRID,IGN, a nd the GIS User Com m unity
120.9667° W
120.9667° W
120.975° W
120.975° W
120.9833° W
120.9833° W
120.9917° W
120.9917° W
121° W
121° W38.3667° N
38.3583° N
38.3583° N
38.35° N
38.35° N
38.3417° N
38.3417° N
123
45
H E N D E RSONH E N D E RSONR E S E R VOIRR E S E R VOIR
S Mill St
Tonzi Rd
Waterm
an Rd
W Marle t te St
FiveMile
Dr
Carbondale Rd
Buena Vista Rd
Ione Rd
Willo
wCr
eek Rd
Old
Stockton Rd
I rish
H il lR
d
A m a dorA m a dorC o u ntyC o u nty
ST124
ST104
ST124
ST88
ST104
ST124
ST104
IoneIone
PANEL
t 0 1,000500Feet
PANEL LOCATOR
0 400200Meters
X :\GIS\7000_ PRJ\7707 Am a dor Regiona l Sa nitary Authority Da m Brea k Ana lysis\Ma p s\P1-P5 20180430 7707 ARSA HENDERSO N INUNDATIO N MAP.mxd
EXPLANATION
HENDERSO N RESERVO IRINUNDATED STRUCTURE LO CATIO N
SUNNY DAY BREACH INUNDATIO N (≥ 1 FT. DEPTH)
DISTANCE DO WNSTREAM FRO M DAM (MILES)D
RAILRO AD
DAMSTREAM CENTERLINE
CO UNTY BO UNDARIES
HIGHWAY SMAJO R RO ADSLO CAL STREETS
PRELIMINARY INUNDATIO N AREAS WERE PREPARED BY CO NDO R EARTH, APRIL 2018.THE NATIO NAL ELEVATIO N DATASET (NED), 1/3 ARC-SECO ND, IS THE PRIMARY ELEVATIO N DATA PRO DUCT PRO DUCED AND DISTRIBUTED BY THE USGS. HO RIZO NTAL DATUM NAME: NO RTH AMERICAN DATUM O F 1983. ALTITUDE DATUM NAME: NO RTH AMERICAN VERTICAL DATUM O F 1988.MAP CO MPILED IN GEO GRAPHIC CO O RDINATES, NAD 1983. PRO JECTIO N: LAMBERT CO NFO RMAL CO NIC – CALIFO RNIA STATE PLANE ZO NE 3 (FEET).
DATA SOURCES:
NOTE:BECAUSE O F THE METHO D, PRO CEDURES, AND ASSUMPTIO NS USED TO DEVELO P THE INUNDATIO N AREA THE LIMITS O F FLO O DING SHO WN AND FLO O D WAVE ARRIVAL TIMES ARE APPRO X IMATE AND SHO ULD BE USED O NLY AS A GUIDELINE FO R ESTABLISHING EVACUATIO N ZO NES. ACTUAL AREAS INUNDATED WILL DEPEND O N CO NDITIO NS DURING ACTUAL FAILURE AND MAY DIFFER FRO M AREAS SHO WN O N THE MAP.
HENDERSON DAM FAILURE
5 O F 5
D
D
D
D
D
Ð
ID: NORTHWOODS WAYMain Dam
Arrival Time: 0.42 HRSDepth: 1.7 FT
Velocity: 1.7 FPSWater Surface Elevation: 273.9 FT
Ð
ID: SADDLE DAM: 0.5 MILES DOWNSTREAMMain DamArrival Time: 0.17 HRSDepth: 4.4 FTVelocity: 7.9 FPSWater Surface Elevation: 308.8 FTSaddle DamArrival Time: 0.17 HRSDepth: 2.9 FTVelocity: 7.0 FPSWater Surface Elevation: 307.3 FT
Ð
ID: MAIN DAM: 0.5 MILES DOWNSTREAMMain DamArrival Time: 0.25 HRSDepth: 3.8 FTVelocity: 10.6 FPSWater Surface Elevation: 292.5 FTSaddle DamArrival Time: 0.25 HRSDepth: 1.8 FTVelocity: 5.6 FPSWater Surface Elevation: 290.5 FT
Ð
ID: HIGHWAY 104Main DamArrival Time: 0.25 HRSDepth: 3.6 FTVelocity: 8.8 FPSWater Surface Elevation: 288.3 FTSaddle DamArrival Time: 0.25 HRSDepth: 1.8 FTVelocity: 6.0 FPSWater Surface Elevation: 286.5 FT
Ð
ID: FAIRWAY DRMain DamArrival Time: 0.25 HRSDepth: 5.4 FTVelocity: 10.1 FPSWater Surface Elevation: 285.9 FTSaddle DamArrival Time: 0.33 HRSDepth: 4.2 FTVelocity: 7.6 FPSWater Surface Elevation: 284.6 FT
Ð
ID: SADDLE DAM: 1.0 MILES DOWNSTREAMMain DamArrival Time: 0.25 HRSDepth: 4.4 FTVelocity: 14.7 FPSWater Surface Elevation: 283.3 FTSaddle DamArrival Time: 0.33 HRSDepth: 3.3 FTVelocity: 11.8 FPSWater Surface Elevation: 282.2 FT
Ð
ID: CASTLE OAKS DRMain DamArrival Time: 0.42 HRSDepth: 1.2 FTVelocity: 2.8 FPSWater Surface Elevation: 275.9 FT
Ð
ID: SPYGLASS DRMain Dam
Arrival Time: 0.42 HRSDepth: 1.1 FT
Velocity: 0.8 FPSWater Surface Elevation: 275.1 FT
Ð
ID: CASTLE OAKS DRMain Dam
Arrival Time: 0.25 HRSDepth: 3.1 FT
Velocity: 4.0 FPSWater Surface Elevation: 287.4 FT
Saddle DamArrival Time: 0.33 HRS
Depth: 1.5 FTVelocity: 1.8 FPS
Water Surface Elevation: 285.8 FT
Ð
ID: MAIN DAM: 1.0 MILES DOWNSTREAMMain DamArrival Time: 0.33 HRSDepth: 4.2 FTVelocity: 3.5 FPSWater Surface Elevation: 276.3 FTSaddle DamArrival Time: 0.42 HRSDepth: 3.1 FTVelocity: 2.4 FPSWater Surface Elevation: 275.2 FT
Ð
Ð
ID: BRIDGE AT HWY 104Main DamArrival Time: 0.42Depth: 2.3Velocity: 4.4Water Surface Elevation: 283.4
SutterLn
Waterman
Rd
Poplar St
Lakeview Dr
PinehurstCt
WalnutSt
Vista Ln
Roger
St Wilda
Ct
FairwayDr
Pinnacle
Ln
Raymond
Dr
Quail
Ct
NunerDr
CastleOaksDr
Ashworth Dr
Preston Ave
OakridgeDr
Heath Dr
OakViewDr
Pleasant
Valley Dr
Oakridge
Dr
ÄÅ124
ÄÅ104
Source: Esri, DigitalGlobe, GeoEye, Earthstar Geographics, CNES/Airbus DS, USDA, USGS, AeroGRID, IGN, and the GIS User Community
38.3666°N
38.3583°N
38.3666°N
38.3583°N
120.9417°W120.95°W
120.9417°W120.95°W
ÄÅ104
ÄÅ124ÄÅ124
Sources: Esri, HERE, Garmin, USGS, Intermap, INCREMENT P, NRCan, Esri Japan, METI, Esri China (Hong Kong), Esri Korea, Esri (Thailand), NGCC, ©OpenStreetMap contributors, and the GIS User Community
X:\GIS\7000_PRJ\7921_Preston_Dam_Inundation\Preston_Dam_Inundation_7921.aprx
12
34
Panel Locator
Preston Dam Break Inundation Map
Panel 1 of 4
AMADOR COUNTYDSOD DAM # 2029.003NID # CA0001219 Mar 2019
Sunny Day Dam Failure Scenario
Legend
D Main Dam Half Mile Measures
D Saddle Dam Half Mile Measures
Main Dam
Saddle Dam
Stream Centerlines
Highway
Major Road
Minor Road
Railroads
Main Dam Sunnyday Breach
Saddle Dam Sunnyday Breach
Inundated Structures Both Scenarios
Main Dam Inundated Structures
Saddle Dam Inundated Structures
Preston Reservoir
0 1,200600
Feet
PRELIMINARY INUNDATION AREAS WERE PREPARED BY CONDOR EARTH, MARCH 2019.LIDAR SCENES WERE PROCESSED INTO A DEM, AS THE PRIMARY ELEVATION DATA PRODUCT PRODUCED ANDDISTRIBUTED BY THE USGS. HORIZONTAL DATUM NAME: NORTH AMERICAN DATUM OF 1983.ALTITUDE DATUM NAME: NORTH AMERICAN VERTICAL DATUM OF 1988.
MAP COMPILED IN GEOGRAPHIC COORDINATES, NAD 1983. PROJECTION: LAMBERT CONFORMAL CONIC –CALIFORNIA STATE PLANE ZONE 2 (FEET).
DATA SOURCES:
NOTE:BECAUSE OF THE METHOD, PROCEDURES, AND ASSUMPTIONS USED TO DEVELOP THE INUNDATION AREA,THE LIMITS OF FLOODING SHOWN AND FLOOD WAVE ARRIVAL TIMES ARE APPROXIMATE AND SHOULD BE USEDONLY AS A GUIDELINE FOR ESTABLISHING EVACUATION ZONES. ACTUAL AREAS INUNDATED WILL DEPENDON CONDITIONS DURING ACTUAL FAILURE AND MAY DIFFER FROM AREAS SHOWN ON THE MAP.THE INUNDATION AREA SHOWN IS BASED ON THE RELEASE VOLUME OF 270 ACRE-FEET WHICH IS EQUIVALENTTO A RESERVOIR POOL ELEVATION AT THE DAM CREST.
Signed: 19 MAR 2019
Reference Scale: 1:7,200
D
DD
D
D
Ð
ID: NORTHWOODS WAYMain Dam
Arrival Time: 0.42 HRSDepth: 1.7 FT
Velocity: 1.7 FPSWater Surface Elevation: 273.9 FT
Ð
ID: MAIN DAM: 1.5 MILES DOWNSTREAMMain Dam
Arrival Time: 0.50 HRSDepth: 4.3 FT
Velocity: 5.1 FPSWater Surface Elevation: 266.5 FT
Saddle DamArrival Time: 0.67 HRS
Depth: 3.1 FTVelocity: 3.6 FPS
Water Surface Elevation: 265.3 FT
Ð
ID: MAIN DAM: 2.0 MILES DOWNSTREAMMain DamArrival Time: 0.67 HRSDepth: 2.2 FTVelocity: 2.5 FPSWater Surface Elevation: 259.1 FTSaddle DamArrival Time: 0.92 HRSDepth: 1.6 FTVelocity: 1.9 FPSWater Surface Elevation: 258.5 FT
Ð
ID: FIVE MILE DRMain DamArrival Time: 0.75 HRSDepth: 2.0 FTVelocity: 3.5 FPSWater Surface Elevation: 257.7 FTSaddle DamArrival Time: 1.00 HRSDepth: 1.5 FTVelocity: 2.7 FPSWater Surface Elevation: 257.1 FT
ID: SADDLE DAM: 3.0 MILES DOWNSTREAMMain DamArrival Time: 1.25 HRSDepth: 1.0 FTVelocity: 1.9 FPSWater Surface Elevation: 245.8 FTSaddle DamArrival Time: 1.92 HRSDepth: 0.0 FTVelocity: 0.0 FPSWater Surface Elevation: 0.0 FT
Ð
ID: CASTLE OAKS DRMain DamArrival Time: 0.42 HRSDepth: 1.2 FTVelocity: 2.8 FPSWater Surface Elevation: 275.9 FT
Ð
ID: SPYGLASS DRMain Dam
Arrival Time: 0.42 HRSDepth: 1.1 FT
Velocity: 0.8 FPSWater Surface Elevation: 275.1 FT
Ð
ID: PEBBLE BEACH CTMain Dam
Arrival Time: 0.50 HRSDepth: 1.1 FT
Velocity: 0.8 FPSWater Surface Elevation: 274.5 FT
Ð
ID: FIVE MILE CTMain Dam
Arrival Time: 0.58 HRSDepth: 1.7 FT
Velocity: 2.8 FPSWater Surface Elevation: 266.0 FT
Ð
ID: SHAKELEY LNMain Dam
Arrival Time: 0.50 HRSDepth: 3.3 FT
Velocity: 2.5 FPSWater Surface Elevation: 267.0 FT
Saddle DamArrival Time: 0.58 HRS
Depth: 2.1 FTVelocity: 1.7 FPS
Water Surface Elevation: 265.9 FT
Ð
ID: BRIDGE AT FIVE MILE DRMain DamArrival Time: 0.58 HRSDepth: 6.3 FTVelocity: 4.3 FPSWater Surface Elevation: 265.9 FTSaddle DamArrival Time: 0.83 HRSDepth: 4.5 FTVelocity: 2.9 FPSWater Surface Elevation: 264.1 FT
Ð
ID: SADDLE DAM: 1.5 MILES DOWNSTREAMMain Dam
Arrival Time: 0.42 HRSDepth: 1.9 FT
Velocity: 5.5 FPSWater Surface Elevation: 271.0 FT
Saddle DamArrival Time: 0.58 HRS
Depth: 1.1 FTVelocity: 3.7 FPS
Water Surface Elevation: 270.2 FT
Ð
ID: SADDLE DAM: 2.0 MILES DOWNSTREAMMain DamArrival Time: 0.58 HRSDepth: 4.4 FTVelocity: 3.5 FPSWater Surface Elevation: 265.5 FTSaddle DamArrival Time: 0.83 HRSDepth: 3.4 FTVelocity: 2.4 FPSWater Surface Elevation: 264.6 FT
Ð
ID: SADDLE DAM: 2.5 MILES DOWNSTREAMMain DamArrival Time: 0.83 HRSDepth: 1.5 FTVelocity: 2.0 FPSWater Surface Elevation: 256.1 FTSaddle DamArrival Time: 1.08 HRSDepth: 1.1 FTVelocity: 1.6 FPSWater Surface Elevation: 255.7 FT
Ð
ID: UNION PACIFIC RAILROAD BRIDGEMain Dam
Arrival Time: 0.92Depth: 2.5
Velocity: 1.5Water Surface Elevation: 254.8
Saddle DamArrival Time: 1.25
Depth: 1.7Velocity: 1
Water Surface Elevation: 254.1
Ð
CT
W MarletteSt
PebbleBeachCt
CT
Five
Mile Ct
SpyglassDr Castle
Oaks
Dr
Northwoods Way
ProutyRd
ShakeleyLn
Five Mile Dr
ÄÅ104
Ione City Limits
Source: Esri, DigitalGlobe, GeoEye, Earthstar Geographics, CNES/Airbus DS, USDA, USGS, AeroGRID, IGN, and the GIS User Community
38.3666°N
38.3583°N
38.3666°N
38.3583°N
120.9584°W120.9667°W
120.9584°W120.9667°W
ÄÅ104
ÄÅ124ÄÅ124
Sources: Esri, HERE, Garmin, USGS, Intermap, INCREMENT P, NRCan, Esri Japan, METI, Esri China (Hong Kong), Esri Korea, Esri (Thailand), NGCC, ©OpenStreetMap contributors, and the GIS User Community
X:\GIS\7000_PRJ\7921_Preston_Dam_Inundation\Preston_Dam_Inundation_7921.aprx
12
34
Panel Locator
Preston Dam Break Inundation Map
Panel 2 of 4
AMADOR COUNTYDSOD DAM # 2029.003NID # CA0001219 Mar 2019
Sunny Day Dam Failure Scenario
Legend
D Main Dam Half Mile Measures
D Saddle Dam Half Mile Measures
Main Dam
Saddle Dam
Stream Centerlines
Highway
Major Road
Minor Road
Railroads
Main Dam Sunnyday Breach
Saddle Dam Sunnyday Breach
Inundated Structures Both Scenarios
Main Dam Inundated Structures
Saddle Dam Inundated Structures
Preston Reservoir
0 1,200600
Feet
PRELIMINARY INUNDATION AREAS WERE PREPARED BY CONDOR EARTH, MARCH 2019.LIDAR SCENES WERE PROCESSED INTO A DEM, AS THE PRIMARY ELEVATION DATA PRODUCT PRODUCED ANDDISTRIBUTED BY THE USGS. HORIZONTAL DATUM NAME: NORTH AMERICAN DATUM OF 1983.ALTITUDE DATUM NAME: NORTH AMERICAN VERTICAL DATUM OF 1988.
MAP COMPILED IN GEOGRAPHIC COORDINATES, NAD 1983. PROJECTION: LAMBERT CONFORMAL CONIC –CALIFORNIA STATE PLANE ZONE 2 (FEET).
DATA SOURCES:
NOTE:BECAUSE OF THE METHOD, PROCEDURES, AND ASSUMPTIONS USED TO DEVELOP THE INUNDATION AREA,THE LIMITS OF FLOODING SHOWN AND FLOOD WAVE ARRIVAL TIMES ARE APPROXIMATE AND SHOULD BE USEDONLY AS A GUIDELINE FOR ESTABLISHING EVACUATION ZONES. ACTUAL AREAS INUNDATED WILL DEPENDON CONDITIONS DURING ACTUAL FAILURE AND MAY DIFFER FROM AREAS SHOWN ON THE MAP.THE INUNDATION AREA SHOWN IS BASED ON THE RELEASE VOLUME OF 270 ACRE-FEET WHICH IS EQUIVALENTTO A RESERVOIR POOL ELEVATION AT THE DAM CREST.
Signed: 19 MAR 2019
Reference Scale: 1:7,200
D
D
D
D
ÐID: MAIN DAM: 2.5 MILES DOWNSTREAM
Main DamArrival Time: 1.08 HRS
Depth: 2.0 FTVelocity: 3.0 FPS
Water Surface Elevation: 253.4 FTSaddle Dam
Arrival Time: 1.42 HRSDepth: 1.5 FT
Velocity: 2.5 FPSWater Surface Elevation: 252.9 FT
Ð
ID: SADDLE DAM: 3.0 MILES DOWNSTREAMMain DamArrival Time: 1.25 HRSDepth: 1.0 FTVelocity: 1.9 FPSWater Surface Elevation: 245.8 FTSaddle DamArrival Time: 1.92 HRSDepth: 0.0 FTVelocity: 0.0 FPSWater Surface Elevation: 0.0 FTÐ
ID: SADDLE DAM: 3.5 MILES DOWNSTREAMMain Dam
Arrival Time: 1.58 HRSDepth: 2.9 FT
Velocity: 5.6 FPSWater Surface Elevation: 237.1 FT
Saddle DamArrival Time: 2.08 HRS
Depth: 2.3 FTVelocity: 4.4 FPS
Water Surface Elevation: 236.5 FT
Ð
ID: MAIN DAM: 3.0 MILES DOWNSTREAMMain Dam
Arrival Time: 1.58 HRSDepth: 1.1 FT
Velocity: 1.7 FPSWater Surface Elevation: 243.3 FT
Saddle DamArrival Time: 1.92 HRS
Depth: 2.1 FTVelocity: 1.8 FPS
Water Surface Elevation: 0.0 FT
ID: PRIVATE RIVER CROSSINGMain DamArrival Time: 2Depth: 2.2Velocity: 1.8Water Surface Elevation: 224.7Saddle DamArrival Time: 2.75Depth: 1.6Velocity: 1.1Water Surface Elevation: 224.1
Ð
ID: UNION PACIFIC RAILROAD BRIDGEMain DamArrival Time: 1.92Depth: 1.8Velocity: 0.8Water Surface Elevation: 243
Prouty Rd
Dutschke
Rd
Source: Esri, DigitalGlobe, GeoEye, Earthstar Geographics, CNES/Airbus DS, USDA, USGS, AeroGRID, IGN, and the GIS User Community
38.3583°N
38.35°N
38.3583°N
38.35°N
120.9751°W120.9834°W
120.9751°W120.9834°W
ÄÅ104
ÄÅ124ÄÅ124
Sources: Esri, HERE, Garmin, USGS, Intermap, INCREMENT P, NRCan, Esri Japan, METI, Esri China (Hong Kong), Esri Korea, Esri (Thailand), NGCC, ©OpenStreetMap contributors, and the GIS User Community
X:\GIS\7000_PRJ\7921_Preston_Dam_Inundation\Preston_Dam_Inundation_7921.aprx
12
34
Panel Locator
Preston Dam Break Inundation Map
Panel 3 of 4
AMADOR COUNTYDSOD DAM # 2029.003NID # CA0001219 Mar 2019
Sunny Day Dam Failure Scenario
Legend
D Main Dam Half Mile Measures
D Saddle Dam Half Mile Measures
Main Dam
Saddle Dam
Stream Centerlines
Highway
Major Road
Minor Road
Railroads
Main Dam Sunnyday Breach
Saddle Dam Sunnyday Breach
Inundated Structures Both Scenarios
Main Dam Inundated Structures
Saddle Dam Inundated Structures
Preston Reservoir
0 1,200600
Feet
PRELIMINARY INUNDATION AREAS WERE PREPARED BY CONDOR EARTH, MARCH 2019.LIDAR SCENES WERE PROCESSED INTO A DEM, AS THE PRIMARY ELEVATION DATA PRODUCT PRODUCED ANDDISTRIBUTED BY THE USGS. HORIZONTAL DATUM NAME: NORTH AMERICAN DATUM OF 1983.ALTITUDE DATUM NAME: NORTH AMERICAN VERTICAL DATUM OF 1988.
MAP COMPILED IN GEOGRAPHIC COORDINATES, NAD 1983. PROJECTION: LAMBERT CONFORMAL CONIC –CALIFORNIA STATE PLANE ZONE 2 (FEET).
DATA SOURCES:
NOTE:BECAUSE OF THE METHOD, PROCEDURES, AND ASSUMPTIONS USED TO DEVELOP THE INUNDATION AREA,THE LIMITS OF FLOODING SHOWN AND FLOOD WAVE ARRIVAL TIMES ARE APPROXIMATE AND SHOULD BE USEDONLY AS A GUIDELINE FOR ESTABLISHING EVACUATION ZONES. ACTUAL AREAS INUNDATED WILL DEPENDON CONDITIONS DURING ACTUAL FAILURE AND MAY DIFFER FROM AREAS SHOWN ON THE MAP.THE INUNDATION AREA SHOWN IS BASED ON THE RELEASE VOLUME OF 270 ACRE-FEET WHICH IS EQUIVALENTTO A RESERVOIR POOL ELEVATION AT THE DAM CREST.
Signed: 19 MAR 2019
Reference Scale: 1:7,200
D
D
D
ID: SADDLE DAM: 3.5 MILES DOWNSTREAMMain Dam
Arrival Time: 1.58 HRSDepth: 2.9 FT
Velocity: 5.6 FPSWater Surface Elevation: 237.1 FT
Saddle DamArrival Time: 2.08 HRS
Depth: 2.3 FTVelocity: 4.4 FPS
Water Surface Elevation: 236.5 FT
Ð
ID: MAIN DAM: 3.5 MILES DOWNSTREAMMain DamArrival Time: 1.75 HRSDepth: 3.9 FTVelocity: 2.3 FPSWater Surface Elevation: 233.1 FTSaddle DamArrival Time: 2.25 HRSDepth: 3.0 FTVelocity: 2.0 FPSWater Surface Elevation: 232.2 FT
Ð
ID: SADDLE DAM: 4.0 MILES DOWNSTREAMMain DamArrival Time: 1.92 HRSDepth: 3.3 FTVelocity: 6.2 FPSWater Surface Elevation: 227.6 FTSaddle DamArrival Time: 2.50 HRSDepth: 2.3 FTVelocity: 4.6 FPSWater Surface Elevation: 226.6 FT
Ð
ID: MAIN DAM: 4.0 MILES DOWNSTREAMMain DamArrival Time: 2.00 HRSDepth: 2.2 FTVelocity: 1.8 FPSWater Surface Elevation: 224.7 FTSaddle DamArrival Time: 2.75 HRSDepth: 1.6 FTVelocity: 1.1 FPSWater Surface Elevation: 224.1 FT
Ð
ID: END INUNDATION BOUNDARIESMain DamArrival Time: 2.08 HRSDepth: 1.6 FTVelocity: 3.1 FPSWater Surface Elevation: 224.1 FTSaddle DamArrival Time: 2.92 HRSDepth: 1.1 FTVelocity: 2.3 FPSWater Surface Elevation: 223.6 FT
Ð
ID: PRIVATE RIVER CROSSINGMain DamArrival Time: 2Depth: 2.2Velocity: 1.8Water Surface Elevation: 224.7Saddle DamArrival Time: 2.75Depth: 1.6Velocity: 1.1Water Surface Elevation: 224.1
Dutschke
Rd
Source: Esri, DigitalGlobe, GeoEye, Earthstar Geographics, CNES/Airbus DS, USDA, USGS, AeroGRID, IGN, and the GIS User Community
38.3583°N
38.35°N
38.3583°N
38.35°N
120.9917°W121°W121.0084°W
120.9917°W121°W121.0084°W
ÄÅ104
ÄÅ124ÄÅ124
Sources: Esri, HERE, Garmin, USGS, Intermap, INCREMENT P, NRCan, Esri Japan, METI, Esri China (Hong Kong), Esri Korea, Esri (Thailand), NGCC, ©OpenStreetMap contributors, and the GIS User Community
X:\GIS\7000_PRJ\7921_Preston_Dam_Inundation\Preston_Dam_Inundation_7921.aprx
12
34
Panel Locator
Preston Dam Break Inundation Map
Panel 4 of 4
AMADOR COUNTYDSOD DAM # 2029.003NID # CA0001219 Mar 2019
Sunny Day Dam Failure Scenario
Legend
D Main Dam Half Mile Measures
D Saddle Dam Half Mile Measures
Main Dam
Saddle Dam
Stream Centerlines
Highway
Major Road
Minor Road
Railroads
Main Dam Sunnyday Breach
Saddle Dam Sunnyday Breach
Inundated Structures Both Scenarios
Main Dam Inundated Structures
Saddle Dam Inundated Structures
Preston Reservoir
0 1,200600
Feet
PRELIMINARY INUNDATION AREAS WERE PREPARED BY CONDOR EARTH, MARCH 2019.LIDAR SCENES WERE PROCESSED INTO A DEM, AS THE PRIMARY ELEVATION DATA PRODUCT PRODUCED ANDDISTRIBUTED BY THE USGS. HORIZONTAL DATUM NAME: NORTH AMERICAN DATUM OF 1983.ALTITUDE DATUM NAME: NORTH AMERICAN VERTICAL DATUM OF 1988.
MAP COMPILED IN GEOGRAPHIC COORDINATES, NAD 1983. PROJECTION: LAMBERT CONFORMAL CONIC –CALIFORNIA STATE PLANE ZONE 2 (FEET).
DATA SOURCES:
NOTE:BECAUSE OF THE METHOD, PROCEDURES, AND ASSUMPTIONS USED TO DEVELOP THE INUNDATION AREA,THE LIMITS OF FLOODING SHOWN AND FLOOD WAVE ARRIVAL TIMES ARE APPROXIMATE AND SHOULD BE USEDONLY AS A GUIDELINE FOR ESTABLISHING EVACUATION ZONES. ACTUAL AREAS INUNDATED WILL DEPENDON CONDITIONS DURING ACTUAL FAILURE AND MAY DIFFER FROM AREAS SHOWN ON THE MAP.THE INUNDATION AREA SHOWN IS BASED ON THE RELEASE VOLUME OF 270 ACRE-FEET WHICH IS EQUIVALENTTO A RESERVOIR POOL ELEVATION AT THE DAM CREST.
Signed: 19 MAR 2019
Reference Scale: 1:7,200
RESOLUTION 19-20-*
A RESOLUTION OF THE GOVERNING BOARD OF THE
AMADOR REGIONAL SANITATION AUTHORITY
ADOPTING THE BUDGET FOR FISCAL YEAR 2019-2020
WHEREAS, the Board of Directors of the Amador Regional Sanitation Authority, ARSA,
desires to adopt an Annual Budget for the Fiscal Year July 1, 2019, to June 30, 2020; and
WHEREAS, said Budget is a blueprint for anticipated expenses and revenues for the upcoming
fiscal year, which will be reviewed on a monthly basis, and it may be necessary to make changes
from time to time, and
WHEREAS, the ARSA Board of Directors has reviewed said budget and has considered
comments from the public.
NOW, THEREFORE, BE IT RESOLVED that the ARSA Board of Directors wishes to adopt
the Annual Budget for Fiscal Year 2019-2020 as shown in Attachment A which incorporates
anticipated revenue assumptions and expenditures.
The foregoing resolution was duly passed and adopted at a regular meeting of the ARSA Board
on the 22nd day of May 2019, by the following vote:
AYES:
NOES:
ABSTAIN:
ABSENT:
AMADOR REGIONAL SANITATION
AUTHORITY
____________________________
Robin Peters, Chairman
ATTEST:
____________________________
Karen Darrow, Clerk
Actual Actual FINAL Projected YE PROPOSED
16-17 17-18 18-19 18-19 19-20
Revenue
Grant -$
Upper ARSA Planning Grant -$ 63,658$ -$ -$
FEMA/OES Reimbursement -$ 59,091$ -$ -$
Amador Air Quality Board Grant -$ 19,500$ -$ -$
Interest 574$ 141$ 150$ 150$
Use Fee Revenue*
Amador City 13,195$ 15,277$ 16,423$ 17,627$ 14,613$
AWA 89,583$ 89,699$ 68,616$ 73,649$ 80,066$
Sutter Creek 393,256$ 388,069$ 364,905$ 391,668$ 378,292$
Total User Fee Revenue 496,034$ 493,045$ 449,944$ 482,944$ 472,971$
Total REVENUE 496,608$ 635,435$ 450,094$ 482,944$ 473,121$
Expenses
Employee Services
Contract with COSC 142,363$ 117,557$ 152,944$ 152,944$ 134,224$
Management 22,965$ 51$ -$ -$ -$
Overtime 11,293$ 83,594$ 48,000$ 70,000$ 65,000$
Per Diem 4,400$
Total Employee Expenses 181,021$ 201,202$ 200,944$ 222,944$ 199,224$
Operational
Audit & Accounting 4,357$ -$ 8,000$ 8,000$ 8,000$
Engineering 27,383$ 90,187$ 20,000$ 40,000$ 30,000$
Inundation mapping 13,643$ 15,000$ 15,000$ 10,000$
Legal 34,576$ 50,797$ 25,000$ 21,000$ 20,000$
Liability 11,737$ 14,521$ 15,000$ 14,114$ 14,200$
Taxes/Fees/Licenses 38,401$ 46,592$ 47,000$ 54,339$ 55,000$
General Supplies 273$ 310$ 500$ 250$ 500$
Membership Dues 1,417$ 1,500$ 1,673$ 1,800$
Fuel 6,254$ 10,271$ 18,000$ 10,500$ 22,000$
Tertiary Treatment Fees 67,971$ 100,276$ 70,000$ 60,000$ 70,000$
Flood Control -$ -$ 2,000$ -$ 2,000$
Weed Control -$ -$ 1,500$ -$ 1,500$
Vehicle Maintenance 3,935$ 4,928$ 1,500$ 3,000$ 2,700$
O&M Buildings/Structures 1,000$ 10,627$ -$ 1,000$ -$
Repairs & Maintenance 3,191$ 19,230$ 8,000$ 16,500$ 10,000$
Contingency - 10% of operating expenses -$ 24,000$ -$ 26,000$
Total Operational Expenses 196,138$ 361,383$ 249,000$ 245,376$ 273,700$
Attachment A
Actual Actual FINAL Projected YE PROPOSED
16-17 17-18 18-19 18-19 19-20
Attachment A
Capital
Regional Study 3,700$ -$ -$ -$
Upper ARSA Improvement P&D 83,894$ 80,270$ -$ -$ -$
Emergency Dewatering -$ -$ -$ -$
Equipment Replacement -$ -$ -$ -$
O & M Equipment 49,857$ 5,994$ -$ -$ -$
Capital Savings 10% of Operating Expenses 20,325$ -$ -$
Total Capital Expenses 137,451$ 106,589$ -$ -$ -$
Total EXPENSES 514,610$ 669,174$ 449,944$ 468,320$ 472,924$
Revenue - Expenses (18,002)$ (33,739)$ 150$ 14,624$ 197$
Cash Balance July 1, 2019 471,328$
Ending Balance June 30 471,525$
* Based on flow to the COSC WWTP.
19-20 allocations are:
Amador City: 3.09%
AWA: 16.93%
COSC: 79.99%