HomeMy WebLinkAbout16.a. Receive Annual Recyled Water Program UpdatePage 1 of 8
Item 16.a.
110ENTRAL SAN
August 15, 2024
FROM: RICHARD FOSS, ASSOCIATE ENGINEER
DAN FROST, SENIOR ENGINEER
REVIEWED BY: DANEA GEMMELL, PLANNING AND DEVELOPMENT SERVICES DIVISION
MANAGER
GREG NORBY, DEPUTY GENERAL MANAGER - OPERATIONS
ROGER S. BAILEY, GENERAL MANAGER
SUBJECT: RECEIVE ANNUAL RECYCLED WATER PROGRAM UPDATE
Staff submitted the calendar year 2023 Recycled Water Quality and Distribution Annual Report to the
Regional Board in April 2024. Staff will present that information in the attached presentation.
Strategic Plan re -In
GOAL ONE: Customer and Community
Strategy 1— Deliver high-quality customer service
GOAL TWO: Environmental Stewardship
Strategy 1 - Achieve compliance in all regulations, Strategy 3 - Be a partner in regional development of local water
supply
ATTACHMENTS:
1. Presentation
August 15, 2024 Regular Board Meeting Agenda Packet - Page 142 of 189
Page 2 of 8
August 15, 2024
Recycled
Water Program
Update
Richard Foss, P.E.
Associate Engineer
Recycled Water Program Administrator
Recycled Water Programs
Treatment Plant Utility Water
Zone 1 (Purple Pipe) Distribution System
Commercial Truck Fill Program (AutoFill Station & Hydrants)
Residential Fill Station Program
August 15, 2024 Regular Board Meeting Agenda Packet - Page 143 of 189 1
-*--Recycled Water Production
-*--Treatment Plant Utility Water Usage
650
577 601 608 584
580
600
538 557 564
544
550
511
0 500
528 534
527
450
400
350
410
411 400 377
e 300
250
355 316
L
356 316 323 295 319 343 343
200
-
2011 2012 2013 2014 2015 2016
2017 2018 2019 2020 2021 2022 2023
Year
August 15, 2024 Regular Board Meeting Agenda Packet - Page 143 of 189 1
Zone 1 (Purple Pipe) Distribution System
58 metered sites in areas of Martinez, Pleasant Hill, and Concord
250 229 238
221
208 217 208
> 200 190 \ 194
Ib \189 195 201
150
.. 151
N
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_0 100
ld
0 50
f
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2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023
Year
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Commercial Truck Fill Program
6
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Year
Page 3 of 8
August 15, 2024 Regular Board Meeting Agenda Packet - Page 144 of 189 2
Page 4 of 8
Residential Fill Station Program
New Registered Users by Community
i 2023
d
12 - 2020 New Users: 32
10 - 2021 New Users: 308
8 - 2022 New Users: 253
Ix 6 2023 New Users: 38
Z4 Total Registered Users: 3,037
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August 15, 2024 Regular Board Meeting Agenda Packet - Page 145 of 189 3
Page 5 of 8
Residential Fill Station Program Community Breakdown
Gallons Per City 2023 Visits Per Month
3,000,0p0 3900
2500,000 2500
n 2,000,000 2900
0
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city Montle
Self -Monitoring Quarterly Reports
In 2020, Central San launched an online
reporting tool for customers
Since 2021, customers submit mandatory
quarterly self-monitoring reports
(inspections) for all sites
In 2023, Central San received 100% response
rate (226 reports)
Central San also conducts annual site
inspections to check sites & maintain
customer engagement
Wafer Self -Monitoring Quarterly Reports
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Quarter I tolyl. 2023 - September 30 2023
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August 15, 2024 Regular Board Meeting Agenda Packet - Page 146 of 189 4
Page 6 of 8
2023 Self -Monitoring
Quarterly Report Follow -Up
®®®m
Response Rate
100% 100% 100% 100%
On -Time Response Rate
89% 68% 60% 62%
Site Supervisors Changed
Central San Provided New Site Supervisor
3 0 0 I
Training
Minor Leaks or System Modifications /
^
Central San Confirmed Leaks Repaired &
0 3 2 4
a
Collected Record of Changes
Inadequate Signage or Stolen Signs /
0 0 0 0
Central San Provided Additional Signs
Inadequate Valve Tags /
'
Central San Provided Valve Tags
Central San Conducted Follow-up Site Visits
3 0 1 0
Leak Response Coordination
Reportable leaks are unauthorized recycled water releases >50,000 gallons or >1,000 gallons that reach
or may reach surface water
In 2023, staff responded to 3 reportable leaks (Utility Water System near the Laboratory, CarMax in
Pleasant Hill, and Sequoia Middle School in Pleasant Hill) and 1 non -reportable mainline leak near DVC
Failed Joint and Pipe Leak Broken Pipe Failed Joint
(Central San - Utility Water) (CarMax) (Sequoia Middle School)
7! T -T
August 15, 2024 Regular Board Meeting Agenda Packet - Page 147 of 189 5
Page 7 of 8
Zone 1
New Landscape Irrigation Customers in 2023
Pleasant Hill Library Creek Restoration — October 41h
Oak Park Passive Park on Santa Barbara Road in Pleasant Hill — November 2nd
Cross -Connection Testing in 2023
2 New Customer Connections
Diablo Valley College (DVC) Campus — 4 New Buildings (coordinated removal of
premature recycled water connections and performed cross -connection testing)
Plant Operations Building (4 -Year Dual Plumbing Re -Certification)
August 15, 2024 Regular Board Meeting Agenda Packet - Page 148 of 189 6
Planning for Future Recycled Water Use
Re -Development within Zone 1
Diablo Valley College — Dual Plumbing for Three New
Buildings
Future sports fields near Pleasant Hill Library
Re -Development of the Concord Naval Weapons Station
(Concord Community Reuse Project)
EBMLID-Central San Recycled Water Evaluation
(range of non -potable and potable recycled water opportunities)
Acknowledgements
Plant Operations & Maintenance Staff
Operate and maintain treatment and storage facilities
Collection System Operations Staff
Operate and maintain distribution system
Inspect and visit sites, perform cross -connect testing
Laboratory Staff
Sample and analyze recycled water
Accounting Staff
Invoicing and accounting for customers
Household Hazardous Waste Collection Facility Staff
Manage and administer residential fill station program
Permit Counter & Inspection Staff
Permit and inspect new connections and mainline extension
Planning Staff
Manage and administer Zone 1 and Truck Fill programs
Lead Title 22 monitoring and reporting, program coordination
Page 8 of 8
August 15, 2024 Regular Board Meeting Agenda Packet - Page 149 of 189 7