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 C _0 100 ld 0 50 f 0 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 Year I Commercial Truck Fill Program 6 5 5.0 4.8 -0 > 4.4 d n V^ 4 0 3 2 0 C O 5.5 f . / ��� � u.a \ 0.3 0.5 0.6 0.6 ,.�� 0.5 0 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 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 a 0 ■ ■ 3 a"A a��` °cz`' °o ta ae .,\\G ,moo �,�,�z \c°ti �a�a `baa �°o A� °o e� �°a Z P r 4, G�� G°� G Oac Q� �a�a� �a �° 0< Qar Sacti �at� Lt °�a Q\za ,CJ. (0tQ n 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 t7 1S�,opp � 1506 - ■zozs o a 1,000.000 ■ 1022 1000 500.000 ■ 2p21 0 t SIL _ i _ I ■ 2020 500 1 0 — ° a '� 0� 'b * Oe . f "z t` 4a as � o�Ob P�a� w� Oa`O ♦aa� L� a� Oa a' odd S c� c° c`i mf3 c[i QC a� JC¢ >J\k �%. c. V° O `at �,a d` ea tea`?♦�acJ `off esa P > J� �6Q eF e6 Jell l Fe P SeQ� ' O� 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 b w.plrcu,. -N ad ma" �'cH"s­ d S.K.e•dw'.v Ryae 6— d d.6b.�g d..yged �M• • owner al M' �-sepenne« w riven ee�aeen antrr � a..a es, ma° A_ ml w•d. 1. o" Q—.4, �Mnm4eq Rwn til.., r.o.�.,.ln.-..61dlm.l�v f.. mob. a�vr•unm.n.id .j —•.we. Quarter I tolyl. 2023 - September 30 2023 �•. raR...o..w,•.m..aw. •� ..�. �. mw s. �..a... mH.row. 3.Mdtl1! !X! �!(yCk9 wMH f1! �elM1r' z�,p•.�l..l,lrw.a wMH,��1r,�, �l,,,l,. p w. J •� 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