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HomeMy WebLinkAbout04.a. Receive Update on the Zone 1 Recycled Water Quarterly Self-Monitoring Site Inspection ProgramPage 1 of 7 Item 4.a. F__1_448�411C_S0 June 21, 2023 TO: REAL ESTATE, ENVIRONMENTAL AND PLANNING COMMITTEE FROM: RICHARD FOSS, ASSOCIATE ENGINEER REVIEWED BY: DAN FROST, SENIOR ENGINEER DANEA GEMMELL, PLANNING AND DEVELOPMENT SERVICES DIVISION MANAGER ROGER S. BAILEY, GENERAL MANAGER SUBJECT: RECEIVE UPDATE ON THE ZONE 1 RECYCLED WATER QUARTERLY SELF -MONITORING SITE INSPECTION PROGRAM Staff will provide an update on the Quarterly Self -Monitoring Site Inspection Program developed for Zone 1, Title 22 recycled water customers following Central San's enrollment in State General Order 2016- 0068-DDW in 2020. Please see the attached presentation. Strategic Plan Tie -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 June 21, 2023 REEP Committee Meeting Agenda Packet - Page 9 of 18 Page 2 of 7 June 21, 2023 Update on State General Order. Recycled Water Quarterly Self -Monitoring Site Inspection Program Real Estate, Environmental and Planning Committee Meeting Richard Foss Associate Engineer 1 Previous Regional Order 96-011 I 2 CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD SAN FRANCISCO BAY REGION �101 Websler Street. Suite 500 'and, CA 94617 ' (510) 2B5.1255 ..X: (510) 286A3B0 SBS'. (510) 286-0404 LLTiER OF APPROVAL WATER RELISH PROGRAM ORDER 96-011 GENERAL WATER RLUSE REQUIRLMLNTS AGENCY: Date May 9, 1997 Address: Central Contra Costa SanitaryDistrict (CCCSO) PAC: Z159.5015 (RJC) PAC1LNY(s): CCCSDWastewater"Iteatmentplant Effective Date of Approval: May9, 1997 We have reviewed the following Notice of Intent (NOI) documents Submitted pursuant to Reglonal Isoard General hater Reuse Order 96-011: I Current Water Reuse Program, September 12, 1996 Z. CCCSIYs Zone One — Pleasant Hill Recycled Water Project, November 13, 1996 June 21, 2023 REEP Committee Meeting Agenda Packet - Page 10 of 18 1 Page 3 of 7 Previous Regional Order 96-011 Collection System Operations (CSO) staff responsible for recycled water distribution system operations performed one annual inspection for each customer site supervisor, which took approximately two weeks to schedule, meet, and complete 3 Table 1: Producer's Scbedule SamnIffig & Analyses LEGEND FOR TABLE t Type of Sample Sampling FttgftDCr Grab . Rsstanlaneoia grab ample D . Daily cont . Continuous monhoring (recorder) 3fw - Three limes per week obs. - obsemoon A . Annually Records of itcycled wafer uu at each site rna be compiled from blRing period rea&ngs (divided by number of days to obtain daily flow) bid submitted w th the annual report EquHakml. rovlEre el (NPDESrA Wig ne-horvrg data c.4m d on days and during times (grab samples) recycled water Is beano produced an be submitted In ILMllmenl of chess ragslrements, ... User site to be inspected a ninimran A annually for 'Appllubk Standard Observation' based on the the and complesstyat sods stte h Kccm nce with the Producer's WSW Reuse P.O... a tlrJess omtmi NPDES or WDRspnpDng fregra ncy Is 1 m Turbidity would apply 10 tertiary water State General Order Effective April 8, 2020 :���+ Gnvw NewavN ��� �OVPJINOP `� JaaFEO BYV�gNS EGA Water Boards San Francisco Bay Regional Water Quality Control Board NOTICE OF APPLICABILITY WATER QUALITY ORDER 2016-0068-DDW GENERAL WATER RECLAMATION REQUIREMENTS FOR RECYCLED WATER USE 4 June 21, 2023 REEP Committee Meeting Agenda Packet - Page 11 of 18 2 Page 4 of 7 5 State General Order Requires Quarterly Site Monitoring Region 2 Recycled Water Administrators April 8, 2020 Monitoring and Reporting Program Table 4: Use Area Monitoring and Reporting Requirements Parameter Units Sample Type Sampling ReportingFrequency0l Frequency Recycled Water User Annually Recycled Water Flow qPOW Meter" " Monthiy Annually Acreage A lied;d) Acres Calculated Annuall Application Rate incheesiacre/ Calculated Annually Soil SaturationlPonding Observation Quarterly Annually Nuisance Odors/Vectors Observation Quarterly Annually Discharge Off -Site Observation Quarterly Annually Notification Slgns{'� Observation Quarterly Annually Transition from Annual to Quarterly Site Monitoring Reviewed other agencies' inspection programs Several agencies already required customers to perform self monitoring inspections and reporting Reviewed online survey platforms for customers to submit quarterly self -monitoring inspection reports and selected Microsoft Forms Self -monitoring report questions are modeled from other agency examples for consistency and were similar to the questions answered during previous annual Zone 1 site inspections Updated Central San's website with the new reporting requirements, including a link to the new reporting form June 21, 2023 REEP Committee Meeting Agenda Packet - Page 12 of 18 3 Page 5 of 7 Self -Monitoring Quarterly Reporting Form ' Required Quarter 1: Januaryl, 2023 - March 31, 2023 Nars: for cu:comer: wits mvlrlple:Ices, sepa reports court be mbmitled per metered ­ 1. indicate the recycled water site name. " (As provided by Central S 0 Emer you, answer 1 „ 2. Did you observe recycled water runoff from the site? ° 7 7 Updated Central San Website Recycled Water Self -Monitoring Quarterly Reports Share this page ©00 b —ply with new California monitoring and reporting requirements, Central Sc­ requiring all cusromers Io su6mir Quarterly Self-M.,ul—rg Re, odor ­6 aF the WIc-ing desig.1cd quarters: This item appears in • Quarter 1: January 1 - March 31 Report Between April 1 and 15, 2023 Recycled Wgte. •Q—a 2: Ail 1-June 30 • Q�ader 3: July 1-5eptemiier 30 Contact • Quarter 4: 0[lo6er 1 -December 31 (9251335-7738 All cusbmers must complete the online Quodedy Self-Monilaring Repwis within i— calendar v+eelcc fallowing the quorterend in Send message o,der to maintain eonbneed ­ycled water service. g Viaw 5a1FMonibriey (k.dians eF 0 DY TO REPORT? 0 June 21, 2023 REEP Committee Meeting Agenda Packet - Page 13 of 18 4 Page 6 of 7 Customer Training and Communication Email reminder sent to Site Supervisors at the end of each Quarter with instructions for completing the report For customers that do not submit by the deadline, staff follow up by email and phone calls as -needed to achieve 100% response Site visits conducted as -needed if the customer is not responsive and when customer quarterly self -monitoring report responses trigger corrective actions or documentation 0 2022 Calendar Year Summary Customer Report Responses Self -Monitoring WWWW Response Rate 100% 100% 100% 100% On -Time Response Rate 100% 100% 87% 74% Site Supervisors Changed / 2 0 0 1 'C Central San Trained New Site Supervisor Minor Leaks or System Modifications / Central San Confirmed Leaks Repaired & 0 3 2 1 Collected Record of Changes Inadequate Signage or Stolen Signs / 0 0 0 0 Central San Provided Additional Signs Inadequate Valve Tags / 0 0 0 0 Central San Provided Valve Tags Central San Conducted Follow-up Site Visit 2 0 1 1 10 June 21, 2023 REEP Committee Meeting Agenda Packet - Page 14 of 18 5 Page 7 of 7 Continue with Successful Self -Monitoring Reporting Program Approach Continue the customer quarterly self -monitoring reporting site inspection program Continue to supplement quarterly reporting with one in -person site visit per year by CSO staff to confirm site conditions, maintain site familiarity, and sustain good working relationships with customers Continue to summarize self -monitoring and site inspection results in the Recycled Water Annual Report submitted to the State and San Francisco Bay Regional Water Quality Control Board by April 30 each year 11 June 21, 2023 REEP Committee Meeting Agenda Packet - Page 15 of 18 6