SFPUC Technology Transfer Workshop. By Stefan Cajina, Regional Engineer Division of Drinking Water State Water Resources Control Board

Transcription

1 SFPUC Technology Transfer Workshop By Stefan Cajina, Regional Engineer Division of Drinking Water State Water Resources Control Board November 2014

2 What s New for the State? The Division of Drinking Water (DDW) is now located within the State Water Resources Control Board $15 million from the General Fund for emergency water shortages due to drought. As of Sept. 1, Drought Emergency Projects, for a total of $11.5 Million Conservation regulations adopted, reporting requirements for urban suppliers. Groundwater Legislation passed details for implementation not yet known Water Rights Division curtailed many junior rights holders. Compliance Orders issued by DDW to PWS that were curtailed. 2

3 DWP Reorganized Division of Drinking Water (DDW): Three Branches Northern California Field Operations Southern California Field Operations Program Management Technical Operations Section (technology approval, recycled water, regulation development ) Environmental Laboratory Accreditation Program (ELAP) Data/Toxicology Office Funding Programs (DWSRF) are now under Division of Financial Assistance (DFA) Operator Certification is also under DFA alongside the Wastewater certification process Drinking Water and Radiation Lab remained under CDPH 3

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5 Public Water Systems in California Type of System Approximate # COMMUNITY 3,000 Large (>3,300 people) 700 Small (>15 connections or 25 people, <3,300 people) 2,300 NON-COMMUNITY 4,500 Nontransient 1,500 Transient 3,000 TOTAL 7,500 POPULATION SERVED Population % LWS (9.3% of PWS) 37 m 98 SWS (90.7% of PWS) 400,

6 Regulatory Responsibility in California EPA has delegated primacy to enforce the Federal Safe Drinking Water Act to the DWP in CDPH (Now DDW under the State Board!) DDW has delegated primacy to 30* of the 58 counties (known as LPA counties) for small water systems-- Community water systems < 200 service connections Non-community water systems (transient and nontransient) *--Both Merced County (103 SWS-April 1, 2014) and Tulare County (304 SWS-July 1, 2014) returned their SWS programs 6

7 Big Issues Right Now! Drought Response Harmful Algal Blooms/Cyanotoxins Small Water Systems 7

8 Drought Response DDW Activities Collect information on public water systems to help identify those anticipating severe shortages or water outages Provide assistance in identifying and permitting alternative water supplies Participate on the Governor s Drought Task Force Provide Funding and Technical Assistance Drought Web page constantly being updated with information 8

9 Drought Response What assistance can you provide? Closely monitor water levels/production of all wells/springs and surface water sources Track consumption of customers, implement mandatory conservation Repair all leaks promptly Contact the DDW s District Engineer for your county for assistance, if needed Consider emergency connections to impacted nearby SWS 9

10 Harmful Algal Blooms (HABs) Drought exacerbating problems in California Increased attention due to Toledo, OH episode. No regulation, not enough guidance. Many questions, for example: What do we tell concerned customers? What do we do if our sources are affected? Would CA do the same as OH if we found cyanotoxins in finished water? What is DDW doing? Is there a plan? 10

11 HABs DDW Activities Clear Lake collaborative response. For several years, have worked with affected systems, Lake Co. Health, CDPH/DW Lab, and others to investigate effects of ambient cyanotoxin levels on drinking water. So far, treatment processes around the lake appear effective in removing cyanotoxins. Most of these processes involve GAC. This is just a snapshot! MUCH more study needed. 11

12 HABs DDW Activities Participating in ASDWA multi-state workgroup. Have heard from various other states and agencies, including Oregon, Ohio, Canada, and USEPA. Has facilitated information sharing amongst DW programs. DDW has formed a HAB Workgroup to develop: Messaging Guidance for Staff Guidance for Water Systems Analytical and treatment recommendations 12

13 Small Water Systems Approx 3,700 SWS delegated to county health agencies Remaining Public Water Systems are under DDW direct jurisdiction (Approximately 3,845 ) SWS serve small communities, schools or businesses, or transient populations (e.g. restaurants, ski resorts) Many small community systems are disadvantaged and isolated Limited access to skilled operators, managers Not enough money to operate or improve system, lack financial skills to navigate State funding process Isolation makes consolidation very expensive (pipe extensions cost $500,000 -$1 million per mile) 13

14 Regulations California recently adopted, anticipates, or is in the process of developing Federal LT1/LT2 Effective 7/1/2013 No significant changes between the Federal Rule and California s Pb/Cu Rule Minor Revisions Revised Total Coliform Rule (RTCR) State GW Replenishment (RW re-use) Effective 6/18/2014 Cr6 MCL (10 ppb) Effective 7/1/2014 SW Augmentation (RW re-use) 1,2,3 TCP MCL POU/POE standard regulations - emergency regs expired Cross-Connection Control Fluoridation revisions? 14

15 RTCR Changes Coming Find and Fix Rule Draft regulation package progressing Goal is to keep portions of our existing bacteriological regulations that are more stringent: Weekly sampling requirements vs. monthly Quarterly for all NCWS No annual sampling Sample Siting Plan requirements Needed Sections Seasonal System Requirements New Self Assessment Form Requirements 15

16 RTCR Changes Coming First TCR MCL Self Assessment by PWS Second TCR MCL Primacy agency must complete Assessment Details on monitoring & reporting of violations, record keeping requirements The rule will not reduce the complexity of monitoring requirements for many small systems Maintaining compliance requires: Attention to sound monitoring practices Understanding rule monitoring requirements Appropriate and timely maintenance activities Timely responses to directions from the primacy agency 16

17 Indirect Potable Reuse Water Code Section CDPH shall adopt uniform water recycling criteria for groundwater recharge/replenishment with recycled water (GWR) on or before December 31, Water Code Section CDPH required to adopt emergency GWR regs by July 1, GWR regs adopted - effective June 18, Remain in effect until revised. Replaced existing regs adopted in On or before December 31, 2016, CDPH (now State Board s DDW) shall develop and adopt uniform water recycling criteria for surface water augmentation. 17

18 GW Replenishment (aka GW Recharge) Two sets of requirements for two types of projects: Surface spreading projects (Article 5.1, sections of Title 22) Injection projects (Article 5.2, sections of Title 22) Includes criteria for: general requirements; advanced treatment; public hearings/info; source control; pathogen control (log reduction of 12-log Virus, 10-log Giardia, & 10- log Cryptosporidium); nitrogen compound control; regulated contaminant control; RW/diluent blending; total organic compound control; additional chemical monitoring; GW monitoring wells and monitoring; reporting; alternatives; etc. Existing GWR projects must submit report to confirm compliance with new regs. by June 18, If not, a schedule for compliance with new requirements must be provided. 18

19 Recycled Water Re-use Indirect Potable Re-use SW Augmentation DDW is in the early stages of developing draft surface water augmentation regulations. Must be adopted by December 31, 2016 DDW must submit the proposed SW augmentation criteria to an expert panel convened pursuant to Water Code Section The expert panel must review the proposed criteria and adopt a finding as to whether, in its expert opinion, the proposed criteria would adequately protect public health The expert panel has been selected and meetings have been initiated 19

20 Recycled Water Re-use Direct Potable Re-use (SB322 signed on Oct. 8, 2013) DDW must investigate and report to legislature the feasibility of developing uniform water recycling criteria for direct potable reuse by December 31, 2016 (Water Code section 13563) The public review of the draft report for DPR is due Sept. 1, 2016 (WC Section 13563(a)(2)) The advisory group and expert panel has been selected and meetings have been initiated Expert panel currently reviewing DDW general concepts. By June 30, 2016, DDW must complete draft report of expert panel recommendations (Water Code Section 13565(c)) 20

21 Livestock Drinking Recycled Water (SB2071 passed Sep 2014) By December 31, 2016, determine if drinking RW poses a significant risk to public or animal health An Expert Panel is being formed DDW will be requesting additional staff 21

22 Chromium-6 MCL CDPH was mandated by State law to set a Cr6 MCL On July 29, 2011, the Office of Environmental Health Hazard Assessment (OEHHA) established a Public Health Goal (PHG) for hexavalent chromium of 0.02 ppb. CDPH (DDW) is required by State law to set MCLs as close to the PHG as economically and technically feasible, with emphasis on public health CDPH completed its review of Cr6 data for anomalies, gathered treatment cost information, and developed reg The proposed MCL package was released on August 23 rd, Two public hearings were held on October 11 th (Sacramento and Los Angeles) Final MCL is 10 ppb; Effective on July 1, 2014 Initial monitoring to begin on or before January 1, 2015 An exceedance = quarterly monitoring. Compliance based on running annual average of quarterly results. 22

23 1,2,3 TCP MCL The DDW anticipates adopting an MCL for 1,2,3-TCP On August 20, 2009, the Office of Environmental Health Hazard Assessment (OEHHA) set a Public Health Goal (PHG) for 1,2,3-TCP of ppb DDW is required by statute to set MCLs as close to the PHG as economically and technically feasible, with emphasis on public health DDW currently has a notification level for 1,2,3 TCP of ppb DDW has reviewed 1,2,3-TCP data for anomalies, has been gathering treatment cost information, and is in the process of developing a regulation package 23

24 Fluoridation Redux January 7, U.S. Department of Health and Human Services Agency (HHS) announced a proposal recommending that water systems practicing fluoridation adjust their fluoride content to 0.7 mg/l, as opposed to the previous temperature-dependent optimal levels ranging from 0.7 mg/l to 1.2 mg/l CDPH recommends that water systems practicing fluoridation operate their fluoridation system toward the lower end of their prescribed range. 24

25 Fluoridation Redux Point of clarification: temperature-dependent range of optimal fluoride levels is different from the control range for each optimal level, which allows for imprecise feed systems. Annual average of maximum daily air temperatures, degrees Optimal fluoride level, mg/l Control Range, mg/l Fahrenheit Celsius Low High 50.0 to to to to to to to to to to to to If CA changes regulation to specify a single, optimal fluoride level, we would likely preserve a control range similar to the existing regulation (e.g., Optimal Level = 0.7 mg/l, Control Range = mg/l). 25

26 Follow-up Information A wealth of information is available on our website at: Contact your local DDW field office Additional DDW District Office info on Web page 26

27 New Headquarters Division of Drinking Water Headquarters Office (916) I St, 24th Floor Sacramento CA Deputy Director Cindy Forbes Cindy.Forbes@waterboards.ca.gov 27

28 Part 1 Questions? 28