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Slide 1 Drinking Water Subcommittee Greg Gartrell, Chair CALFED Bay-Delta Public Advisory Committee SWRCB Periodic Review Presentation January 2005.

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Presentation on theme: "Slide 1 Drinking Water Subcommittee Greg Gartrell, Chair CALFED Bay-Delta Public Advisory Committee SWRCB Periodic Review Presentation January 2005."— Presentation transcript:

1 Slide 1 Drinking Water Subcommittee Greg Gartrell, Chair CALFED Bay-Delta Public Advisory Committee SWRCB Periodic Review Presentation January 2005

2 Slide 2 Water Quality Control Plan Recognition of: –CALFED Water quality program –CALFED drinking water quality targets 50 μg/L bromide and 3 mg/L organic carbon OR The equivalent level of public health protection through cost-effective source improvement and treatment advances –Central Valley Drinking Water Policy development

3 Slide 3 CALFED Drinking Water Quality Program Implementing Agencies: US Environmental Protection Agency CA Department of Health Services State Water Resources Control Board Central Valley Regional Water Quality Control Board Cooperating Agencies: CA Department of Water Resources US Bureau of Reclamation US Geological Survey

4 Slide 4 CALFED Water Quality Program Coordination among agencies with jurisdiction on source water protection and drinking water regulation Performance-based implementation Science Transparent Process (Substantial Public Outreach)

5 Slide 5 CALFED Water Quality Goals Continuous improvement of Delta water quality for all beneficial uses Strive for Drinking Water that is: –Protective of Public Health –Acceptable to Consumers –Protected from source to tap Focus on Drinking Water Challenges: –Source Protection –Treatment and treatment by-products Water Quality Program Plan

6 Slide 6 Drinking Water Quality Targets “CALFED Agencies’ target for providing safe, reliable, and affordable drinking water in a cost effective way, is to achieve either: (a) average concentrations at Clifton Court Forebay and other southern and central Delta drinking water intakes of 50 μg/L bromide and 3.0 mg/L total organic carbon, or (b) an equivalent level of public health protection using a cost-effective combination of alternative source waters, source control, and treatment technologies.” (emphasis added) - CALFED ROD preferred program alternative, pg. 65.

7 Slide 7 CALFED Drinking Water Quality Targets Result of an extensive stakeholder process as part of the development of the CALFED Program (Framework, PEIS/EIR, Record of Decision and Certification) Owen, D.M., P.A. Daniel, and R.S. Summers. 1998. Bay-Delta Water Quality Evaluation Draft Final Report. California Urban Water Agencies. Amy, G., R. Bull, K. Kerri, S. Regli, and P. Singer. 1998. Bay-Delta Drinking Water Quality: Bromide Ion (Br-) and Formation of Brominated Disinfection By- Products (DBPs). Prepared for: CALFED Bay-Delta Program.

8 Slide 8 Source Protection Multiple Barrier Principle Treatment Effectiveness DistributionIntegrity

9 Slide 9

10 Slide 10 Multiple Barrier Approach and ELPH Regional Drinking Water Quality Plans –Local and Regional opportunities Source Water Improvement Projects Conveyance through the Delta –Franks Tract Feasibility Study –Delta Cross Channel/Through Delta Facility Studies Treatment Technology Demonstration Projects Integrated Programs –San Joaquin River Water Quality Management Program

11 Slide 11 Central Valley Drinking Water Policy The responsibility for drinking water protection in the Bay-Delta ecosystem is shared by the State Department of Health Services (DHS), CalEPA (including the State Water Resources Control Board and the CVRWQCB) and DWR, with EPA providing funding and technical assistance. In particular, the CVRWQCB, with support from the CALFED agencies and DHS, is currently developing a comprehensive drinking water policy for Delta and upstream tributaries. (ROD, p. 66) http://www.swrcb.ca.gov/rwqcb5/available_documents/dw-policy/

12 Slide 12 CALFED ROD Milestones – Central Valley Drinking Water Policy CVRWQCB, with support from the CALFED Agencies and DHS, will establish a comprehensive State drinking water policy for Delta and upstream tributaries by the end of 2004. (ROD p. 67) Consistent with the above policy, CVRWQCB, with support from DWR and DHS, will begin implementation of appropriate source control measures (e.g., advanced wastewater treatment, local drainage management practices) by the end of 2006. (ROD p. 67)

13 Slide 13 Policy Development Process Technical Workplan –Water quality monitoring & database development –Conceptual models for drinking water constituents –Pollutant load evaluations –Range of water quality goals and policy options –Potential control alternatives July 2004 Regional Board Resolution Basin Plan Amendment

14 Slide 14 Central Valley Drinking Water Policy Workgroup Ongoing since 2002 Includes range of stakeholders Developed technical work plan (Jan 2003) Resources –SWRCB (CALFED Prop 50) - $970K –CUWA/SRCSD MOU - $150K –US EPA - $150K –Sacramento River Watershed Program - $30K

15 Slide 15 RWQCB Adoption of Resolution (July 2004) Provides regulatory setting, need for Regional Board effort, CALFED goals Affirms Regional Board’s commitment to policy development Acknowledges challenges and limitations of effort R5-2004-0091

16 Slide 16 Priority Constituents Identified Disinfection By-Product Precursors Dissolved Minerals (Total Dissolved Solids, Chloride, Bromide) Organic Carbon Pathogens & Indicator Organisms Taste & Odor Causing substances Nutrients

17 Slide 17 Basin Plan Amendment Public Process Initiate Technical Work Water Quality Monitoring Drinking Water Policy Schedule 2005200720092003 Regional Board Resolution Complete Technical Studies RWQCB Adopts Basin Plan Amendment

18 Slide 18 Bay-Delta Public Advisory Committee Drinking Water Subcommittee Consensus on ELPH Bromide,TOC and salinity targets are a surrogate indicator of water quality Public health baseline risk should serve as the benchmark Allow flexibility and seek cost-effective, robust solutions with multiple benefits CVRWQCB Drinking Water Policy as element of ELPH Strategy Identify Best Management Practices and Best Available Technologies for Source Improvements Use adaptive management

19 Slide 19 Subcommittee Recommendation The Water Quality Control Plan should recognize and include discussion on: –the multiple barrier approach –Ongoing CALFED Process –CALFED target: 50 μg/l bromide and 3 mg/l TOC or the equivalent level of public health protection through cost- effective source improvement and treatment –The development of the Drinking Water Policy

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