CALFED Drinking Water Quality Program

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Transcription:

CALFED Drinking Water Quality Program Sacramento Sacramento River Sacramento Valley Region Delta Bay Region Region San Joaquin Valley Region Suisun Marsh Bay-Delta San Joaquin River Stockton Southern California Region Lisa M. Holm, P.E. October 2005 lisah@calwater.ca.gov (916) 445-0782

http://www.calwater.ca.gov Program Elements

Drinking Water Quality Goals Provide safe, reliable, and affordable drinking water. Protect and improve source to tap drinking water quality 50 μg/l bromide and 3 mg/l total organic carbon at Delta drinking water intakes or equivalent level of public health protection (ELPH) Continuous improvement of in-delta water quality

Drinking Water Constituents of Concern bromide organic carbon pathogens nutrients salinity turbidity taste and odor

Source: Department of Water Resources

Multiple Barrier Principle Source Protection Treatment Effectiveness Distribution Integrity

Equivalent Level of Public Health Protection

Volume of Flow into the Delta Sacramento River San Joaquin River

Dissolved Organic Carbon Sacramento River San Joaquin River

Bromide in the San Joaquin River. In comparison, Sacramento River rarely exceeds 20 ug/l

Tributaries influence on water quality at Delta intakes is variable

Water Quality Program Investments Projects Awarded Years 1-5 7 10.6 Sacramento Valley 18.2 16 23.8 7 5 2.9 Delta 22 15.9 Multiple Regions Bay Area San Joaquin Valley LEGEND 6 4.6 Southern California Pilot Regional ELPH Planning Area No. of Projects Awarded Funding ($ Million) Region

Sacramento Region Investments 1. Steelhead Creek Drinking Water Quality Study and Watershed Assessment (NEMDC) 2. Hydrologic Flowpaths in Oak Woodland Landscapes: Implications for Dissolved Organic Carbon and Nutrient Transport 3. Implementation of Buffer, Irrigation, and Grazing BMPs to Reduce Pathogens, TOC/DOC, and Turbidity from Rangeland and Irrigated Pasture 4. Development and Implementation of Ricefield Management Practices to Improve Water Quality 5. Management of DOC, DBPP and nutrients loads from major agricultural land uses and development of BMPs 6. Evaluating BMP Effectiveness to Reduce Volumes and Improve Quality of Runoff from Urban Environments 7. Sacramento Valley Regional Water Quality Management Plan

Central Valley Drinking Water Policy Project

Current Drinking Water Quality Regulations & Policies Clean Water Act and Porter-Cologne Sacramento & San Joaquin R. Basin Plan Sources of Drinking Water Policy DHS Maximum Contaminant Levels Safe Drinking Water Act Treated drinking water regulations

Need for a Drinking Water Policy 1990 State Water Project Sanitary Survey 1998 and 2002 Triennial Review CALFED Record of Decision (August 2000) Project started in 2002

Policy Development Process Managed by RWQCB with a Workgroup of Stakeholders Drinking Water Policy Technical Workplan WQ Monitoring & database development Conceptual models for drinking water constituents Pollutant load evaluations Range of water quality goals and control alternatives Outreach to Stakeholders Regional Board Resolution Basin Plan Amendment Water quality objectives (narrative, numeric) Policy statement Implementation plan

Initiate Technical Workplan Schedule Water Quality Monitoring Basin Planning Process 2003 2004 2005 2006 2007 2008 2009 Regional Board Resolution Complete Technical Studies Policy Adoption

Workgroup Progress Report on available data RFP for conceptual model work Outreach fact sheet Stakeholder briefing Webpage and listserv Regional Board resolution adopted Prioritized constituents TOC Workshop Database compiled

Regional Board Resolution Initial step toward policy development Developed by Regional Board staff with input from Workgroup Provides regulatory setting, need for RB effort, CALFED goals Affirms Regional Board s commitment to policy development Acknowledges challenges and limitations of effort Adopted by Regional Board on July 9, 2004

Project Contact Information Karen Larsen, CVRWQCB Elaine Archibald, CUWA (916) 464-4646 (916) 736-3713 larsenk@waterboards.ca.gov awconsult@aol.com Listserv subscription: http://www.waterboards.ca.gov/lyrisforms/reg5_subscribe.html Website: http://www.swrcb.ca.gov/rwqcb5/available_documents/dw-policy/index.html

Thank you Lisa M. Holm, P.E. lisah@calwater.ca.gov (916) 445-0782 http://www.calwater.ca.gov

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