San Francisco Water Quality Protection Plan Prepared for Mayor Gavin Newsom May 2008 San Francisco Water Quality Protection Plan Prepared for Mayor Gavin Newsom San Francisco Public Utilities Commission May 2008 SFPUC Water Quality Protection Plan Acknowledgements The San Francisco Public Utilities Commission (SFPUC) The SFPUC project team included: wishes to acknowledge the valuable contributions of many participants in successfully completing the • Michael Carlin, Assistant General Manager of Water Quality Protection Plan. In particular, the Water National Water Quality Advisory Council whose input and guidance was valuable for project completion: • Andrew DeGraca, Water Quality Division Director • Jeffrey Griffiths, M.D – Tufts University School of Medicine • Manouchehr Boozarpour, Water Quality Division Engineering Services Manager • William Glaze, Ph.D – University of North Carolina, Chapel Hill • Andrzej Wilczak, Project Manager/Senior Sanitary Engineer • David Hilmoe, P.E., BCEE – Seattle Public Utilities Additionally, numerous stakeholders participated in • Stephen Estes-Smargiassi – Massachusetts Water the guiding workshop and acted as valuable Resources Authority resources to the project team and panel (see Appendix B for workshop attendees). • Pankaj Parekh, Ph.D – Los Angeles Department of Water and Power • Phillippe Daniel – Camp Dresser & McKee Inc. • June Weintraub, D.Sc – San Francisco Department of Public Health • Bruce Macler, Ph.D – United States Environmental Protection Agency In addition, SFPUC appreciates the work of its consultant, Camp Dresser & McKee Inc. (CDM) for facilitating the Advisory Council and preparing written materials for this project. The CDM project team included: • Phillippe Daniel, Project Manager • Jenny VanCalcar, Project Engineer • Julie Hinchcliff, Word Processing • Juan Tijero, Graphic Design Peer Reviewed i SFPUC Water Quality Protection Plan Table of Contents Acknowledgements ..................................................................................................................................................... i List of Acronyms ......................................................................................................................................................... v Executive Summary ............................................................................................................................................... ES-1 1. Introduction .......................................................................................................................................................... 1 1.1 Background............................................................................................................................................................................ 1 1.2 Objective................................................................................................................................................................................ 1 1.3 Scope...................................................................................................................................................................................... 1 1.4 Advisory Council ................................................................................................................................................................... 2 1.5 San Francisco City Charter................................................................................................................................................. 2 1.6 SFPUC Mission....................................................................................................................................................................... 3 1.7 Relevant SFPUC Plans.......................................................................................................................................................... 3 1.8 Guiding Principles................................................................................................................................................................. 4 2. System Overview................................................................................................................................................. 5 3. Approaches to Water Quality Protection.............................................................................................................. 6 3.1 How is Acceptable Water Quality Best Assured?......................................................................................................... 6 3.2 Approach for the Water Quality Protection Plan......................................................................................................... 7 4. Water Quality Protection Review ......................................................................................................................... 8 5. Analysis of Water System Components............................................................................................................. 13 5.1 Watersheds and Sources..................................................................................................................................................13 5.2 Water Treatment................................................................................................................................................................16 5.3 Transmission and Distribution System .............................................................................................................................19 6. Cross Cutting Issues ........................................................................................................................................... 22 6.1 Integrated Risk Management Framework.....................................................................................................................22 6.2 Monitoring, Data Analysis and Process Optimization.................................................................................................22 6.3 Emergency Planning...........................................................................................................................................................24 6.4 Public Health Partnership..................................................................................................................................................25 6.5 Communication with Customers ........................................................................................................................................27 7. Priority Recommendations ................................................................................................................................. 29 References................................................................................................................................................................. 31 Links to More Information......................................................................................................................................... 32 Appendices A National Water Quality Advisory Council Conference Call Summary B National Water Quality Advisory Council Workshop Agenda, Slides and List of Attendees C Strategic Planning for San Francisco’s Water Quality Future Workshop Agendas and Summaries D Precautionary Principle E SFPUC Results of a 2006 Survey of Pharmaceutical and Potential Endocrine Disrupting Compounds F National Academy of Sciences Recommendations on Distribution Systems G Role of the Utility at the Tap – Worldwide Perspectives H EPA Security Initiative Grant to SFPUC I Emerging Contaminants Peer Reviewed iii SFPUC Water Quality Protection Plan List of Acronyms AP – Associated Press NTU - Nephelometric Turbidity Unit AWWA – American Water Works Association NWQAC – National Water Quality Advisory Council AwwaRF – American Water Works Association Research OEHHA - Office of Environmental Health Hazard Foundation Assessment BAWSCA - Bay Area Water Supply and Conservation PHG – Public Health Goal Agency POE – point of entry CAC – Citizen’s Advisory Committee POU – point of use CCP – Critical Control Point PPCP – Pharmaceuticals and Personal Care Products CDPH – California Department of Public Health PUC – Public Utilities Commission DBPs – Disinfection By-Products SFDPH – San Francisco Department of Public Health DSOP – Distribution System Operations Plan SFPUC – San Francisco Public Utilities Commission EBRPD – East Bay Regional Park District SFWS - San Francisco Water System EDC – Endocrine Disrupting Chemicals SPU – Seattle Public Utilities EOP – Emergency Operations Plan SVCF - Sunol Valley Chloramination Facility gpm – gallons per minute SVWTP – Sunol Valley Water Treatment Plant HACCP – Hazard Assessment and Critical Control Point UNC – University of North Carolina HHWP – Hetch Hetchy Water and Power UNESCO – United Nations Educational, Scientific and HTWTP – Harry Tracy Water Treatment Plant Cultural Organization LADWP – Los Angeles Department of Water and Power USEPA – United States Environmental Protection Agency mgd – million gallons per day UV – ultraviolet MTBE - Methyl tertiary butyl ether WHO – World Health Organization MWRA – Massachusetts Water Resources Authority WQD – Water Quality Division NORMAN - Network of Reference Laboratories for WSIP – Water System Improvement Program Monitoring of Emerging Environmental Pollutants WS&TD – Water Supply and Treatment Division NPS – National Park Service NRDC – National Resources Defense Council Peer Reviewed v SFPUC Water Quality