Water Quality
 Water from various locations in the distribution system is analyzed daily by certified Municipal Water System staff, and weekly by a private, state-certified laboratory. Additionally, the Santa Clara Valley Water District and San Francisco Public Utilities Commission perform their own water quality analysis of the source and treated water. All together, over 170 constituents are analyzed and tens of thousands of tests are performed each year to ensure the water you receive meets drinking water standards set by the U.S. Environmental Protection Agency and California Department of Public Health. The Municipal Water System regularly publishes reports to make the results of these tests available to the public.
Annual Water Quality Report
Over 170 constituents are analyzed each year to ensure that drinking water standards set by the U.S. Environmental Protection Agency and California Department of Public Health are met. The Municipal Water System publishes annual reports to make the results of these tests available to the public. Download the current Water Quality Report.
Public Health Goals Report
The Public Health Goals (PHG) report is required every three years for all water retailers serving more than 10,000 connections. The 2010 PHG reports on water quality data collected in 2007, 2008 and 2009.
 Download the 2010 Public Health Goals Report (69 KB)
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