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
The Water Quality Report is distributed to all customers annually, and only presents data on the water quality constituents which were actually detected in the water supply during the previous year.
 Download the 2007 Water Quality Report Text (62 KB)
Download the 2007 Water Quality Report Data (97 KB)
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 2007 PHG reports on water quality data collected in 2004, 2005 and 2006.
Download the 2007 Public Health Goals Report (119 KB)
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