Annual Water Quality Report

Metropolitan Water District of Southern California

2009 Water Quality Table (418 Kb pdf)*
Other Detected Constituents That May Be of Interest to
Consumers (420 Kb pdf)*
Readers Guide to the Water Quality Table (1,250 Kb pdf)*
2010 Reporte Anual de la Calidad del Agua (2,810 Kb pdf)*

California Department of Health Services Office of Drinking Water
601 N. 7th St.
Sacramento, CA 94234-7320

U.S. Environmental Protection Agency
Ariel Rios Building
1200 Pennsylvania Avenue, NW
Washington, DC 20460-0003
Safe Drinking Water Hotline (800) 426-4791

General drinking water information

Information on how drinking water standards are set

Click here for a message from Timothy F. Brick, Chairman, Metropolitan Board of Directors.

Drinking water, including bottled water, may reasonably be expected to contain at least small amounts of some contaminants. The presence of contaminants does not necessarily indicate that the water poses a health risk. Learn more (497 Kb pdf)*

Click here for a health advisory for people with weakened immune systems. (537 Kb pdf)*

Source water protection is an important issue for all of California. Large water
utilities are required by the California Department of Public Health to conduct
a Watershed Sanitary Survey every five years to examine possible sources of
drinking water contamination ... Learn more

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