The Marin Municipal Water District (MMWD) has released its 2014 Annual Water Quality Report, which shows that the water provided by MMWD continues to meet or surpass all state and federal health regulations. The report summarizes the results of thousands of water quality analyses conducted by MMWD from January-December 2013.
The report is available on our website at marinwater.org/2014AWQR. Printed copies of the report can be requested by calling the district’s Water Quality Lab at 415-945-1550.
MMWD takes numerous steps to ensure that the drinking water we deliver to customers is of high quality, from managing and protecting our watershed lands, to employing proven treatment methods, to vigilant monitoring. Each year MMWD conducts more than 120,000 water quality tests from watershed to faucet, including process control testing at the treatment plants as well as laboratory testing.
MMWD reports the water quality information annually in compliance with requirements established by the California Department of Public Health and the US Environmental Protection Agency (EPA). The state and federal regulations require drinking water suppliers to test for 125 contaminants and to include in the report the test results for any contaminants found and at what levels. This past year we also tested for an additional 28 unregulated compounds as part of the Unregulated Contaminant Monitoring program administered by the EPA.
MMWD provides high-quality drinking water to 186,000 customers in central and southern Marin County. About 75 percent of our water supply comes from rainfall collected in seven reservoirs on Mt. Tamalpais and in west Marin. The remaining 25 percent is imported under a contract with the Sonoma County Water Agency.
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