Marin Municipal Water District Photograph of Mount Tamalpais watershed
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Water

Current Water Supply Outlook

Alpine Lake Spillway Thanks to heavier rainfall than average in 2010, MMWD's reservoir storage levels are above average for this date. (Please see the home page of our website for current storage levels.)

Under our water shortage ordinance, if the reservoirs contain less than 50,000 AF[1] of water on April 1, a 10-percent voluntary water use reduction plan will be implemented. If reservoirs drop to below the 40,000 AF level by April 1, a mandatory 25-percent reduction plan is called for. Based on current levels, rationing will not be implemented this year.

As the primary source of water for MMWD, the reservoirs provide 75 percent of the water consumed annually. The remaining 25 percent of our supply comes from the Russian River in Sonoma County under a contract with the Sonoma County Water Agency (SCWA). The water supplies for Sonoma are robust as well and are adequate to meet the needs of residents in Sonoma and Marin Counties in 2010.

Future Sources

We are studying several options for addressing our long-term water supply challenges. They include: expanding the use of recycled water, making changes to our reservoir operations to increase yield, additional water conservation, additional Russian River supply and desalination. Click here for more information on future sources.



[1]One acre-foot is 325,851 gallons, enough water to serve three MMWD households for one year.

   
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