News Flash

News Release

Posted on: July 25, 2016

MMWD to Replace Various Aging Pipelines Throughout Marin County

Marin Municipal Water District (MMWD) will replace approximately 2,700 feet of dated and worn cast iron pipeline within the Cities of San Rafael, Larkspur, and Mill Valley beginning late July. This project will replace leak-prone pipeline in coordination with planned road improvements to be conducted by the City of San Rafael and the City of Mill Valley. Construction is scheduled to last through September.

The lowest responsible bid for the project was submitted by W.R. Forde Associates in the amount of $447,580. Streets impacted by this project include: Locust Avenue in Larkspur, Woodland Avenue and Warner Court in San Rafael, and Hazel Avenue in Mill Valley. Both the contractor and MMWD will make every effort to minimize traffic disruptions during construction.

This project will replace old and vulnerable cast iron piping installed as early as 1922. There have been numerous leaks along these sections of pipeline, making them good candidates for replacement. This project is being coordinated with the City of San Rafael and the City of Mill Valley to be completed prior to upcoming repaving projects; an example of MMWD’s commitment to coordinate infrastructure projects with other local government agencies for the highest benefit and least public impact.

This project aligns with MMWD’s five-year strategic plan to improve water supply resiliency and maintain facilities and equipment sufficiently. The project is funded by the Capital Improvement Program and Fire Flow Improvement Program. Funding for the district’s Fire Flow Improvement Program is provided by a $75 annual parcel fee. From 1997 through June 30, 2014 the fee has supported the investment of more than $86 million in fire flow and seismic-related improvements and the replacement of more than 76 miles of pipe throughout the district’s 147-square-mile service area.

Customers with questions about the project can contact MMWD Senior Engineer Elysha Anderson ( or 415-945-1572).

MMWD is Marin County’s largest provider of drinking water, serving a population of 187,500 in a 147-square-mile area of south and central Marin County. The district owns and manages 21,635 acres of watershed land on Mt. Tamalpais and in west Marin. The primary source of water supply is rainfall captured in seven reservoirs, providing 75 percent of the water consumed each year. The remaining 25 percent is imported annually from the Russian River through an agreement with the Sonoma County Water Agency. MMWD also operates its own recycled water system. District operations are financed primarily by revenue from the sale of water. The annual operating budget for the district for fiscal year 2015-16 is $66.8 million.

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