News Flash

News Release

Posted on: August 18, 2016

MMWD to Replace Various Aging Pipelines in Terra Linda

Marin Municipal Water District (MMWD) will replace approximately 6,440 feet of dated and worn cast iron pipeline in the community of Terra Linda within the City of San Rafael. This project will replace leak-prone pipeline in coordination with planned road improvements to be conducted by the City of San Rafael. Construction is scheduled to last through February 2017.

The lowest responsible bid for the project was submitted by Michael Paul Company in the amount of $982,205. Streets impacted by this project include: Duran Drive, Pine Lane, Holly Drive, Hickory Lane, and Hibiscus Way. 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 in the mid-1950s and early 1960s. 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 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 (CIP). CIP projects are prioritized to support and enhance the district's efforts in promoting the best possible service capability to the district's customers. The annual CIP expenditures are, on average, about 25% of the district's total annual expenditures. MMWD has 900-plus miles of pipe to maintain and replaces approximately 7 miles per year at an average cost of $225 per foot, or $1.2 million per mile.

Customers with questions about the project can contact MMWD Assistant Engineer Jake Miller ( or 415-945-1580).

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.

Media Contact: Emma Detwiler
(415) 945-1592

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