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September 2, 2014 > ACWD work crew assists Napa

ACWD work crew assists Napa

Submitted By Sharene Gonzales

The Alameda County Water District (ACWD) announced on August 26 that a fully equipped utility crew will head to Napa - an additional crew is on standby for deployment - to provide assistance in the repair of approximately 90 water main lines damaged as a result of the 6.1 magnitude earthquake on August 24.

The District, as a member of the California Water/Wastewater Agency Response Network (CalWARN), launched the deployment of three utility workers to provide mutual assistance following the quake.

ACWDÕs crew, equipped with vehicles and pipe repairing materials, are planning to spend several days in Napa working to address leaking water mains to help bring service back on line for those impacted.

As there are reports of the quake being felt throughout the Bay Area, and this being the largest quake since Loma Prieta in 1989, it comes as a stark reminder of the importance of emergency preparedness. In addition to storing water - a minimum of two gallons of water per person for three to seven days - households should be aware of the location of the shutoff valve for their water and gas lines. Additional suggestions, along with a complete Family Disaster Planning
Worksheets are available at

ACWDÕs water mains were not damaged as a result of this recent earthquake but the impact it has had on NapaÕs water delivery shines light on the urgency for seismic improvements in Southern Alameda County.

With this goal in mind, the DistrictÕs Main Replacement and Seismic Upgrade Program (MRSUP) is providing Tri-City residents with extensive infrastructure upgrades and seismic retrofitting throughout the service area, with the focus on high priority projects along the Hayward fault line.

In addition to the water main improvements, the MRSUP program includes upgrades to water storage tanks and the installation of backup generators and emergency equipment. Program investments are nearly $10 million per year.

The last five major seismic events on the Hayward fault have occurred at intervals of 95-160 years, with an average interval of 140 years. The last major earthquake on this fault occurred in 1868, 146 years ago, with an estimated magnitude of 7.0 on the Richter scale.

ACWD maintains over 850 miles of pipelines in Fremont, Newark and Union City. For more information, please visit

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