Water district hosts meeting on quake impacting Anderson dam, tax measure

The Santa Clara Valley Water District is holding an informational meeting on the Anderson Dam Seismic Retrofit on Thursday, Sept. 27 at the Jackson School library, 2700 Fountain Oaks Drive in Morgan Hill from 4 to 8 p.m. Water district staff will be on hand to answer questions.

Although still in the planning stages, the potential price tag for the Anderson Dam retrofit project was bumped this year from $110 million to an estimated $185 million.

According to a seismic study completed in July 2011, Anderson Dam – which holds up to 90,373 acre-feet of water – was deemed unsafe, with the possibility that if a large earthquake strikes within a 1.25 miles of the dam, a 35-foot wall of water would rush to Morgan Hill, putting it under water in roughly 15 minutes, flood Gilroy, San Martin and the entire valley floor up to San Jose within a couple of hours.

The SCVWD will have a $548 million, 15-year parcel tax measure on the county’s November ballot, Measure B.

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