Aerial view of an inflatable dam on Alameda Creek that was attacked by vandals on 22 May 2015, resulting in the loss of nearly 50 million gallons of water into the San Francisco Bay. Photo: SKY 7 News

By Mario Sevilla
22 May 2015

Fremont (KRON) – Fremont police say vandals attacked an inflatable dam on Alameda Creek that resulted in the loss of nearly 50 million gallons of water.

Police believe that those responsible entered a restricted area sometime on Thursday morning and intentionally damaged the dam.

“The dam, which is instrumental to the Alameda County Water District’s water supply operations, suffered irreversible damage,” police said.

According to police, more than 150 acre-feet of water – or 49 million gallons – washed past the destroyed dam and into the San Francisco Bay. The water was to have been percolated into the Niles Cone Groundwater Basin for use by residents and businesses in Fremont, Newark, and Union City as a critical water supply.

“This amount of water is enough to supply the needs of approximately 500 homes for one year,” police said.

District staff was able to quickly open upstream diversions, allowing water which would have been impounded behind the dam to flow into nearby groundwater recharge facilities, thus eliminating further water loss.

“This is a very significant loss of water under any circumstances, and more so in the drought conditions we are experiencing,” said ACWD General Manager Robert Shaver. “It is an utterly senseless, destructive, and wasteful thing to do.”

The District does not believe it will have a long-term impact on its water supply operations.

The vandalized dam is one of a pair ACWD maintains on Alameda Creek. The dams are large, heavy-duty devices, which can be inflated to impound needed water or deflated to allow water to flow through the creek in storm conditions.

Vandals destroy dam, release 49 million gallons of water into Bay


  1. Anonymous said...

    Well, FINALLY the stupid climate denialists have some PROOF that the drought in California is "orchestrated".

    Other then this act of vandalism, I do not know of a single other instance of actual "proof" that the drought is deliberate.

    But facts won't stop the idiots.  


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