Mountain View Neighborhood Remains Without Potable Water

CBS Bay Area

May 6, 2026

On Monday, a neighborhood in Mountain View was still without drinking water because of contamination from a breach in a water main. It's been more than 10 days, and the area is still under a "boil water" order from the state, with crews scrambling to restore potable water to the homes.

The neighborhood across from Cuesta Park has been undergoing a replacement of all the water main pipes, and the problem began on Friday, April 24th. A contract worker reportedly recharged a water main without properly closing a valve, sending some cement slurry into the line.

"Which apparently is something that hasn't happened before in the State of California, to the best of our knowledge," said Lenka Wright, Mountain View's Chief Communications Officer.

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