Mountain View Neighborhood Goes Weekend Without Potable Water After Construction Site Mistake

CBS Bay Area

April 27, 2026

Neighbors were still without water in one Mountain View neighborhood on Sunday after a mistake at a construction site on Friday caused possible contamination, and neighbors are waiting for tests to reveal whether the water is safe for use.

The three-day drought for the neighborhood just off Cuesta Avenue began on Friday afternoon when a private contractor, replacing underground water lines at the intersection of Cuesta Drive and Bonita Avenue, had a problem.

"There was a contamination breach with some cement slurry mix getting into a water main, which required the water supply in the affected area to be shut off," said city spokesperson Lenka Wright.

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