5/6/2026 

Boil Water Restriction Lifted for 46 Homes and Remains in Place for 21 Homes
On Wednesday, May 6, the City of Mountain View, in coordination with the California State Water Resources Control Board, lifted the “Boil Water” notice for 46 of the 67 homes impacted by a water main contamination breach, north of Cuesta Park. The water line serving these homes continues to test clear for coliform bacteria. View the “Termination of Boil Water Notice for Select Residences.”

The remaining 21 homes, located on Drucilla Drive and Carla Court, remain under a “Boil Water” notice until further notice.

View a map of the area below (or view map here), showing the homes that remain under a “Boil Water” notice and those homes for which the “Boil Water” notice has been lifted.

05/01/2026

Approximately 67 homes, north of Cuesta Park, that were impacted by a water main contamination emergency are now under a "Boil Water" notice. Tap water that has not been boiled for at least 1 minute may be unsafe for drinking and cooking.

04/25/2026

On Saturday, April 25, the City of Mountain View issued a "Do Not Use Water" notice to provide instructions for flushing household plumbing for the area affected by the water main incident near Cuesta Park. View the notice.

The affected households are not to use tap water for drinking, cooking, hand washing, or bathing until further notice. Toilet flushing only is allowed.

 If the resident is present when City staff delivers this latest notice, their water will be turned on. If they are not present, please contact 650-903-6081 to have your water turned on.

04/24/2026

The City of Mountain View issued a “Do Not Use Water” notice to the area affected by the water main incident near Cuesta Park. View the notice.