Water Main Incident Near Cuesta Park Updates

11:10 a.m. Sunday, April 26, Update: As of this morning, approximately two-thirds of the 67 homes affected by the water main incident near Cuesta Park have their water turned back on for toilet flushing only.

City of Mountain View water utility crews continue to go door-to-door to speak with the affected residents to provide instructions for flushing household plumbing before turning on the water. Only toilet flushing is allowed.

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 not present when City crews come by, they should contact 650-903-6081 to have their water turned on.

The crews remain onsite, flushing the system and conducting water quality testing. As of Sunday morning, the comprehensive drinking water safety testing is not expected to be completed until at least Monday, April 27. The City is working closely with the State Water Resources Control Board regulators to restore safe drinking water as soon as possible.

Residents needing assistance should call 650-903-6081 or email [email protected].

Friday's water main incident, near the intersection of Bonita Avenue and Cuesta Drive, involved a City contractor working on a water main replacement and upgrades project. 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.

10:15 p.m. Saturday, April 25, Update: 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, the resident should contact 650-903-6081 to have their water turned on.

8:15 p.m. Saturday, April 25, Update: On Friday, April 24, 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. Future public notices for this incident will be made available on the Notices webpage.

Residents needing assistance, including hotel information, should call 650-903-6081 or email [email protected].

Friday's water main incident near the intersection of Bonita Avenue and Cuesta Drive involved a City contractor working on a water main replacement and upgrades project.

1:00 p.m. Saturday, April 25, Update: As of Saturday, April 25, approximately 67 households near Cuesta Park remain under a Do Not Use Water notice. Residents in the affected area must not use tap water for any purpose until the notice is lifted.

This means affected residents should not use tap water for drinking, cooking, handwashing, bathing, brushing teeth, washing dishes, or any other household use.

City of Mountain View water utility crews are on site flushing the system and conducting water quality testing. If initial test results confirm the water is safe for limited non-drinking uses, such as flushing toilets, the City will contact each affected household directly with instructions and required steps before service is restored. This update is expected Saturday afternoon.

Comprehensive drinking water safety testing is not expected to be completed until at least Monday, April 27. The City is offering hotel stays for the affected residents who need it. City staff remain in close coordination with State Water Resources Control Board regulators to restore safe water service as quickly as possible.

Residents needing assistance should call 650-903-6081 or email [email protected]. Additional updates are available on the City website.

This notice follows a water main incident involving a City contractor on Friday, April 24, which caused a contamination breach and required the water supply in the affected area to be shut off.

11:45 a.m. Saturday, April 25, Update: For this evening, shower facilities at Eagle Park Pool, 650 Franklin St., are also available to affected residents on Saturday and Sunday, 5:00-8:00 p.m.

7:30 a.m. Saturday, April 25, Update: For residents affected by the water shutoff near Cuesta Park, they may use the shower facilities at Rengstorff Park Aquatics Center. For Saturday and Sunday, the Aquatics Center's shower facilities are available 9:00 a.m.-1:00 p.m.

6:30 a.m. Saturday, April 25, Update: The residents who are affected by the water shutoff near Cuesta Park can utilize the shower facilities that are available at Rengstorff Park Aquatics Center, 2073 Crisanto Ave. Restrooms at the Mountain View Public Library, 585 Franklin St., are also available for their use. The City of Mountain View is also offering hotel stays for those who need it.

Approximately 67 households have their water shut off due to the Friday, April 24, water main incident involving a City contractor near Cuesta Park.

11:30 p.m. Friday, April 24, Update: The City of Mountain View is continuing to respond to Friday's water main incident that forced the water to be shut off to approximately 75 households near Cuesta Park.

The City has issued a "Do Not Use Water" to the affected area. The State Water Resources Control Board and the City are advising these residents to not use the tap water for drinking, cooking, handwashing, or bathing until further notice. The streets affected are portions of Cuesta Drive (600 block), Leona Lane (600-700 block), Montalto Drive, Drucilla Drive, and Carla Court.

On Friday evening, City crews were distributing two cases of bottled water to each affected household. In addition, City of Mountain View Fire Department personnel were also going door-to-door to check on affected residents and their needs.

For assistance, affected residents can call 650-903-6081 or email [email protected].

The City is working closely with State of California regulators to ensure the safety of the drinking water. At this time, the City anticipates the water will remain turned off for at least another day.

5:30 p.m. Friday, April 24, Update: Approximately 75 City of Mountain View water utility customers near Cuesta Park have their water shut off following a construction incident involving a City contractor working on a water main. The incident involves a water main contamination breach near the intersection of Bonita Avenue and Cuesta Drive. On Friday, April 24, the contractor was performing work when some slurry mix came into contact with the live water main. As soon as the City became aware of the situation, City crews began shutting off the water to the affected households.

The streets that are affected by the temporary water shutoff are Cuesta Drive, Leona Lane, Montalto Drive, Drucilla Drive, and Carla Court.

The City is working closely with State of California regulators on a water flushing plan. At this time, the City anticipates that water will be restored within a few hours later tonight.

View this update in Spanish and Chinese.

4:15 p.m. Friday, April 24, Update: Approximately 75 households are currently affected by the water main incident. More details are coming soon.

2:50 p.m. Friday, April 24, Update: City of Mountain View crews are responding to an incident involving a water main in the Bonita Avenue and Cuesta Drive area this afternoon.

As a precaution, crews are shutting off the water to the affected residents. Staff is currently assessing the number of affected households. At this time, it's undetermined how long the water will be shut off.

More information will be shared as it becomes available. For the latest updates, visit MountainView.gov.

En Español

Incidente en la tubería principal de agua cerca de Cuesta Park

Los equipos de la Ciudad de Mountain View están dando respuesta durante esta tarde a un incidente relacionado con la tubería principal en el área de Bonita Avenue y Cuesta Drive.

Como precaución, los equipos municipales van a interrumpir el servicio de agua a los residentes afectados. El personal está ahora mismo evaluando el número de hogares que han sido afectados. En este momento se desconoce cuánto tiempo se interrumpirá el servicio.

Se proporcionará más información tan pronto como esté disponible. Para ver actualizaciones sobre esta noticia, visite MountainView.gov.

Cuesta Park 附近发生供水主管道事故

今天下午，山景城市政工作人员正在处理 Bonita Avenue 与 Cuesta Drive 区域附近发生的一起供水主管道事故。

作为预防措施，工作人员正对受影响的居民用户实施停水。目前，工作人员正在评估受影响的住户数量。截至目前，尚无法确定停水将持续多久。

如有更多信息，我们将随时予以发布。欲获取最新动态，请访问 MountainView.gov 。