Costa Mesa Police and Fire Departments, and Mesa Water are on scene at Baker Street & Randolph Avenue handling a water main break.
There is a closure on Baker Street between Bristol and Bear Streets. This intersection is closed in all directions.
Closures in effect for several hours, pls avoid area. Check @costamesapd X account for updates.

Here’s a summary of how often water main breaks shut down city streets in California:
- Water main breaks are a regular occurrence across California, especially in older cities with aging infrastructure.
- San Francisco reports between 100 to 200 water main breaks each year, many of which lead to street closures.
- Los Angeles experiences frequent breaks, with some incidents causing major flooding and damage to roadways.
- California City has over 200 miles of aging metal pipes, contributing to repeated water main failures.
- Causes include aging infrastructure, ground movement from droughts or heavy rains, and pressure fluctuations in the water system.
- Breaks often result in emergency street closures, sinkholes, and service disruptions to homes and businesses.
- Caltrans monitors and reports emergency road closures statewide, including those caused by water main breaks.
