ICYMI: 5 water main breaks in a week raising questions about Los Angeles’ aging infrastructure

Last week, a major trunk line ruptured in Los Angeles, sending thousands of gallons of water rushing down the Sunset Strip and into surrounding neighborhoods. Later that same week, two additional pipe failures caused flooding in Venice. In total, five water main breaks were reported within a single week, raising serious concerns about the city’s aging water infrastructure. 

These incidents are the consequences of relying on outdated infrastructure that is more than a century old. In 2019, the Los Angeles Department of Water and Power (LADWP) reported that roughly 29% of the city’s pipes were more than 80 years old, approaching their typical 100-year lifespan.

The latest failures also echo the 2014 rupture of a trunk line on Sunset Boulevard, which released millions of gallons of water onto the UCLA campus, flooding multiple buildings and causing millions of dollars in damage. In the aftermath, the Los Angeles Times found that nearly half of the city’s water pipes had received a condition grade of “C” or lower from officials.

It remains unclear how long repairs to the damaged trunk line in West Hollywood will take. Meanwhile, utility and state leaders continue to prioritize costly projects like the Delta Tunnel rather than addressing California’s urgent need to modernize its aging water infrastructure.

These ruptures are a reminder that California must rethink its approach to water resilience. Southern California should embrace the Water Renaissance Plan by investing in sustainable, local water supplies and practical infrastructure upgrades that strengthen reliability and help prevent future disasters, rather than relying on large-scale water diversion projects.

Read more about last week’s water line breaks:

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