Source: KHTS Hometown Station
Date: 03/14/2026 12:54pm

Article Summary:
**March 14, 1928: The Catastrophic Collapse of the St. Francis Dam**
On March 14, 1928, the St. Francis Dam in San Francisquito Canyon catastrophically collapsed just before midnight, unleashing a massive flood that killed at least 431 people and destroyed homes and farmland along a 55-mile path to the Pacific Ocean. The dam, designed by Los Angeles water chief William Mulholland to secure the city’s water supply, had experienced structural issues prior to the disaster, which remains one of the deadliest civil engineering failures in U.S. history.

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