Dam · United States

How much did the Sepulveda Dam in Los Angeles cost to build?

Sepulveda Dam is a dry flood-control dam on the Los Angeles River in the San Fernando Valley, Los Angeles, built by the US Army Corps of Engineers, Los Angeles District, after the 1938 floods that killed 144 people, with construction from 1940 and completion in 1941. It is 2.93 miles (about 4,716 m) long, 57 feet (about 17.4 m) high and holds 17,300 acre-feet. Wikipedia, citing the Corps of Engineers' Sepulveda Dam Basin Master Plan that could not be opened, gives its cost as USD 6,650,561.

Final project cost

$6.6506 million

Cost basis: 1941

The Sepulveda Dam — on the Los Angeles River forming the Sepulveda Basin, in the San Fernando Valley, Los Angeles, California. A United States Army Corps of Engineers dam built in 1941 in for flood control. The Sepulveda Dam Recreation Area is in the usually dry basin behind the dam.
MokwellaPublic domain

Cost evidence

Basis of the published figure

Final project cost1941
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Project metrics

Key dimensions

Total lengthspl.usace.army.mil
4,716 m

Project record

Timeline

  1. 1940

    Construction started

    spl.usace.army.mil
  2. 1941

    Completed

    spl.usace.army.mil

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