Fact Sheet
US Army Corps of Engineers
U.S. Army Engineer Research and Development Center
April 2004
Public Affairs Office | 3909 Halls Ferry Road | Vicksburg, MS 39180-6199 | (601) 634-2504 | http://www.erdc.usace.army.mil/
Prado Spillway
Purpose: To develop a spillway discharge rating curve and to evaluate current directions and velocities, and wave
and surge magnitudes. It was also used to assess scour and deposition in the tailrace.
Background: The Prado Dam is located
about 40 miles southeast of Los Angeles on
the Santa Ana River, about 30 river miles
from the Pacific Ocean. The dam was
completed in 1941 and controls runoff from a
drainage area of 2255 square miles. It creates
a flood control reservoir that stores water only
during storm events and is used at a limited
capacity for water conservation.
The spillway conn
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