Prado Dam, Flood control dam in Riverside County, United States.
Prado Dam stretches 2,280 feet across the Santa Ana River at the Chino Hills, creating a reservoir with a capacity of 362,000 acre-feet of water.
The United States Army Corps of Engineers completed this earth-fill dam in 1941, following the devastating floods of 1938 that demonstrated the need for water control.
The dam's spillway features an American Bicentennial mural that has become part of the Corona landscape and represents local engineering achievements.
The structure manages water flow for Orange, Riverside, and San Bernardino Counties while facilitating groundwater recharge through controlled water releases.
Initial construction made Prado Dam the largest earthen dam in the United States, with a height of 106 feet above the original streambed.
Location: Riverside County
GPS coordinates: 33.89020,-117.64100
Latest update: March 13, 2025 22:22
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