Wednesday, January 10, 2018

Prado Reservoir - Riverside County, California


Visited on 1/2/2018 during a trip to proctor examinations for work I visited the Riverside area of South California.  I visited several lakes in the area.  This picture was taken just outside the entrance gate on the west side of the lake.  Prado Reservoir is a reservoir in northwestern Riverside County and southwestern San Bernardino County, a couple of miles west of the city of Corona, California. At an elevation of 489 feet above sea level, the reservoir has a capacity of 6,695 acres and is formed by Prado Dam on the Santa Ana River. The dam is composed of rock-fill and has a height of 106 feet above the original streambed. It was built on the upper end of the Lower Santa Ana River Canyon, where there is a natural constriction in the river. The dam was built by the United States Army Corps of Engineers and was completed in 1941.  Prado Dam and Prado Reservoir provide flood control and water conservation.  Their operation is coordinated with the facilities upstream.  Prado Reservoir is not a storage reservoir, so water is released as quickly as possible while still allowing groundwater recharge.  When the water level reaches the top of the buffer pool, who size changes depending on time of year, water is released at the maximum rate that the downstream channel will allow.


 

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