Surcharge
Stored waters exceeding the top of the exclusive flood control pool is called surcharge. On March 15, 2019, the peak pool elevation at Gavins Point Dam was 1212.3 feet, which is in surcharge at 2.3 feet above the exclusive flood control pool. The top of the exclusive flood control pool is 1210.0 feet, at the top of the closed spillway gates.

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Tags: Surcharge
Photo by: US Army Corps of Engineers |  VIRIN: 190316-A-A1408-001.JPG