National Dam Safety Program. Sevan Dam (MO 30453), Mississippi - Kaskaskia - St. Louis Basin, Jefferson County, Missouri. Phase I Inspection Report.
PRC CONSOER TOWNSEND INC ST LOUIS MO
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This report assesses the general condition of the dam with respect to safety, based on available data and on visual inspection, to determine if the dam poses hazards to human life or property. The St. Louis District has classified this dam as unsafe because of a large seep on the downstream embankment slope near the left abutment contact, and a seriously inadequate spillway that will pass only 32 percent of the Probable Maximum Flood.
- Hydrology, Limnology and Potamology
- Civil Engineering