Sediment trap sizing table
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Drainage area (ac) Total Volume (ft3) Wet Volume (ft3) Dry Volume (ft3) Minimum Depth (ft) Depth of Permanent Pool (ft) Minimum Bottom Length (ft) Minimum Bottom Width
1 3600 1800 1800 2.5 1.5 46 23
2 7200 3600 3600 2.75 1.5 64 32
3 10800 5400 5400 3.0 1.75 76 38

Table assumes 2:1 side slopes; Minimum depth is from trap bottom to weir crest and includes both wet and dry storage

This page was last edited on 13 April 2020, at 19:47.

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