Sediment trap sizing table
Link to this table
| 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 |
Notes:
- Table assumes 2:1 side slopes.
- Minimum depth is from trap bottom to weir crest and includes both wet and dry storage.