Mt. St. Helens Sediment Retention Structure
| Dam Name | Mt. St. Helens Sediment Retention Structure |
| River | Toutle River |
| Administration City | Washington |
| Country | United States |
| Year | 1988 |
| Dam Height | 73 |
| Dam Length | 549 |
| Area(Sqkm) | 1.8 |
| Area(Polygonal) | 1.8 |
| Capital Expenditure | 155.4 |
| Depth(M) | 86.3 |
| Avg Displacement Of Water | 15635 |
| Catchment Area In Sqkm | 371 |
| Main Usage | Flood control |
| Status | 3: Fair |
| Longitude | -122.547083 |
| Latitude | 46.36375 |
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