Irwin Dam
South Dakota — Tripp County — WHITE RIVER OFF STREAM
Location
| State | South Dakota |
| County | Tripp |
| River | WHITE RIVER OFF STREAM |
| Coordinates | 43.30833, -99.59666 |
Physical Characteristics
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 1,400 ft |
| NID Storage | 684 acre-ft |
| Max Storage | 315 acre-ft |
| Surface Area | 45 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | — |
| EAP Status | Not Required |
| Last Inspection | May 9, 1990 |
| Inspection Frequency | — |
Dam Information
| Year Completed | 1938 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | DON MANSCHEIM |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.