Iverson Retention Dam
Montana — Petroleum County — FLATWILLOW CK./MUSSELSHELL RIV
Location
| State | Montana |
| County | Petroleum |
| River | FLATWILLOW CK./MUSSELSHELL RIV |
| Coordinates | 46.77997, -108.52113 |
Physical Characteristics
| NID Height | 22 ft |
| Dam Height | — |
| Dam Length | 306 ft |
| NID Storage | 66 acre-ft |
| Max Storage | 66 acre-ft |
| Surface Area | 11 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Poor |
| EAP Status | Not Required |
| Last Inspection | August 9, 2010 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1968 |
| Primary Purpose | Flood Risk Reduction |
| Dam Type | Gravity |
| Owner Type | Federal |
| Owner | DOI BLM |
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.