Petrolia
Montana — Petroleum County — SOUTH FORK FLATWILLOW CREEK
Location
| State | Montana |
| County | Petroleum |
| River | SOUTH FORK FLATWILLOW CREEK |
| Coordinates | 46.94100, -108.23590 |
Physical Characteristics
| NID Height | 76 ft |
| Dam Height | 76 ft |
| Dam Length | 3,635 ft |
| NID Storage | 14,170 acre-ft |
| Max Storage | 14,170 acre-ft |
| Surface Area | 515 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | April 26, 2023 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1951 |
| Primary Purpose | Irrigation |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | PETROLIA IRRIGATION DISTRICT |
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.