Cool Black Rock
Montana — Hill County — ROCKY COULEE
Location
| State | Montana |
| County | Hill |
| River | ROCKY COULEE |
| Coordinates | 48.41800, -110.65580 |
Physical Characteristics
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 900 ft |
| NID Storage | 100 acre-ft |
| Max Storage | 100 acre-ft |
| Surface Area | — |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | — |
| EAP Status | Not Required |
| Last Inspection | — |
| Inspection Frequency | — |
Dam Information
| Year Completed | 1919 |
| Primary Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | ALFRED E RATHBUN |
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.