Manley #1
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | Montana |
| County | Powell |
| Nearest City | HELMVILL |
| River/Stream | DOUGLAS CREEK |
| Coordinates | 46.78410, -113.13270 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 100 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 54 acre-ft |
| Max Storage | 54 acre-ft |
| Normal Storage | 18 acre-ft |
| Drainage Area | 16 sq mi |
| Max Discharge | 950 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | JOHN MANLEY |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |