Cowan Reservoir
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | Montana |
| County | Chouteau |
| Nearest City | BOX ELDER |
| River/Stream | DUCK CREEK |
| Coordinates | 48.25680, -109.90360 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 990 ft |
| Year Completed | 1936 (90 years old) |
Storage & Hydraulics
| NID Storage | 211 acre-ft |
| Max Storage | 211 acre-ft |
| Normal Storage | 89 acre-ft |
| Max Discharge | 120 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | COWAN & SON INC |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |