Cornwell
Significant Hazard ConditionEmergency Action Plan: Not Required
Location
| State | Montana |
| County | Valley |
| Nearest City | GLASGOW |
| River/Stream | WIRE GRASS COULEE |
| Coordinates | 48.37440, -106.71340 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 400 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 423 acre-ft |
| Max Storage | 423 acre-ft |
| Normal Storage | 238 acre-ft |
| Drainage Area | 2 sq mi |
| Max Discharge | 600 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | CORNWELL RANCH |
| Owner Type | Private |
| Hazard Classification | Significant |
| Emergency Action Plan | Not Required |