Berthelote
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | Montana |
| County | Toole |
| Nearest City | GALATA |
| River/Stream | GREEN COULEE |
| Coordinates | 48.89250, -111.55650 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 303 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 70 acre-ft |
| Max Storage | 70 acre-ft |
| Normal Storage | 42 acre-ft |
| Drainage Area | 3 sq mi |
| Max Discharge | 300 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | GREEN COULEE RANCH |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |