Jappe
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | Montana |
| County | Chouteau |
| Nearest City | NO TOWN |
| River/Stream | EIGHTMILE COULEE |
| Coordinates | 47.77420, -109.77200 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 36 ft |
| Dam Length | 600 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 500 acre-ft |
| Max Storage | 500 acre-ft |
| Normal Storage | 445 acre-ft |
| Drainage Area | 7 sq mi |
| Max Discharge | 1,050 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | HENRY J DRGA |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |