Upper Dry Fork
High HazardUnsatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Montana |
| County | Sanders |
| Nearest City | none |
| River/Stream | Dry Fork |
| Coordinates | 47.74844, -114.68230 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 37 ft |
| Dam Length | 2,000 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 4,817 acre-ft |
| Max Storage | 4,817 acre-ft |
| Normal Storage | 2,239 acre-ft |
| Surface Area | 198 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 3,169 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BIA |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 10/28/2020 |
| Emergency Action Plan | Yes |