Black Lake
High HazardUnsatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Montana |
| County | Missoula |
| Nearest City | Arlee |
| River/Stream | Jocko River |
| Coordinates | 47.20130, -113.73250 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 75 ft |
| Dam Height | 60 ft |
| Dam Length | 530 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 6,800 acre-ft |
| Max Storage | 6,800 acre-ft |
| Normal Storage | 5,200 acre-ft |
| Surface Area | 143 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 21,625 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | BIA |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 10/05/2020 |
| Emergency Action Plan | Yes |