Jocko
High HazardPoor ConditionEmergency Action Plan: Yes
Location
| State | Montana |
| County | Missoula |
| Nearest City | Arlee |
| River/Stream | Jocko River |
| Coordinates | 47.20280, -113.76080 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 51 ft |
| Dam Height | 20 ft |
| Dam Length | 310 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 9,981 acre-ft |
| Max Storage | 9,981 acre-ft |
| Normal Storage | 6,566 acre-ft |
| Surface Area | 128 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 700 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BIA |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 10/05/2020 |
| Emergency Action Plan | Yes |