Lower Willow Creek Dam
High HazardPoor ConditionEmergency Action Plan: Yes
Location
| State | Montana |
| County | Granite |
| Nearest City | HALL |
| River/Stream | LOWER WILLOW CREEK |
| Coordinates | 46.55920, -113.31400 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 96 ft |
| Dam Height | 85 ft |
| Dam Length | 970 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 6,230 acre-ft |
| Max Storage | 6,230 acre-ft |
| Normal Storage | 4,930 acre-ft |
| Surface Area | 174 acres |
| Drainage Area | 71 sq mi |
| Max Discharge | 7,400 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | LOWER WILLOW CREEK DRAINAGE DISTRICT |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 09/09/2021 |
| Emergency Action Plan | Yes |