Willow Creek Dam
High HazardPoor ConditionEmergency Action Plan: Yes
Location
| State | Montana |
| County | Madison |
| Nearest City | WILLOW CREEK |
| River/Stream | WILLOW CREEK |
| Coordinates | 45.71380, -111.69970 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 105 ft |
| Dam Height | 105 ft |
| Dam Length | 453 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 26,600 acre-ft |
| Max Storage | 26,600 acre-ft |
| Normal Storage | 18,000 acre-ft |
| Surface Area | 885 acres |
| Drainage Area | 155 sq mi |
| Max Discharge | 8,300 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | STATE WATER PROJECTS |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 07/02/2024 |
| Emergency Action Plan | Yes |