Willow Creek Bor Mt-dike 3
Willow Creek Bor Mt-dike 3 is an earth dam located in Lewis and Clark County, Montana, built in 1941. It carries a High hazard potential classification.
About Willow Creek Bor Mt-dike 3
Willow Creek Bor Mt-dike 3 is a dam in Lewis and Clark, Montana. The dam is owned by Bureau Of Reclamation (federal). It impounds the Willow Creek.
The dam stands 3 feet tall and stretches 70 feet across, and has a maximum storage capacity of 39,800 acre-feet. Completed in 1941, the structure is well-established, with more than 75 years of service.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. An emergency action plan is in place for this dam. The most recent inspection on record was 05/18/2022.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Montana dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Montana |
| County | Lewis and Clark |
| River/Stream | Willow Creek |
| Coordinates | 47.55320, -112.42220 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 3 ft |
| Dam Height | 3 ft |
| Dam Length | 70 ft |
| Year Completed | 1941 (85 years old) |
Storage & Hydraulics
| NID Storage | 39,800 acre-ft |
| Max Storage | 39,800 acre-ft |
| Normal Storage | 32,300 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Owner | BUREAU OF RECLAMATION |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 05/18/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MT00577 |
| Federal ID | MT00577S002 |
| More Info | State Dam Safety Program |