Lamesteer Dam
Lamesteer Dam is an earth dam located in Wibaux County, Montana, built in 1938. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.
About Lamesteer Dam
The primary purpose of Lamesteer Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Us Fish And Wildlife Service (federal). It impounds the Lamesteer Creek.
The dam stands 34 feet tall and stretches 1,830 feet across, creates a reservoir covering 110 acres, has a maximum storage capacity of 1,470 acre-feet, and collects water from a drainage area of 31 square miles. Completed in 1938, the structure is well-established, with more than 75 years of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 09/09/2020.
At 34 feet, this dam is taller than 80% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Montana |
| County | Wibaux |
| River/Stream | Lamesteer Creek |
| Coordinates | 46.80000, -104.15667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 22 ft |
| Dam Length | 1,830 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 1,470 acre-ft |
| Max Storage | 1,470 acre-ft |
| Normal Storage | 423 acre-ft |
| Surface Area | 110 acres |
| Drainage Area | 31 sq mi |
| Max Discharge | 2,970 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | US FISH AND WILDLIFE SERVICE |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 09/09/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00643 |
| Federal ID | MT00643 |
| More Info | State Dam Safety Program |