Medicine Lake Dam No. 4
Medicine Lake Dam No. 4 is an earth dam located in Sheridan County, Montana, built in 1935. It carries a Low hazard potential classification and has a poor condition assessment.
About Medicine Lake Dam No. 4
The primary purpose of Medicine Lake Dam No. 4 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 Lake Creek.
The dam stands 15 feet tall and stretches 3,600 feet across, creates a reservoir covering 8,663 acres, has a maximum storage capacity of 67,100 acre-feet, and collects water from a drainage area of 842 square miles. Completed in 1935, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 10/04/2016.
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Location
| State | Montana |
| County | Sheridan |
| River/Stream | Lake Creek |
| Coordinates | 48.47500, -104.50833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 3,600 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 67,100 acre-ft |
| Max Storage | 67,100 acre-ft |
| Normal Storage | 21,835 acre-ft |
| Surface Area | 8,663 acres |
| Drainage Area | 842 sq mi |
| Max Discharge | 170 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 | Poor |
| Last Inspection | 10/04/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00645 |
| Federal ID | MT00645 |
| More Info | State Dam Safety Program |