Mcglynn Reservoir
Mcglynn Reservoir is an earth dam located in Richland County, Montana, built in 1939. It carries a Significant hazard potential classification.
About Mcglynn Reservoir
The primary purpose of Mcglynn Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Esther Scheetz (private). It impounds the Tr-bennie Peer Creek near Sidney.
The dam stands 26 feet tall and stretches 325 feet across, creates a reservoir covering 30 acres, has a maximum storage capacity of 412 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1939, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
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Location
| State | Montana |
| County | Richland |
| Nearest City | Sidney |
| River/Stream | Tr-bennie Peer Creek |
| Coordinates | 47.66300, -104.07350 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 325 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 412 acre-ft |
| Max Storage | 412 acre-ft |
| Normal Storage | 261 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 3 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | ESTHER SCHEETZ |
| Owner Type | Private |
| Hazard Classification | Significant |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00518 |
| Federal ID | MT00518 |
| More Info | State Dam Safety Program |