Hasland #2 is an earth dam located in Sheridan County, Montana, built in 1946. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 150 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Hasland #2
The primary purpose of Hasland #2 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Paula Althoff (private). It impounds the Tr-mccoy Creek near Raymond.
The dam stands 15 feet tall and stretches 150 feet across, and has a maximum storage capacity of 167 acre-feet. Completed in 1946, 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.
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Location
| State | Montana |
| County | Sheridan |
| Nearest City | Raymond |
| River/Stream | Tr-mccoy Creek |
| Coordinates | 48.88660, -104.51120 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 150 ft |
| Year Completed | 1946 (80 years old) |
Storage & Hydraulics
| NID Storage | 167 acre-ft |
| Max Storage | 167 acre-ft |
| Normal Storage | 50 acre-ft |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Paula Althoff |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02507 |
| Federal ID | MT02507 |
| More Info | State Dam Safety Program |