Nuhn #3 is an earth dam located in Carter County, Montana, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 35 ft35 ft tall and 250 ft long, taller than 80% of U.S. dams with a recorded height. 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 Nuhn #3
The primary purpose of Nuhn #3 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by George Nuhn (private). It impounds the Tr-south Cottonwood Creek near Camp Crook S Dakota.
The dam stands 35 feet tall and stretches 250 feet across, has a maximum storage capacity of 194 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1965, the structure is well into its service life at over 50 years old.
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.
At 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Montana |
| County | Carter |
| Nearest City | Camp Crook S Dakota |
| River/Stream | Tr-south Cottonwood Creek |
| Coordinates | 45.18700, -104.61490 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 250 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 194 acre-ft |
| Max Storage | 194 acre-ft |
| Normal Storage | 89 acre-ft |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | George Nuhn |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02451 |
| Federal ID | MT02451 |
| More Info | State Dam Safety Program |