Cockran Grazing #3 is an earth dam located in Carter County, Montana, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 75 ft long, taller than 50% 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 Cockran Grazing #3
The primary purpose of Cockran Grazing #3 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Cochran Grazing Assn (private). It impounds the South Fork Willow Creek near Camp Crook South Dakota.
The dam stands 25 feet tall and stretches 75 feet across, and has a maximum storage capacity of 69 acre-feet. 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Montana |
| County | Carter |
| Nearest City | Camp Crook South Dakota |
| River/Stream | South Fork Willow Creek |
| Coordinates | 45.08930, -104.70640 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 75 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 69 acre-ft |
| Max Storage | 69 acre-ft |
| Normal Storage | 15 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Cochran Grazing Assn |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02924 |
| Federal ID | MT02924 |
| More Info | State Dam Safety Program |