Black Hill Basin Dam is an earth dam located in Custer County, Nebraska, built in 1974. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 48 ft48 ft tall and 2,090 ft long, taller than 92% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Black Hill Basin Dam
Black Hill Basin Dam is a dam in Custer, Nebraska. The dam is owned by Custer County Highway Department (local government). It impounds the Tr-south Loup River near Pleasanton.
The dam stands 48 feet tall and stretches 2,090 feet across, has a maximum storage capacity of 636 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1974, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 05/07/2019.
At 48 feet, this dam is taller than 92% of dams nationwide.
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Location
| State | Nebraska |
| County | Custer |
| Nearest City | Pleasanton |
| River/Stream | Tr-south Loup River |
| Coordinates | 41.09147, -99.28283 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 48 ft |
| Dam Height | 44 ft |
| Dam Length | 2,090 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 636 acre-ft |
| Max Storage | 636 acre-ft |
| Drainage Area | 4 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Custer County Highway Department |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/07/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00706 |
| Federal ID | NE00706 |
| More Info | State Dam Safety Program |