Copper Penny Dam is an earth dam located in Cass County, Nebraska, built in 1980. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 38 ft38 ft tall and 2,360 ft long, taller than 84% 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 Copper Penny Dam
The primary purpose of Copper Penny Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bachelor Creek LLC (private). It impounds the Tr-eight Mile Creek near Plattsmouth.
The dam stands 38 feet tall and stretches 2,360 feet across, creates a reservoir covering 26 acres, has a maximum storage capacity of 312 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1980, the structure is 46 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 04/18/2019.
At 38 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Nebraska |
| County | Cass |
| Nearest City | Plattsmouth |
| River/Stream | Tr-eight Mile Creek |
| Coordinates | 40.98992, -95.98381 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 30 ft |
| Dam Length | 2,360 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 312 acre-ft |
| Max Storage | 312 acre-ft |
| Normal Storage | 226 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 300 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Bachelor Creek LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/18/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01704 |
| Federal ID | NE01704 |
| More Info | State Dam Safety Program |