Arehart Dam
Arehart Dam is an earth dam located in Phelps County, Nebraska, built in 1995. It carries a Low hazard potential classification and has a poor condition assessment.
About Arehart Dam
The primary purpose of Arehart Dam 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 Kdb Ltd (private). It impounds the Tr-elm Creek near Alma.
The dam stands 33 feet tall and stretches 358 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 150 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1995, the structure is 31 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 12/12/2023.
At 33 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Nebraska |
| County | Phelps |
| Nearest City | Alma |
| River/Stream | Tr-elm Creek |
| Coordinates | 40.44122, -99.54285 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 28 ft |
| Dam Length | 358 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 288 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | KDB LTD |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 12/12/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00376 |
| Federal ID | NE00376 |
| More Info | State Dam Safety Program |