Nelsen Dam 4068
Nelsen Dam 4068 is an earth dam located in Frontier County, Nebraska, built in 1980. It carries a Low hazard potential classification and has a poor condition assessment.
About Nelsen Dam 4068
The primary purpose of Nelsen Dam 4068 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 Daniel L Nelsen (private). It impounds the Tr-medicine Creek near Stockville.
The dam stands 38 feet tall and stretches 540 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 1,353 acre-feet, and collects water from a drainage area of 12 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 08/10/2023.
At 38 feet, this dam is taller than 85% of dams nationwide.
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Location
| State | Nebraska |
| County | Frontier |
| Nearest City | Stockville |
| River/Stream | Tr-medicine Creek |
| Coordinates | 40.57965, -100.40721 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 540 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 1,353 acre-ft |
| Max Storage | 1,353 acre-ft |
| Normal Storage | 111 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 12 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Daniel L Nelsen |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 08/10/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE04068 |
| Federal ID | NE04068 |
| More Info | State Dam Safety Program |