Johnson Dam 1706
Johnson Dam 1706 is an earth dam located in Otoe County, Nebraska, built in 1979. It carries a Low hazard potential classification and has a fair condition assessment.
About Johnson Dam 1706
Johnson Dam 1706 is a dam in Otoe, Nebraska. The dam is owned by Otoe County (local government). It impounds the Tr-weeping Water Creek near Nebraska City.
The dam stands 46 feet tall and stretches 490 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 59 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1979, the structure is 47 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 05/19/2022.
At 46 feet, this dam is taller than 91% of dams nationwide.
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Location
| State | Nebraska |
| County | Otoe |
| Nearest City | Nebraska City |
| River/Stream | Tr-weeping Water Creek |
| Coordinates | 40.76910, -95.89245 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 46 ft |
| Dam Height | 46 ft |
| Dam Length | 490 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 59 acre-ft |
| Max Storage | 59 acre-ft |
| Normal Storage | 31 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 55 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Otoe County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/19/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01706 |
| Federal ID | NE01706 |
| More Info | State Dam Safety Program |