Aowa Creek 63-1a is an earth dam located in Dixon County, Nebraska, built in 1978. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 48 ft48 ft tall and 1,016 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 Aowa Creek 63-1a
The primary purpose of Aowa Creek 63-1a 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 Lewis & Clark Natural Resources District (local government). It impounds the Tr-aowa Creek near Newcastle.
The dam stands 48 feet tall and stretches 1,016 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 640 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1978, the structure is 48 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 09/04/2019.
At 48 feet, this dam is taller than 92% of dams nationwide.
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Location
| State | Nebraska |
| County | Dixon |
| Nearest City | Newcastle |
| River/Stream | Tr-aowa Creek |
| Coordinates | 42.61873, -96.92851 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 48 ft |
| Dam Height | 48 ft |
| Dam Length | 1,016 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 640 acre-ft |
| Max Storage | 640 acre-ft |
| Normal Storage | 31 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 830 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Lewis & Clark Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/04/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01662 |
| Federal ID | NE01662 |
| More Info | State Dam Safety Program |