Aowa Creek 31-1 is an earth dam located in Dixon County, Nebraska, built in 1972. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 38 ft38 ft tall and 530 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 Aowa Creek 31-1
Aowa Creek 31-1 is a dam in Dixon, Nebraska. The dam is owned by Lewis & Clark Natural Resources District (local government). It impounds the Tr-powder Creek near Ponca.
The dam stands 38 feet tall and stretches 530 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 59 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1972, the structure is well into its service life at over 50 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 04/08/2020.
At 38 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Nebraska |
| County | Dixon |
| Nearest City | Ponca |
| River/Stream | Tr-powder Creek |
| Coordinates | 42.60387, -96.83599 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 530 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 59 acre-ft |
| Max Storage | 59 acre-ft |
| Normal Storage | 19 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 132 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Lewis & Clark Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 04/08/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00402 |
| Federal ID | NE00402 |
| More Info | State Dam Safety Program |