Aowa Creek 32-3a
Aowa Creek 32-3a is an earth dam located in Dixon County, Nebraska, built in 2000. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Aowa Creek 32-3a
The primary purpose of Aowa Creek 32-3a 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 Powder Creek near Ponca.
The dam stands 67 feet tall and stretches 717 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 353 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 2000, the structure is 26 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 09/08/2021.
At 67 feet, this dam is taller than 96% of all dams in the United States.
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Location
| State | Nebraska |
| County | Dixon |
| Nearest City | Ponca |
| River/Stream | Powder Creek |
| Coordinates | 42.57852, -96.89499 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 67 ft |
| Dam Height | 55 ft |
| Dam Length | 717 ft |
| Year Completed | 2000 (26 years old) |
Storage & Hydraulics
| NID Storage | 353 acre-ft |
| Max Storage | 353 acre-ft |
| Normal Storage | 41 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 909 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 | 09/08/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE02545 |
| Federal ID | NE02545 |
| More Info | State Dam Safety Program |