Aowa Creek 51-1a
Aowa Creek 51-1a is an earth dam located in Dixon County, Nebraska, built in 1991. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Aowa Creek 51-1a
The primary purpose of Aowa Creek 51-1a 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 47 feet tall and stretches 1,219 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 650 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1991, the structure is 35 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 47 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 | 42.64596, -96.89730 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 47 ft |
| Dam Height | 35 ft |
| Dam Length | 1,219 ft |
| Year Completed | 1991 (35 years old) |
Storage & Hydraulics
| NID Storage | 650 acre-ft |
| Max Storage | 650 acre-ft |
| Normal Storage | 48 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 71 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 | NE02362 |
| Federal ID | NE02362 |
| More Info | State Dam Safety Program |