Aowa Creek 61-11a
Aowa Creek 61-11a is an earth dam located in Dixon County, Nebraska, built in 1975. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Aowa Creek 61-11a
The primary purpose of Aowa Creek 61-11a 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 51 feet tall and stretches 717 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 471 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1975, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 09/04/2019.
At 51 feet, this dam is taller than 93% of dams nationwide.
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Location
| State | Nebraska |
| County | Dixon |
| Nearest City | Newcastle |
| River/Stream | Tr-aowa Creek |
| Coordinates | 42.63562, -96.95996 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 51 ft |
| Dam Height | 50 ft |
| Dam Length | 717 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 471 acre-ft |
| Max Storage | 471 acre-ft |
| Normal Storage | 89 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 422 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 | NE01523 |
| Federal ID | NE01523 |
| More Info | State Dam Safety Program |