Oak-middle 57-a
Oak-middle 57-a is an earth dam located in Seward County, Nebraska, built in 1968. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Oak-middle 57-a
The primary purpose of Oak-middle 57-a 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 Lower Platte South Natural Resources District (local government). It impounds the Tr-peanut Creek near Raymond.
The dam stands 48 feet tall and stretches 1,530 feet across, creates a reservoir covering 55 acres, has a maximum storage capacity of 1,697 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1968, 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 05/08/2023.
At 48 feet, this dam is taller than 92% of dams nationwide.
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Location
| State | Nebraska |
| County | Seward |
| Nearest City | Raymond |
| River/Stream | Tr-peanut Creek |
| Coordinates | 41.03139, -96.91424 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 48 ft |
| Dam Height | 43 ft |
| Dam Length | 1,530 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 1,697 acre-ft |
| Max Storage | 1,697 acre-ft |
| Normal Storage | 383 acre-ft |
| Surface Area | 55 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 363 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Lower Platte South Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/08/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00080 |
| Federal ID | NE00080 |
| More Info | State Dam Safety Program |