Oak-middle 79-a
Oak-middle 79-a is an earth dam located in Seward County, Nebraska, built in 1963. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Oak-middle 79-a
The primary purpose of Oak-middle 79-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-middle Oak Creek near Raymond.
The dam stands 47 feet tall and stretches 836 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 632 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1963, 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 06/28/2021.
At 47 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-middle Oak Creek |
| Coordinates | 41.00980, -96.96971 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 47 ft |
| Dam Height | 43 ft |
| Dam Length | 836 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 632 acre-ft |
| Max Storage | 632 acre-ft |
| Normal Storage | 103 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,760 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 | 06/28/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00074 |
| Federal ID | NE00074 |
| More Info | State Dam Safety Program |