Oak-middle 72-a
Oak-middle 72-a is an earth dam located in Seward County, Nebraska, built in 1970. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Oak-middle 72-a
The primary purpose of Oak-middle 72-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 44 feet tall and stretches 1,022 feet across, creates a reservoir covering 28 acres, has a maximum storage capacity of 1,103 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1970, 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 06/22/2021.
At 44 feet, this dam is taller than 90% of dams nationwide.
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Location
| State | Nebraska |
| County | Seward |
| Nearest City | Raymond |
| River/Stream | Tr-middle Oak Creek |
| Coordinates | 40.97026, -96.93457 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 44 ft |
| Dam Height | 42 ft |
| Dam Length | 1,022 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 1,103 acre-ft |
| Max Storage | 1,103 acre-ft |
| Normal Storage | 178 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 1,060 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 | 06/22/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00084 |
| Federal ID | NE00084 |
| More Info | State Dam Safety Program |