Oak-middle 68-a
Oak-middle 68-a is an earth dam located in Butler County, Nebraska, built in 1966. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Oak-middle 68-a
The primary purpose of Oak-middle 68-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-oak Creek near Raymond.
The dam stands 40 feet tall and stretches 818 feet across, creates a reservoir covering 26 acres, has a maximum storage capacity of 653 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1966, 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 04/26/2021.
At 40 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Nebraska |
| County | Butler |
| Nearest City | Raymond |
| River/Stream | Tr-oak Creek |
| Coordinates | 41.08858, -96.99775 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 31 ft |
| Dam Length | 818 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 653 acre-ft |
| Max Storage | 653 acre-ft |
| Normal Storage | 175 acre-ft |
| Surface Area | 26 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,016 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 | 04/26/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00022 |
| Federal ID | NE00022 |
| More Info | State Dam Safety Program |