North Oak Creek 4-a
North Oak Creek 4-a is an earth dam located in Saunders County, Nebraska, built in 1979. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About North Oak Creek 4-a
The primary purpose of North Oak Creek 4-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 Hunters Slough near Valparaiso.
The dam stands 60 feet tall and stretches 1,900 feet across, creates a reservoir covering 51 acres, has a maximum storage capacity of 2,195 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1979, the structure is 47 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 05/24/2022.
At 60 feet, this dam is taller than 95% of all dams in the United States.
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Location
| State | Nebraska |
| County | Saunders |
| Nearest City | Valparaiso |
| River/Stream | Hunters Slough |
| Coordinates | 41.16246, -96.87394 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 60 ft |
| Dam Height | 55 ft |
| Dam Length | 1,900 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 2,195 acre-ft |
| Max Storage | 2,195 acre-ft |
| Normal Storage | 454 acre-ft |
| Surface Area | 51 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 684 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 | 05/24/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01820 |
| Federal ID | NE01820 |
| More Info | State Dam Safety Program |