North Oak Creek 6-g is an earth dam located in Butler County, Nebraska, built in 1979. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 40 ft40 ft tall and 850 ft long, taller than 86% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About North Oak Creek 6-g
The primary purpose of North Oak Creek 6-g 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-north Oak Creek near Valparaiso.
The dam stands 40 feet tall and stretches 850 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 506 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1979, the structure is 47 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 12/02/2022.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Nebraska |
| County | Butler |
| Nearest City | Valparaiso |
| River/Stream | Tr-north Oak Creek |
| Coordinates | 41.14649, -96.95409 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 39 ft |
| Dam Length | 850 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 506 acre-ft |
| Max Storage | 506 acre-ft |
| Normal Storage | 122 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,767 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Lower Platte South Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 12/02/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00064 |
| Federal ID | NE00064 |
| More Info | State Dam Safety Program |