Plum Creek 2-b is an earth dam located in Gage County, Nebraska, built in 1963. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 40 ft40 ft tall and 1,400 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 Plum Creek 2-b
The primary purpose of Plum Creek 2-b 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 Big Blue Natural Resources District (local government). It impounds the Tr-plum Creek near Oketo Ks.
The dam stands 40 feet tall and stretches 1,400 feet across, creates a reservoir covering 30 acres, has a maximum storage capacity of 846 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 05/23/2023.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Nebraska |
| County | Gage |
| Nearest City | Oketo Ks |
| River/Stream | Tr-plum Creek |
| Coordinates | 40.08061, -96.49585 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 37 ft |
| Dam Length | 1,400 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 846 acre-ft |
| Max Storage | 846 acre-ft |
| Normal Storage | 182 acre-ft |
| Surface Area | 30 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,448 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Lower Big Blue Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/23/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00945 |
| Federal ID | NE00945 |
| More Info | State Dam Safety Program |