Plum Creek 3-d is an earth dam located in Pawnee County, Nebraska, built in 1971. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 33 ft33 ft tall and 775 ft long, taller than 76% 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 3-d
The primary purpose of Plum Creek 3-d 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 Liberty.
The dam stands 33 feet tall and stretches 775 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 442 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1971, 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 06/28/2022.
At 33 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Nebraska |
| County | Pawnee |
| Nearest City | Liberty |
| River/Stream | Tr-plum Creek |
| Coordinates | 40.11935, -96.44687 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 32 ft |
| Dam Length | 775 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 442 acre-ft |
| Max Storage | 442 acre-ft |
| Normal Storage | 91 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,148 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 | 06/28/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00781 |
| Federal ID | NE00781 |
| More Info | State Dam Safety Program |