Plum Creek 4-a
Plum Creek 4-a is an earth dam located in Pawnee County, Nebraska, built in 1966. It carries a Low hazard potential classification and has a poor condition assessment.
About Plum Creek 4-a
The primary purpose of Plum 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 Big Blue Natural Resources District (local government). It impounds the Tr-plum Creek near Liberty.
The dam stands 38 feet tall and stretches 920 feet across, creates a reservoir covering 28 acres, has a maximum storage capacity of 750 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 09/05/2023.
At 38 feet, this dam is taller than 85% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Nebraska |
| County | Pawnee |
| Nearest City | Liberty |
| River/Stream | Tr-plum Creek |
| Coordinates | 40.11114, -96.41757 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 35 ft |
| Dam Length | 920 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 750 acre-ft |
| Max Storage | 750 acre-ft |
| Normal Storage | 166 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,200 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Lower Big Blue Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 09/05/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00769 |
| Federal ID | NE00769 |
| More Info | State Dam Safety Program |