Plum Creek 2-a
Plum Creek 2-a is an earth dam located in Gage County, Nebraska, built in 1971. It carries a Low hazard potential classification and has a fair condition assessment.
About Plum Creek 2-a
The primary purpose of Plum Creek 2-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 Oketo Ks.
The dam stands 39 feet tall and stretches 639 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 375 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 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 04/03/2020.
At 39 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 | 40.06620, -96.50095 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 39 ft |
| Dam Height | 37 ft |
| Dam Length | 639 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 375 acre-ft |
| Max Storage | 375 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,030 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Lower Big Blue Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/03/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00998 |
| Federal ID | NE00998 |
| More Info | State Dam Safety Program |