Rock Creek 24-a
Rock Creek 24-a is an earth dam located in Pawnee County, Nebraska, built in 1966. It carries a Low hazard potential classification and has a fair condition assessment.
About Rock Creek 24-a
The primary purpose of Rock Creek 24-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 Nemaha Natural Resources District (local government). It impounds the Tr-rock Creek near Steinauer.
The dam stands 40 feet tall and stretches 708 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 334 acre-feet, and collects water from a drainage area of 0 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 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 05/12/2021.
At 40 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Nebraska |
| County | Pawnee |
| Nearest City | Steinauer |
| River/Stream | Tr-rock Creek |
| Coordinates | 40.21700, -96.31489 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 38 ft |
| Dam Length | 708 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 334 acre-ft |
| Max Storage | 334 acre-ft |
| Normal Storage | 68 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,016 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Nemaha Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/12/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00773 |
| Federal ID | NE00773 |
| More Info | State Dam Safety Program |