Cottonwood Creek 6-b
Cottonwood Creek 6-b is an earth dam located in Saunders County, Nebraska, built in 1979. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Cottonwood Creek 6-b
The primary purpose of Cottonwood Creek 6-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 Platte North Natural Resources District (local government). It impounds the Tr-cottonwood Creek near Prague.
The dam stands 55 feet tall and stretches 1,290 feet across, creates a reservoir covering 22 acres, has a maximum storage capacity of 1,537 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1979, the structure is 47 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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 05/06/2021.
At 55 feet, this dam is taller than 94% of dams nationwide.
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Location
| State | Nebraska |
| County | Saunders |
| Nearest City | Prague |
| River/Stream | Tr-cottonwood Creek |
| Coordinates | 41.31757, -96.83529 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 55 ft |
| Dam Height | 49 ft |
| Dam Length | 1,290 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 1,537 acre-ft |
| Max Storage | 1,537 acre-ft |
| Normal Storage | 124 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 3 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Lower Platte North Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/06/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01502 |
| Federal ID | NE01502 |
| More Info | State Dam Safety Program |