Cottonwood Creek 8-d
Cottonwood Creek 8-d is an earth dam located in Saunders County, Nebraska, built in 1968. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Cottonwood Creek 8-d
The primary purpose of Cottonwood Creek 8-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 Platte North Natural Resources District (local government). It impounds the Tr-cottonwood Creek near Wahoo.
The dam stands 37 feet tall and stretches 1,110 feet across, creates a reservoir covering 36 acres, has a maximum storage capacity of 753 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1968, 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 06/29/2021.
At 37 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Nebraska |
| County | Saunders |
| Nearest City | Wahoo |
| River/Stream | Tr-cottonwood Creek |
| Coordinates | 41.25275, -96.64940 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 27 ft |
| Dam Length | 1,110 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 753 acre-ft |
| Max Storage | 753 acre-ft |
| Normal Storage | 186 acre-ft |
| Surface Area | 36 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,327 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Lower Platte North Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/29/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00057 |
| Federal ID | NE00057 |
| More Info | State Dam Safety Program |