Cottonwood Creek 32-a
Cottonwood Creek 32-a is an earth dam located in Saunders County, Nebraska, built in 1972. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Cottonwood Creek 32-a
The primary purpose of Cottonwood Creek 32-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 Platte North Natural Resources District (local government). It impounds the Tr-cottonwood Creek near Malmo.
The dam stands 30 feet tall and stretches 936 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 306 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1972, 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.
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Location
| State | Nebraska |
| County | Saunders |
| Nearest City | Malmo |
| River/Stream | Tr-cottonwood Creek |
| Coordinates | 41.27036, -96.73697 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 27 ft |
| Dam Length | 936 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 306 acre-ft |
| Max Storage | 306 acre-ft |
| Normal Storage | 71 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,029 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 | NE00253 |
| Federal ID | NE00253 |
| More Info | State Dam Safety Program |