Dry Creek South 1-d is an earth dam located in Red Willow County, Nebraska, built in 1965. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 38 ft38 ft tall and 556 ft long, taller than 84% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Dry Creek South 1-d
The primary purpose of Dry Creek South 1-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 Middle Republican Natural Resources District (local government). It impounds the Tr-dry Creek near Mccook.
The dam stands 38 feet tall and stretches 556 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 590 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1965, 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 07/18/2023.
At 38 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Nebraska |
| County | Red Willow |
| Nearest City | Mccook |
| River/Stream | Tr-dry Creek |
| Coordinates | 40.07500, -100.64543 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 556 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 590 acre-ft |
| Max Storage | 590 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 822 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Middle Republican Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/18/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00564 |
| Federal ID | NE00564 |
| More Info | State Dam Safety Program |