Blackwood Creek 72-a
Blackwood Creek 72-a is an earth dam located in Hayes County, Nebraska, built in 1989. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Blackwood Creek 72-a
The primary purpose of Blackwood Creek 72-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 Middle Republican Natural Resources District (local government). It impounds the Unnamed Tr-blackwood Creek near Mccook.
The dam stands 65 feet tall and stretches 760 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 658 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1989, the structure is 37 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 06/25/2020.
At 65 feet, this dam is taller than 96% of all dams in the United States.
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Location
| State | Nebraska |
| County | Hayes |
| Nearest City | Mccook |
| River/Stream | Unnamed Tr-blackwood Creek |
| Coordinates | 40.45164, -101.03514 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 65 ft |
| Dam Height | 45 ft |
| Dam Length | 760 ft |
| Year Completed | 1989 (37 years old) |
Storage & Hydraulics
| NID Storage | 658 acre-ft |
| Max Storage | 658 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 1,389 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 | 06/25/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE02325 |
| Federal ID | NE02325 |
| More Info | State Dam Safety Program |