Blackwood Creek 12-a
Blackwood Creek 12-a is an earth dam located in Hayes County, Nebraska, built in 1988. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Blackwood Creek 12-a
The primary purpose of Blackwood Creek 12-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 Tr-blackwood Creek near Mccook.
The dam stands 71 feet tall and stretches 1,080 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 11,205 acre-feet, and collects water from a drainage area of 63 square miles. Completed in 1988, the structure is 38 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 05/26/2020.
At 71 feet, this dam is taller than 96% of all dams in the United States.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Nebraska |
| County | Hayes |
| Nearest City | Mccook |
| River/Stream | Tr-blackwood Creek |
| Coordinates | 40.41992, -100.95565 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 71 ft |
| Dam Height | 68 ft |
| Dam Length | 1,080 ft |
| Year Completed | 1988 (38 years old) |
Storage & Hydraulics
| NID Storage | 11,205 acre-ft |
| Max Storage | 11,205 acre-ft |
| Normal Storage | 28 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 63 sq mi |
| Max Discharge | 12,100 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 | 05/26/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE02323 |
| Federal ID | NE02323 |
| More Info | State Dam Safety Program |