Big Sandy Creek 20-6-7
Big Sandy Creek 20-6-7 is an earth dam located in Clay County, Nebraska, built in 1982. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Big Sandy Creek 20-6-7
Big Sandy Creek 20-6-7 is a dam in Clay, Nebraska. The dam is owned by Little Blue Natural Resources District (local government). It impounds the Big Sandy Creek near 2 Farmsteads.
The dam stands 45 feet tall and stretches 2,600 feet across, creates a reservoir covering 221 acres, has a maximum storage capacity of 11,524 acre-feet, and collects water from a drainage area of 40 square miles. Completed in 1982, the structure is 44 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 06/15/2023.
At 45 feet, this dam is taller than 91% of dams nationwide.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Nebraska dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Nebraska |
| County | Clay |
| Nearest City | 2 Farmsteads |
| River/Stream | Big Sandy Creek |
| Coordinates | 40.46838, -98.13235 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 45 ft |
| Dam Height | 36 ft |
| Dam Length | 2,600 ft |
| Year Completed | 1982 (44 years old) |
Storage & Hydraulics
| NID Storage | 11,524 acre-ft |
| Max Storage | 11,524 acre-ft |
| Normal Storage | 1,389 acre-ft |
| Surface Area | 221 acres |
| Drainage Area | 40 sq mi |
| Max Discharge | 26,491 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Little Blue Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/15/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NE00703 |
| Federal ID | NE00703 |
| More Info | State Dam Safety Program |