Thompson Creek Dam
Thompson Creek Dam is an earth dam located in Sarpy County, Nebraska, built in 1986. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Thompson Creek Dam
The primary purpose of Thompson Creek Dam 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 City Of La Vista Public Works Department (local government). It impounds the Thompson Creek near La Vista.
The dam stands 37 feet tall and stretches 1,025 feet across, has a maximum storage capacity of 122 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1986, the structure is 40 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 04/03/2024.
At 37 feet, this dam is taller than 84% 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 | Sarpy |
| Nearest City | La Vista |
| River/Stream | Thompson Creek |
| Coordinates | 41.18390, -96.03860 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 27 ft |
| Dam Length | 1,025 ft |
| Year Completed | 1986 (40 years old) |
Storage & Hydraulics
| NID Storage | 122 acre-ft |
| Max Storage | 122 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 4,050 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | City of La Vista Public Works Department |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/03/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NE02217 |
| Federal ID | NE02217 |
| More Info | State Dam Safety Program |