Spring Creek 9-a 641
Spring Creek 9-a 641 is an earth dam located in Johnson County, Nebraska, built in 1973. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Spring Creek 9-a 641
The primary purpose of Spring Creek 9-a 641 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 Nemaha Natural Resources District (local government). It impounds the Spring Creek near Talmage.
The dam stands 35 feet tall and stretches 1,064 feet across, creates a reservoir covering 50 acres, has a maximum storage capacity of 1,550 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1973, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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 04/07/2022.
At 35 feet, this dam is taller than 82% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Nebraska |
| County | Johnson |
| Nearest City | Talmage |
| River/Stream | Spring Creek |
| Coordinates | 40.37583, -96.11356 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 34 ft |
| Dam Length | 1,064 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 1,550 acre-ft |
| Max Storage | 1,550 acre-ft |
| Normal Storage | 309 acre-ft |
| Surface Area | 50 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 1,553 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Nemaha Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/07/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00641 |
| Federal ID | NE00641 |
| More Info | State Dam Safety Program |