Big Indian Creek 7-a
Big Indian Creek 7-a is an earth dam located in Jefferson County, Nebraska, built in 1968. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Big Indian Creek 7-a
The primary purpose of Big Indian Creek 7-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 Lower Big Blue Natural Resources District (local government). It impounds the Spring Creek near Odell.
The dam stands 43 feet tall and stretches 1,335 feet across, creates a reservoir covering 43 acres, has a maximum storage capacity of 2,362 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1968, the structure is well into its service life at over 50 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 04/22/2021.
At 43 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | Nebraska |
| County | Jefferson |
| Nearest City | Odell |
| River/Stream | Spring Creek |
| Coordinates | 40.09853, -96.91663 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 43 ft |
| Dam Height | 42 ft |
| Dam Length | 1,335 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 2,362 acre-ft |
| Max Storage | 2,362 acre-ft |
| Normal Storage | 259 acre-ft |
| Surface Area | 43 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 2,883 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Lower Big Blue Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/22/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00129 |
| Federal ID | NE00129 |
| More Info | State Dam Safety Program |