Big Indian Creek 9-b
Big Indian Creek 9-b is an earth dam located in Jefferson County, Nebraska, built in 1965. It carries a Low hazard potential classification and has a fair condition assessment.
About Big Indian Creek 9-b
The primary purpose of Big Indian Creek 9-b 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 Tr-big Indian Creek near Diller.
The dam stands 29 feet tall and stretches 930 feet across, creates a reservoir covering 28 acres, has a maximum storage capacity of 1,217 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1965, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 10/03/2023.
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Location
| State | Nebraska |
| County | Jefferson |
| Nearest City | Diller |
| River/Stream | Tr-big Indian Creek |
| Coordinates | 40.13976, -96.98103 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 25 ft |
| Dam Length | 930 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 1,217 acre-ft |
| Max Storage | 1,217 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 1,498 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Lower Big Blue Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 10/03/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE00123 |
| Federal ID | NE00123 |
| More Info | State Dam Safety Program |