Moody Group Dam
Moody Group Dam is an earth dam located in Brown County, Nebraska, built in 1975. It carries a Low hazard potential classification and has a poor condition assessment.
About Moody Group Dam
The primary purpose of Moody Group 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 Brown County (local government). It impounds the Tr-bone Creek near Niobrara.
The dam stands 26 feet tall and stretches 1,083 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 329 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1975, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 05/23/2019.
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Location
| State | Nebraska |
| County | Brown |
| Nearest City | Niobrara |
| River/Stream | Tr-bone Creek |
| Coordinates | 42.57902, -99.80070 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 1,083 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 329 acre-ft |
| Max Storage | 329 acre-ft |
| Normal Storage | 27 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 612 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Brown County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 05/23/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01542 |
| Federal ID | NE01542 |
| More Info | State Dam Safety Program |