Upper Big Nemaha G-16a
Upper Big Nemaha G-16a is an earth dam located in Gage County, Nebraska, built in 1980. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Upper Big Nemaha G-16a
Upper Big Nemaha G-16a is a dam in Gage, Nebraska. The dam is owned by Nemaha Natural Resources District (local government). It impounds the Tr-n Fk Big Nemaha River near Sterling.
The dam stands 28 feet tall and stretches 630 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 126 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1980, the structure is 46 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 06/01/2020.
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Location
| State | Nebraska |
| County | Gage |
| Nearest City | Sterling |
| River/Stream | Tr-n Fk Big Nemaha River |
| Coordinates | 40.49855, -96.46550 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 26 ft |
| Dam Length | 630 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 126 acre-ft |
| Max Storage | 126 acre-ft |
| Normal Storage | 26 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 350 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Nemaha Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/01/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE02142 |
| Federal ID | NE02142 |
| More Info | State Dam Safety Program |