Upper Big Nemaha J-36
Upper Big Nemaha J-36 is an earth dam located in Johnson County, Nebraska, built in 1983. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Upper Big Nemaha J-36
Upper Big Nemaha J-36 is a dam in Johnson, Nebraska. The dam is owned by Nemaha Natural Resources District (local government). It impounds the Tr-mid Br Big Nemaha River near Sterling.
The dam stands 35 feet tall and stretches 599 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 130 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1983, the structure is 43 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 06/15/2021.
At 35 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Nebraska |
| County | Johnson |
| Nearest City | Sterling |
| River/Stream | Tr-mid Br Big Nemaha River |
| Coordinates | 40.40026, -96.41617 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 33 ft |
| Dam Length | 599 ft |
| Year Completed | 1983 (43 years old) |
Storage & Hydraulics
| NID Storage | 130 acre-ft |
| Max Storage | 130 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 378 cfs |
Ownership & Safety
| Purpose | Other |
| Owner | Nemaha Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/15/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01894 |
| Federal ID | NE01894 |
| More Info | State Dam Safety Program |