Long Branch 7
Long Branch 7 is an earth dam located in Nemaha County, Nebraska, built in 1990. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Long Branch 7
The primary purpose of Long Branch 7 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 Nemaha Natural Resources District (local government). It impounds the Tr-long Branch Creek near Humboldt.
The dam stands 44 feet tall and stretches 1,600 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 871 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1990, the structure is 36 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 05/22/2023.
At 44 feet, this dam is taller than 90% of dams nationwide.
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Location
| State | Nebraska |
| County | Nemaha |
| Nearest City | Humboldt |
| River/Stream | Tr-long Branch Creek |
| Coordinates | 40.28363, -96.03255 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 44 ft |
| Dam Height | 38 ft |
| Dam Length | 1,600 ft |
| Year Completed | 1990 (36 years old) |
Storage & Hydraulics
| NID Storage | 871 acre-ft |
| Max Storage | 871 acre-ft |
| Normal Storage | 94 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 2,079 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Nemaha Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/22/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE02349 |
| Federal ID | NE02349 |
| More Info | State Dam Safety Program |