Long Branch 73
Long Branch 73 is an earth dam located in Richardson County, Nebraska, built in 1981. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Long Branch 73
The primary purpose of Long Branch 73 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 35 feet tall and stretches 687 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 496 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1981, the structure is 45 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 05/18/2023.
At 35 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Nebraska |
| County | Richardson |
| Nearest City | Humboldt |
| River/Stream | Tr-long Branch Creek |
| Coordinates | 40.23796, -95.98460 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 34 ft |
| Dam Length | 687 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 496 acre-ft |
| Max Storage | 496 acre-ft |
| Normal Storage | 103 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 454 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Nemaha Natural Resources District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/18/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE01816 |
| Federal ID | NE01816 |
| More Info | State Dam Safety Program |