Nelson Dam 3316 is an earth dam located in Howard County, Nebraska, built in 1950. It carries a Low hazard potential classification.
Dam profile
NID height · 16 ft16 ft tall and 650 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Nelson Dam 3316
The primary purpose of Nelson Dam 3316 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 Howard County (local government). It impounds the Tr-dry Creek near Dannebrog.
The dam stands 16 feet tall and stretches 650 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 109 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1950, the structure is well-established, with more than 75 years of service.
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. The most recent inspection on record was 10/25/2022.
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Location
| State | Nebraska |
| County | Howard |
| Nearest City | Dannebrog |
| River/Stream | Tr-dry Creek |
| Coordinates | 41.10498, -98.66674 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 650 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 109 acre-ft |
| Max Storage | 109 acre-ft |
| Normal Storage | 34 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 63 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Howard County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/25/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NE03316 |
| Federal ID | NE03316 |
| More Info | State Dam Safety Program |