Darrell Nelson Dam is an earth dam located in Yankton County, South Dakota, built in 2015. It carries a Low hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall and 325 ft long, taller than 74% of U.S. dams with a recorded height. 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 Darrell Nelson Dam
The primary purpose of Darrell Nelson Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Darrell Nelson (private). It impounds the Tr-beaver Creek.
The dam stands 32 feet tall and stretches 325 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 101 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2015, the structure is relatively new.
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.
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Location
| State | South Dakota |
| County | Yankton |
| River/Stream | Tr-beaver Creek |
| Coordinates | 42.96528, -97.41904 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 325 ft |
| Year Completed | 2015 (11 years old) |
Storage & Hydraulics
| NID Storage | 101 acre-ft |
| Max Storage | 101 acre-ft |
| Normal Storage | 47 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 987 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Darrell Nelson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02652 |
| Federal ID | SD02652 |
| More Info | State Dam Safety Program |