Mikkelson Dam is an earth dam located in Marshall County, South Dakota, built in 2009. It carries a Low hazard potential classification.
Dam profile
NID height · 23 ft23 ft tall and 385 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 Mikkelson Dam
The primary purpose of Mikkelson 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 Denis Mikkelson (private). It impounds the Tr. James River.
The dam stands 23 feet tall and stretches 385 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 104 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 2009, 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 | Marshall |
| River/Stream | Tr. James River |
| Coordinates | 45.62274, -97.73903 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 385 ft |
| Year Completed | 2009 (17 years old) |
Storage & Hydraulics
| NID Storage | 104 acre-ft |
| Max Storage | 104 acre-ft |
| Normal Storage | 47 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 540 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Denis Mikkelson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02606 |
| Federal ID | SD02606 |
| More Info | State Dam Safety Program |