Bien South Wetland Dam is an earth dam located in Marshall County, South Dakota, built in 2003. It carries a Low hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall and 1,388 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 Bien South Wetland Dam
The primary purpose of Bien South Wetland 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 Boyd Bein (private). It impounds the Crow Creek-tr.
The dam stands 10 feet tall and stretches 1,388 feet across, creates a reservoir covering 46 acres, has a maximum storage capacity of 157 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2003, 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 | Crow Creek-tr |
| Coordinates | 45.78112, -97.51835 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 1,388 ft |
| Year Completed | 2003 (23 years old) |
Storage & Hydraulics
| NID Storage | 157 acre-ft |
| Max Storage | 157 acre-ft |
| Normal Storage | 109 acre-ft |
| Surface Area | 46 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 130 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Boyd Bein |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02677 |
| Federal ID | SD02677 |
| More Info | State Dam Safety Program |