Bien Dam is an earth dam located in Marshall County, South Dakota, built in 2006. It carries a Low hazard potential classification.
Dam profile
NID height · 17 ft17 ft tall and 220 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 Dam
The primary purpose of Bien 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 Neil Bien (private). It impounds the Tr Wild Rice Creek.
The dam stands 17 feet tall and stretches 220 feet across, creates a reservoir covering 10 acres, and has a maximum storage capacity of 68 acre-feet. Completed in 2006, 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 Wild Rice Creek |
| Coordinates | 45.80814, -97.47223 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 220 ft |
| Year Completed | 2006 (20 years old) |
Storage & Hydraulics
| NID Storage | 68 acre-ft |
| Max Storage | 68 acre-ft |
| Normal Storage | 48 acre-ft |
| Surface Area | 10 acres |
| Max Discharge | 270 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Neil Bien |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02547 |
| Federal ID | SD02547 |
| More Info | State Dam Safety Program |