Bien Dam No. 2
Bien Dam No. 2 is an earth dam located in Marshall County, South Dakota, built in 2010. It carries a Low hazard potential classification.
About Bien Dam No. 2
The primary purpose of Bien Dam No. 2 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Neil & Lyle Bien (private). It impounds the Tr Wild Rice Creek.
The dam stands 9 feet tall and stretches 155 feet across, creates a reservoir covering 41 acres, has a maximum storage capacity of 277 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2010, 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 | 45.81784, -97.46663 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 155 ft |
| Year Completed | 2010 (16 years old) |
Storage & Hydraulics
| NID Storage | 277 acre-ft |
| Max Storage | 277 acre-ft |
| Normal Storage | 92 acre-ft |
| Surface Area | 41 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 295 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | NEIL & LYLE BIEN |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02593 |
| Federal ID | SD02593 |
| More Info | State Dam Safety Program |