Wild Rice Creek No. 2 is an earth dam located in Marshall County, South Dakota, built in 1960. It carries a Low hazard potential classification.
Dam profile
NID height · 40 ft40 ft tall and 1,227 ft long, taller than 86% 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 Wild Rice Creek No. 2
The primary purpose of Wild Rice Creek No. 2 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Wild Rice Creek Watershed District (local government). It impounds the Tr-wild Rice Creek.
The dam stands 40 feet tall and stretches 1,227 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 1,223 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1960, the structure is well into its service life at over 50 years old.
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.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | South Dakota |
| County | Marshall |
| Nearest City | None |
| River/Stream | Tr-wild Rice Creek |
| Coordinates | 45.89825, -97.57703 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 1,227 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 1,223 acre-ft |
| Max Storage | 1,223 acre-ft |
| Normal Storage | 831 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 6,436 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Wild Rice Creek Watershed District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02155 |
| Federal ID | SD02155 |
| More Info | State Dam Safety Program |