Twp Road 163 is a dam located in Lyon County, Minnesota, built in 2000. It carries a Low hazard potential classification.
Dam profile
NID height · 23 ft23 ft tall and 500 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 Twp Road 163
The primary purpose of Twp Road 163 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 County of Lyon (local government). It impounds the Coon Creek near Russell.
The dam stands 23 feet tall and stretches 500 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 91 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 2000, the structure is 26 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.
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Location
| State | Minnesota |
| County | Lyon |
| Nearest City | Russell |
| River/Stream | Coon Creek |
| Coordinates | 44.31639, -95.97824 |
Physical Characteristics
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 500 ft |
| Year Completed | 2000 (26 years old) |
Storage & Hydraulics
| NID Storage | 91 acre-ft |
| Max Storage | 91 acre-ft |
| Normal Storage | 1 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 341 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | County of Lyon |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN01365 |
| Federal ID | MN01365 |
| More Info | State Dam Safety Program |