Twp Road 107 is an earth dam located in Lyon County, Minnesota, built in 1981. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall, taller than 72% 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 Twp Road 107
The primary purpose of Twp Road 107 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 Yellow Medicine River-tr near Russell.
The dam stands 31 feet tall, creates a reservoir covering 0 acres, has a maximum storage capacity of 212 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1981, the structure is 45 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. The most recent inspection on record was 07/31/2024.
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Location
| State | Minnesota |
| County | Lyon |
| Nearest City | Russell |
| River/Stream | Yellow Medicine River-tr |
| Coordinates | 44.53182, -96.06389 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 212 acre-ft |
| Max Storage | 212 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 2 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | County of Lyon |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/31/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN01644 |
| Federal ID | MN01644 |
| More Info | State Dam Safety Program |