Warren Twp Road is an earth dam located in Winona County, Minnesota, built in 1975. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 21 ft21 ft tall and 470 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 Warren Twp Road
The primary purpose of Warren Twp Road 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 Township of Warren, Ray & Diane Radatz (local government). It impounds the Rush Creek-tr near Rushford.
The dam stands 21 feet tall and stretches 470 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 60 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1975, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 04/26/2023.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Minnesota |
| County | Winona |
| Nearest City | Rushford |
| River/Stream | Rush Creek-tr |
| Coordinates | 43.96247, -91.83500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 470 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 224 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Township of Warren, Ray & Diane Radatz |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/26/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00880 |
| Federal ID | MN00880 |
| More Info | State Dam Safety Program |