Florida 9 is an earth dam located in Yellow Medicine County, Minnesota, built in 2006. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 30 ft30 ft tall, taller than 68% 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 Florida 9
The primary purpose of Florida 9 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 Yellow Medicine (local government). It impounds the Florida River-tr near Dawson.
The dam stands 30 feet tall, has a maximum storage capacity of 100 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 2006, the structure is relatively new.
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 05/19/2021.
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Location
| State | Minnesota |
| County | Yellow Medicine |
| Nearest City | Dawson |
| River/Stream | Florida River-tr |
| Coordinates | 44.79040, -96.40667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 23 ft |
| Year Completed | 2006 (20 years old) |
Storage & Hydraulics
| NID Storage | 100 acre-ft |
| Max Storage | 100 acre-ft |
| Drainage Area | 6 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | County of Yellow Medicine |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/19/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN01403 |
| Federal ID | MN01403 |
| More Info | State Dam Safety Program |