Kaposia Park
Kaposia Park is an earth dam located in Dakota County, Minnesota, built in 1932. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Kaposia Park
The primary purpose of Kaposia Park 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 City Of South St. Paul (local government). It impounds the Mississippi River-tr near South St. Paul.
The dam stands 79 feet tall, has a maximum storage capacity of 180 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1932, the structure is well-established, with more than 75 years of service.
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 09/23/2021.
At 79 feet, this dam is taller than 97% of all dams in the United States.
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Location
| State | Minnesota |
| County | Dakota |
| Nearest City | South St. Paul |
| River/Stream | Mississippi River-tr |
| Coordinates | 44.91047, -93.05779 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 79 ft |
| Dam Height | 79 ft |
| Year Completed | 1932 (94 years old) |
Storage & Hydraulics
| NID Storage | 180 acre-ft |
| Max Storage | 180 acre-ft |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | City of South St. Paul |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/23/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00675 |
| Federal ID | MN00675 |
| More Info | State Dam Safety Program |