Springdale 21
Springdale 21 is an earth dam located in Redwood County, Minnesota, built in 2015. It carries a Significant hazard potential classification and has a fair condition assessment.
About Springdale 21
The primary purpose of Springdale 21 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 Redwood (local government). It impounds the Plum Creek-tr near Lamberton.
The dam stands 23 feet tall, creates a reservoir covering 27 acres, has a maximum storage capacity of 192 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 2015, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 05/18/2021.
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Location
| State | Minnesota |
| County | Redwood |
| Nearest City | Lamberton |
| River/Stream | Plum Creek-tr |
| Coordinates | 44.23236, -95.53303 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Year Completed | 2015 (11 years old) |
Storage & Hydraulics
| NID Storage | 192 acre-ft |
| Max Storage | 192 acre-ft |
| Normal Storage | 76 acre-ft |
| Surface Area | 27 acres |
| Drainage Area | 4 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | County of Redwood |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 05/18/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN01642 |
| Federal ID | MN01642 |
| More Info | State Dam Safety Program |