Spooner Group Detention is a private water resource structure located in Winona, Minnesota, specifically designed for flood risk reduction along Gilmore Creek. Completed in 1986, this earth dam stands at a height of 38 feet and spans 400 feet in length, with a storage capacity of 59.3 acre-feet. Despite its low hazard potential and satisfactory condition assessment, the dam is regulated by the Minnesota Department of Natural Resources and undergoes regular inspections to ensure its continued effectiveness in mitigating flood risks in the area.

The dam features an uncontrolled spillway type and has a maximum discharge capacity of 586 cubic feet per second. It is situated within the St. Paul District of the US Army Corps of Engineers jurisdiction and falls under the supervision of the state regulatory agency MNDNR EWR. The surrounding community benefits from the flood protection provided by Spooner Group Detention, with the primary purpose of the structure being to safeguard against potential flood events and minimize the impact on nearby residents and infrastructure. With a moderate risk assessment rating of 3, the dam plays a crucial role in water resource management and climate resilience efforts in the region.

Overall, Spooner Group Detention serves as a vital infrastructure asset for flood risk reduction in Winona, Minnesota. Through its effective design and regular maintenance, the dam helps protect the local community from potential flooding events, highlighting the importance of sustainable water resource management practices in the face of changing climate conditions. As water resource and climate enthusiasts, understanding the significance of structures like Spooner Group Detention is essential in fostering resilience and adaptation strategies to address the challenges posed by a changing climate and increasing water-related risks.