Pleasant Valley No. 10, also known as Dr. Heise Detention, is a private earth dam located in Winona, Minnesota, along the Pleasant Valley Creek. Constructed in 1968 by the USDA NRCS, this dam serves the primary purpose of flood risk reduction in the area. Standing at a height of 26 feet with a length of 324 feet, it has a NID storage capacity of 15 acre-feet and a drainage area of 0.21 square miles.

With a significant hazard potential and a moderate risk assessment rating, Pleasant Valley No. 10 plays a crucial role in managing flood risks in the region. The dam features an uncontrolled spillway and outlet gates, with a maximum discharge capacity of 110 cubic feet per second. While it has not been rated for its current condition, the dam's structure and design reflect a commitment to ensuring the safety and resilience of the surrounding community against potential flooding events.

As a key component of the flood risk reduction infrastructure in the area, Pleasant Valley No. 10 underscores the importance of effective water resource management and climate adaptation strategies. Its strategic location, design features, and operational capacity highlight the ongoing efforts to mitigate flood risks and enhance community resilience in the face of changing environmental conditions. With its rich history and critical role in protecting the local area, this dam stands as a testament to the proactive measures taken to safeguard water resources and promote sustainable development in the region.