Twin Parks 3, also known as Mott's, is a local government-owned earth dam located in Iowa, Wisconsin. Built in 1965 by the USDA NRCS, this dam serves as a crucial flood risk reduction structure on a tributary to Mill Creek. With a dam height of 33.2 feet and a length of 346 feet, it has a storage capacity of 244 acre-feet and a normal storage volume of 26 acre-feet.

Despite its age, Twin Parks 3 remains in fair condition with a low hazard potential. It is regulated by the Wisconsin Department of Natural Resources and undergoes regular inspections, with the last inspection conducted in May 2020. The dam has a moderate risk rating of 3, indicating a need for ongoing risk management measures to ensure its continued effectiveness in flood control and debris management.

As water resource and climate enthusiasts, understanding the intricate details of Twin Parks 3's design and purpose highlights the importance of maintaining and monitoring critical infrastructure to protect communities and natural resources from the impacts of extreme weather events. Twin Parks 3 stands as a testament to the collaborative efforts between government agencies and designers in safeguarding the local ecosystem and mitigating flood risks in the region.