Mill Creek 3, also known as Ewers, is a local government-owned earth dam located in Boaz, Wisconsin, along Core Hollow Creek. Built in 1961 by USDA NRCS, this flood risk reduction structure stands at a height of 31 feet and has a hydraulic height of 16 feet. With a storage capacity of 135 acre-feet and a drainage area of 2 square miles, this dam plays a crucial role in debris control and flood risk reduction in the area.

Despite its age, Mill Creek 3 is well-maintained, with a fair condition assessment as of September 2020. The dam has a low hazard potential and is inspected every 10 years to ensure its structural integrity and functionality. Managed by the WIDNR, this dam has a moderate risk assessment rating, indicating the importance of continued monitoring and risk management measures to safeguard against potential hazards. The dam's uncontrolled spillway and overall design contribute to its effectiveness in managing water flow and reducing flood risks in the region.

For water resource and climate enthusiasts, Mill Creek 3 serves as a prime example of successful flood risk reduction infrastructure in Wisconsin. Its strategic location, design features, and regulatory oversight by the WIDNR highlight the importance of efficient water management practices in mitigating potential hazards and safeguarding communities against the impacts of extreme weather events. As climate change continues to pose challenges for water resources, structures like Mill Creek 3 play a crucial role in enhancing resilience and protecting vulnerable areas from the adverse effects of floods.