Located in Jackson, Wisconsin, the Lewis dam is a privately owned structure designed by the USDA NRCS for multiple purposes, including fire protection, stock, and recreation. Completed in 1967, this earth dam stands at a height of 14 feet and spans a length of 570 feet, with a storage capacity of 80 acre-feet. Situated on TR French Creek, the dam serves as a critical water resource in the area.

With a low hazard potential and fair condition assessment, the Lewis dam is regulated by the Wisconsin Department of Natural Resources, ensuring state permitting, inspection, and enforcement. Despite its moderate risk assessment rating, the dam has a controlled spillway and last underwent inspection in October 2018. As a vital component of the local water management infrastructure, the Lewis dam plays a significant role in maintaining water resources and protecting against potential flooding events in the region.

As water resource and climate enthusiasts, understanding the characteristics and maintenance of structures like the Lewis dam is crucial for ensuring the sustainable management of our natural resources. With its historical significance and ongoing regulatory oversight, the Lewis dam exemplifies the importance of proactive monitoring and risk management in safeguarding water sources and enhancing community resilience to environmental challenges.