Willow Springs Lake, also known as Laitsch, is a gravity dam located in Saylesville, Wisconsin. Built in 1966 by the USDA NRCS, this recreational lake spans 60 acres with a maximum storage capacity of 590 acre-feet. The dam stands at a height of 20 feet, providing a hydraulic height of 12 feet and a structural height of 20 feet. The lake is fed by Spring Brook and serves as a popular spot for water resource and climate enthusiasts to enjoy outdoor activities.

Managed by the WIDNR, Willow Springs Lake is regulated and permitted by the state of Wisconsin for inspection, enforcement, and maintenance. The dam has a low hazard potential and is currently in fair condition, with the last inspection conducted in May 2020. Despite its moderate risk assessment, the lake continues to attract visitors for recreational purposes, offering a serene environment for fishing, boating, and hiking. With its picturesque surroundings and sustainable management practices, Willow Springs Lake remains a cherished destination for nature lovers in the Waukesha County area.