Caldron Falls is a gravity dam located on the Peshtigo River in Marinette, Wisconsin. Built in 1924, this hydroelectric facility serves multiple purposes, including flood risk reduction, recreation, and supporting fish and wildlife habitats. With a maximum storage capacity of 11,500 acre-feet and a normal storage level of 11,475 acre-feet, Caldron Falls covers a surface area of 1,018 acres and has a drainage area of 496 square miles.

The dam stands at 39 feet tall with a hydraulic height of 81 feet, and a structural height of 42 feet. It has a length of 1,250 feet and a controlled spillway width of 205 feet. The facility is owned and operated by a public utility, and its regulatory oversight falls under the Federal Energy Regulatory Commission. Despite its high hazard potential, Caldron Falls has not undergone a recent condition assessment, and its emergency action plan status is unknown.

The surrounding area offers opportunities for outdoor recreation and wildlife observation, making Caldron Falls a popular destination for water resource and climate enthusiasts. Its strategic location on the Peshtigo River contributes to flood control efforts and supports the region's energy needs through hydroelectric power generation. With its rich history and vital role in the local ecosystem, Caldron Falls remains a significant landmark in Wisconsin's water resource management landscape.