Located in Monroe, Wisconsin, Tri Creek Number One is a crucial flood risk reduction structure designed by the USDA NRCS in 1976. This earth dam stands at a height of 57 feet and has a hydraulic height of 23 feet, with a total length of 1265 feet. The dam has a storage capacity of 2400 acre-feet and serves the primary purpose of flood risk reduction, with additional benefits for recreation.

Managed by the Wisconsin Department of Natural Resources, Tri Creek Number One is subject to regular state inspections and enforcement to ensure its structural integrity and functionality. The dam's spillway, which is uncontrolled, has a width of 153 feet and a maximum discharge capacity of 18225 cubic feet per second. With a hazard potential rated as high and a satisfactory condition assessment, the structure plays a critical role in managing water resources in the area.

In the event of an emergency, Tri Creek Number One is equipped with an emergency action plan to guide response efforts. With a moderate risk assessment and a history of meeting regulatory guidelines, this dam demonstrates a commitment to effective risk management and the protection of local communities and ecosystems along TR Morris Creek.