Located in Adams, Wisconsin, Cottonville is a gravity dam built in 1924 primarily for recreational purposes. With a height of 25 feet and a hydraulic height of 17 feet, the dam boasts a storage capacity of 2,650 acre-feet and covers a surface area of 204 acres. The dam's drainage area spans 71 square miles, with a maximum discharge capacity of 1,544 cubic feet per second.

Despite its fair condition assessment in 2020, Cottonville poses a high hazard potential, prompting inspections every 2 years to ensure public safety. The dam's spillway, controlled by a 20-foot wide mechanism, adds an extra layer of protection for the surrounding area. Managed by the Wisconsin Department of Natural Resources, Cottonville is subject to state regulations, permitting, inspections, and enforcement measures to maintain its structural integrity.

As a vital water resource in the region, Cottonville serves as a hub for outdoor activities and wildlife conservation. The dam's scenic surroundings, including Roche-A-Cri and Big Flats, attract visitors and contribute to the local economy. With its very high risk assessment rating, ongoing risk management measures are crucial to safeguarding the dam and its downstream community from potential hazards.