Necedah, located in Juneau, Wisconsin, is a gravity dam completed in 1850 with a primary purpose of recreation. This dam on the Yellow River stands at 20 feet tall and has a hydraulic height of 11 feet, with a storage capacity of 1,000 acre-feet and a normal storage of 264 acre-feet. The dam has a low hazard potential and is in satisfactory condition, last inspected in September 2013.

The Necedah dam covers a surface area of 194 acres and drains a watershed area of 491 square miles. With a controlled spillway type and a maximum discharge of 7,200 cubic feet per second, this dam has a very high risk assessment rating of 1. While the dam has not been modified since 1992, it is regulated, permitted, inspected, and enforced by the Wisconsin Department of Natural Resources, ensuring its safe operation and maintenance for water resource and climate enthusiasts to enjoy for years to come.

Overall, Necedah dam serves as a vital recreational resource in the area, offering opportunities for outdoor activities while also managing water flow in the region. Its historical significance, combined with its regulated status and satisfactory condition, makes it a key feature for those interested in water resource management and climate resilience efforts in the state of Wisconsin.