Coon Creek 21, also known as Tucker/Luckasson/Rulland, is a local government-owned earth dam located in Monroe, Wisconsin. Built in 1963 by the USDA NRCS, this dam serves the primary purpose of flood risk reduction along the Un Trib Rullands Coulee Creek. With a height of 46 feet and a storage capacity of 271 acre-feet, Coon Creek 21 plays a crucial role in managing water resources and protecting the surrounding area from potential flooding.

Despite its low hazard potential, Coon Creek 21 has been assessed as unsatisfactory in terms of condition, with the last inspection conducted in August 2016. The dam is regulated by the Wisconsin Department of Natural Resources and undergoes regular state inspections, enforcement, and permitting to ensure its structural integrity and functionality. With a moderate risk assessment rating, there is a need for continued monitoring and potential risk management measures to maintain the effectiveness of Coon Creek 21 in mitigating flood risks and safeguarding the local community.

As climate change continues to impact water resources and weather patterns, the significance of infrastructure like Coon Creek 21 in flood risk reduction becomes increasingly crucial. With a focus on debris control and flood risk reduction, this dam serves as a vital component of water resource management in the area. Going forward, ongoing maintenance, inspections, and potential upgrades will be essential to ensure the continued effectiveness of Coon Creek 21 in safeguarding the community and surrounding environment from the impacts of extreme weather events.