Located in Monona County, Iowa, the Mucky Creek Subwatershed Sta 19+20 is a vital water resource managed by the local government and designed by USDA NRCS. This earth dam structure was completed in 1965 for purposes such as fire protection, stock, small fish pond, and flood risk reduction. With a height of 42 feet and a storage capacity of 61 acre-feet, this dam serves the Maple River and covers a surface area of 2.5 acres within a drainage area of 0.26 square miles.

The Mucky Creek Subwatershed Sta 19+20 has a low hazard potential and a moderate risk assessment rating. While the condition assessment is not rated, the dam is regulated, permitted, inspected, and enforced by the Iowa Department of Natural Resources. Despite lacking certain information such as last inspection date and emergency action plan status, this dam plays a crucial role in water management and ecosystem preservation in the region. Water resource and climate enthusiasts will find this structure intriguing for its historical significance and environmental impact.

Overall, the Mucky Creek Subwatershed Sta 19+20 serves as a key water infrastructure in Monona County, Iowa, contributing to flood control, wildlife habitat preservation, and recreational opportunities. Managed by the local government and designed by USDA NRCS, this earth dam has been in operation for over five decades, showcasing its importance in sustaining the Maple River ecosystem. With a focus on fire protection, stock, and small fish pond maintenance, this dam highlights the intersection of human development and environmental conservation in the region, making it a noteworthy site for water resource and climate enthusiasts to explore and study.