Dd No 4-3 (Mapes) is a local government-owned dam located in Muscotah, Kansas, along the Muddy Creek-TR. Built in 1987 by Speaker & King, this earth dam stands at a height of 27 feet with a length of 610 feet, providing flood risk reduction and debris control for the surrounding area. With a storage capacity of 110 acre-feet and a drainage area of 0.18 square miles, the dam plays a crucial role in managing water flow and protecting the community from potential flooding events.

Despite being classified as having a low hazard potential, Dd No 4-3 (Mapes) is deemed to have a moderate risk level, indicating the importance of regular monitoring and maintenance. The dam features an uncontrolled spillway with a width of 48 feet and is not currently equipped with outlet gates. While its condition assessment is not rated, the dam has not undergone any recent modifications or inspections. It is essential for water resource and climate enthusiasts to stay informed about the risk management measures in place for Dd No 4-3 (Mapes) to ensure the safety and resilience of the community against potential hazards.

As part of the Kansas City District, Dd No 4-3 (Mapes) serves as a vital infrastructure for flood control in the region, with a primary purpose of reducing flood risks and protecting the surrounding area from potential inundation. The dam's location in Jackson County, Kansas, highlights its importance in managing water resources and maintaining the ecological balance of the local ecosystem. With a normal storage capacity of 29.6 acre-feet and a surface area of 4.86 acres, this dam plays a significant role in water conservation and flood mitigation efforts in the area, making it a key asset for water resource and climate enthusiasts to monitor and support.