Dd No 43 is a local government-owned earth dam in Greenwood, Kansas, designed by the USDA NRCS and completed in 1993 for the primary purpose of flood risk reduction. This dam stands at a height of 16.6 feet and has a storage capacity of 210.7 acre-feet with a normal storage level of 18.6 acre-feet. With a low hazard potential and a moderate risk assessment rating, Dd No 43 plays a crucial role in mitigating flood risks in the area.

Located in the Kansas City District, Dd No 43 has a spillway width of 40 feet and a maximum discharge capacity of 207 cubic feet per second. Despite not having any outlet gates, this dam effectively controls water flow and reduces the risk of flooding for the surrounding area. With its construction overseen by the Natural Resources Conservation Service, Dd No 43 serves as a vital component in the local water resource management system.

While the condition assessment of Dd No 43 is currently not rated, its strategic design and low hazard potential contribute to its overall effectiveness in flood risk reduction. As a key structure in the area's water management infrastructure, this earth dam continues to play a significant role in safeguarding communities and properties from potential water-related disasters.