Dd No 6a, located in Wabaunsee County, Kansas, is a local government-owned earth dam constructed in 2001 for flood risk reduction along the East Branch Rock Creek. With a height of 29 feet and a length of 750 feet, this dam provides a storage capacity of 340 acre-feet and covers a surface area of 9.6 acres. Despite its low hazard potential, the dam is regulated by the Kansas Department of Agriculture and undergoes regular state inspection and enforcement to ensure its integrity.

Designed by King Engineering, Dd No 6a serves as a crucial infrastructure for managing floodwaters in the region, with a primary purpose of flood risk reduction. The dam's spillway, with a width of 40 feet, is uncontrolled, and it has no outlet gates or associated locks. Although the dam is not rated for its condition assessment, it is considered to have a moderate risk level (3) according to the data. While the emergency action plan status and risk management measures for Dd No 6a are not specified, the dam has not been modified since its completion.

Overall, Dd No 6a plays a vital role in protecting the surrounding area from potential flooding events, showcasing the importance of effective water resource management in mitigating climate-related risks. As a state-regulated structure with a solid track record of operation, this dam stands as a testament to the commitment to safeguarding communities and infrastructure from the impacts of extreme weather events in Kansas.