Gs Dd No B-55 (Gc 27) is a locally owned dam located in Valley Falls, Kansas, designed by the USDA NRCS with the primary purpose of debris control along the Coal Creek-TR river. This earth dam stands at a height of 34 feet and stretches 660 feet in length, providing a storage capacity of 203 acre-feet. Despite its low hazard potential, the dam is regulated and inspected by the Kansas Department of Agriculture to ensure its structural integrity and compliance with state regulations.

With a spillway width of 40 feet and a maximum discharge capacity of 1265 cubic feet per second, Gs Dd No B-55 (Gc 27) contributes to flood control and water resource management within the region. The dam covers a surface area of 5.4 acres and drains a watershed area of 0.52 square miles, serving as a critical infrastructure for water retention and environmental protection. While the dam's condition assessment is currently not rated, its risk assessment is considered moderate, indicating the need for ongoing monitoring and maintenance efforts.

Managed by the Natural Resources Conservation Service, Gs Dd No B-55 (Gc 27) plays a vital role in safeguarding the local community from potential hazards and ensuring the sustainable use of water resources in the area. With its state-regulated status and extensive design features, this dam serves as a testament to the collaborative efforts of government agencies and stakeholders in promoting water security and climate resilience in Atchison County, Kansas.