Gs Dd No B-67 is a local government-owned earth dam in Atchison, Kansas, completed in 1989 for flood risk reduction purposes. Standing at a height of 20 feet and a length of 675 feet, this dam has a storage capacity of 113.5 acre-feet and serves a drainage area of 0.43 square miles. With a low hazard potential and a moderate risk assessment rating, this dam plays a crucial role in debris control and flood risk management in the region.

Although not regulated or inspected by the state, Gs Dd No B-67 has a spillway width of 70 feet and a maximum discharge capacity of 1470 cubic feet per second. It also has a surface area of 4.8 acres and a normal storage capacity of 27 acre-feet. While the condition assessment is not rated and there is no emergency action plan in place, the dam continues to serve its purpose effectively with no reported issues or incidents.

Located within the Rock Island District and managed by the US Army Corps of Engineers, Gs Dd No B-67 is an integral part of the local flood risk reduction infrastructure. Despite being unlisted by the USACE, this dam remains a key component in the region's water resource and climate management efforts, providing essential protection and support to the surrounding community.