Gs Dd No 9 is a local government-owned earth dam located in Brown, Kansas, along the Pony Creek-TR river. Built in 1995 by designer Wilbur Naylor, this dam stands at a height of 28.6 feet and has a storage capacity of 72.45 acre-feet. With a spillway width of 30 feet and a low hazard potential, this structure plays a vital role in managing water resources in the region.

Despite being unregulated by the state and with no associated structures, Gs Dd No 9 has a moderate risk assessment rating of 3. While its condition is currently not rated, the dam has not been inspected since February 1995. Although it has not undergone any modifications or improvements in recent years, it serves as a critical part of the local water infrastructure, contributing to flood control and water supply management efforts in the area.

As a key element in the water management system of Brown, Kansas, Gs Dd No 9 provides important data for water resource and climate enthusiasts to study and analyze. With its unique design features and moderate risk assessment, this earth dam showcases the intersection of engineering, environmental science, and public policy in ensuring the safety and sustainability of water resources in the region.