Brown CO Scd Et Al Gsd No 1, also known as Little Delaware Mission Cr WS Dam Gs1, is a local government-owned structure in Horton, Kansas. Designed by the USDA NRCS and completed in 1955, this Earth dam serves the primary purpose of debris control along Grasshopper Creek-TR. With a height of 19 feet and a length of 600 feet, it has a maximum storage capacity of 60 acre-feet and a drainage area of 0.92 square miles.

Located in Brown County, Kansas, this dam has a low hazard potential and is considered to have a moderate risk level. It features an uncontrolled spillway with a width of 70 feet and has no outlet gates. Despite not being state-regulated, inspected, or permitted, this dam plays a crucial role in managing water flow and protecting the surrounding area from debris. With its buttress core type and unlisted/unknown foundation, Brown CO Scd Et Al Gsd No 1 stands as a testament to the importance of infrastructure in water resource management and climate resilience.