Gsd No 12, also known as Walnut Creek Watershed Dam Gs 12, is a vital structure located in Padonia, Kansas, owned by the local government. Built in 1963 by the USDA NRCS, this earth dam serves the primary purpose of flood risk reduction in the Euchre Creek watershed. With a height of 33 feet and a length of 700 feet, Gsd No 12 has a storage capacity of 338 acre-feet and a normal storage of 41.8 acre-feet, covering a surface area of 6.9 acres.

The dam is regulated by the Kansas Department of Agriculture and undergoes regular inspections, with the last one conducted in November 2015. Despite being classified as having a significant hazard potential, Gsd No 12 is currently in fair condition, with a moderate risk assessment rating. The dam features an uncontrolled spillway with a width of 50 feet and has no outlet gates. Its location in Brown County, Kansas, makes it a critical structure for managing water resources and protecting the surrounding area from flooding.

As a key component of the local flood risk reduction infrastructure, Gsd No 12 plays a crucial role in safeguarding the community against potential water-related disasters. With its design by the USDA NRCS and oversight by state regulatory agencies, this earth dam stands as a testament to collaborative efforts in water resource management. Its presence in the Walnut Creek watershed highlights the importance of sustainable water infrastructure for climate resilience and disaster preparedness in the region.