Frd No S-3, also known as Walnut Creek Watershed Dam S 3, is a vital structure located in the city of Padonia, Kansas. Owned by the local government, this dam plays a crucial role in flood risk reduction in the area and is regulated by the Kansas Department of Agriculture. Built in 1963 by the USDA NRCS, this buttress-type dam stands at a height of 31 feet and has a storage capacity of 330 acre-feet.

Situated in the Rock Island District, Frd No S-3 is designed to withstand low hazard potential and is currently rated as 'Not Rated' in terms of condition assessment. While the dam does not have an operational spillway or outlet gates, it serves as a key component in managing the flow of Spring Creek-TR and protecting the surrounding areas from potential flooding events. With its primary purpose being flood risk reduction, Frd No S-3 continues to play a crucial role in water resource management in Brown County, Kansas.

Despite not having a designated dam type or volume capacity listed, Frd No S-3 remains an important structure in the region's water infrastructure. With a history of state regulation, inspection, and enforcement, this dam serves as a testament to the collaborative efforts between local and federal agencies in safeguarding communities from the impacts of extreme weather events and ensuring the sustainable management of water resources in the Walnut Creek Watershed.