Frd No Gs 30, also known as Walnut Creek Watershed Dam Gs 30, is a flood risk reduction structure located in Hamlin, Kansas. Built in 1965 by the USDA NRCS, this buttress dam stands at 30 feet in height and spans 560 feet in length. It serves the primary purpose of flood risk reduction within the Terrapin Creek-TR watershed, with a storage capacity of 70 acre-feet and a spillway width of 40 feet.

Managed by the local government and regulated by the Kansas Department of Agriculture, Frd No Gs 30 has a low hazard potential and is currently rated as "Not Rated" in terms of condition assessment. While it has not been modified in recent years, it undergoes regular state inspections and enforcement to ensure its functionality and safety. With a comprehensive emergency action plan in place and updated contact information, this dam plays a crucial role in protecting the surrounding community from potential flood events.

For water resource and climate enthusiasts, Frd No Gs 30 serves as an essential infrastructure in managing flood risks and protecting the environment in Brown County, Kansas. Its construction and maintenance highlight the collaborative efforts between federal agencies, local governments, and regulatory bodies to safeguard communities and mitigate the impacts of extreme weather events. As the world faces increasing challenges from climate change, structures like Frd No Gs 30 play a vital role in enhancing resilience and adaptation strategies for a sustainable future.