Frd No 12-4, also known as Upper Verdigris Watershed Dam 12-4, is a flood risk reduction structure located in Virgil, Greenwood County, Kansas. Owned by the local government and regulated by the Kansas Department of Agriculture, this dam was designed by the USDA NRCS and completed in 1965. Standing at a height of 32 feet with a hydraulic height of 29 feet, Frd No 12-4 plays a crucial role in protecting the surrounding area from potential flooding events.

Constructed with a buttress core type and an unknown foundation, this dam has a storage capacity of 410 acre-feet and a maximum discharge of 730 cubic feet per second. With a spillway width of 40 feet, Frd No 12-4 is equipped to handle excess water flow during heavy rainfall. Despite its low hazard potential, this dam has not been rated for its current condition, and its emergency action plan status remains unclear. Water resource and climate enthusiasts can appreciate the engineering and management efforts put into ensuring the safety and functionality of Frd No 12-4 in the Upper Verdigris Watershed.

As a vital piece of infrastructure in the area, Frd No 12-4 serves as a testament to the collaborative efforts between local and federal agencies to mitigate flood risks and protect communities along the Verdigris River. With its construction overseen by the Natural Resources Conservation Service and its regulatory compliance maintained by the Kansas Department of Agriculture, this dam stands as a symbol of proactive measures taken to safeguard the environment and enhance water resource management practices. Whether exploring its design specifications or learning about its operational history, enthusiasts can find value in studying the role of Frd No 12-4 in the broader context of water resource management and climate resilience.