Frd No 77, located in Vermillion, Kansas, is a local government-owned earth dam designed by USDA NRCS and completed in 1997. This dam serves the primary purpose of debris control and flood risk reduction along the NO FORK BLACK VERMILLION RV-TR. With a height of 23.4 feet and a length of 700 feet, Frd No 77 has a storage capacity of 338 acre-feet and covers a surface area of 12 acres, protecting a drainage area of 0.77 square miles.

The dam, regulated by the Kansas Department of Agriculture, is classified as low hazard potential with a moderate risk assessment. It has a spillway width of 40 feet and a maximum discharge capacity of 1274 cubic feet per second. Despite not having outlet gates, Frd No 77 has been serving its purpose effectively, with no reported condition assessment and a history of no modifications since its completion.

Water resource and climate enthusiasts interested in the management and maintenance of dams for flood control and debris management would find Frd No 77 an intriguing case study. This structure, situated in Marshall County, Kansas, highlights the importance of local government ownership and regulatory oversight in ensuring the safety and functionality of critical infrastructure for water resource management in the region.