South Frisco, also known as Frisco Lake Park Dam, is a local government-owned structure located in Olathe, Kansas. This earth dam, with a height of 22 feet and a length of 1500 feet, was completed in 1868 and serves multiple purposes, including flood control and water storage. Managed by the Kansas Department of Agriculture, the dam is regulated, inspected, and enforced by state authorities to ensure its safety and compliance with regulations.

With a normal storage capacity of 39.3 acre-feet and a maximum storage of 291.1 acre-feet, South Frisco plays a crucial role in managing water resources in Johnson County. The dam is situated on Mill Creek-TR and has a drainage area of 0.39 square miles. Despite being categorized as having a high hazard potential, the structure is currently assessed to be in fair condition, with inspections conducted every three years to monitor its safety and integrity.

South Frisco's importance extends beyond its primary functions, as it also serves as a key location for water enthusiasts and climate advocates to observe the intersection of infrastructure, water management, and environmental stewardship. With its rich history dating back over a century, this dam stands as a testament to the ongoing efforts to balance the needs of communities with the preservation of natural resources in the face of changing climate patterns.