Located in Clements, California, the Pardee South Spillway is an essential structure owned by a public utility and regulated by both state and federal agencies. This concrete dam, with a height of 10 feet and a length of 800 feet, serves primarily for water supply purposes, storing up to 198,000 acre-feet of water from the Mokelumne River. Despite its high hazard potential, the spillway is currently rated as having moderate risk with a solid emergency action plan in place.

The spillway, managed by the Federal Energy Regulatory Commission, also caters to fish and wildlife preservation, hydroelectric power generation, and recreational activities in addition to its water supply function. With a maximum discharge capacity of 184,000 cubic feet per second and a spillway width of 800 feet, it plays a crucial role in controlling water flow during high water events. Overall, the Pardee South Spillway stands as a testament to effective water resource management and climate resilience in California's Calaveras County.