South Stanchfield Lake in Isanti, Minnesota, is a gravity dam built in 1939 by the Works Progress Administration (WPA) with a height of 6.5 feet and a structural height of 8 feet. This dam on Stanchfield Creek serves multiple purposes and has a storage capacity of 4378 acre-feet, with a normal storage capacity of 3582 acre-feet. The dam's surface area covers 363 acres and it has a drainage area of 10 square miles.

Despite being classified as having a low hazard potential and being in satisfactory condition, South Stanchfield Lake's risk assessment indicates a moderate level of risk. The dam features an uncontrolled spillway with a width of 10 feet and has not been modified in recent years. The Minnesota Department of Natural Resources (MNDNR EWR) oversees the regulation, permitting, inspection, and enforcement of this dam, ensuring its safety and compliance with state standards. This picturesque lake, located in the city of CARMODY, provides a vital water resource for the surrounding area while also offering recreational opportunities for visitors and locals alike.