The Banks Group in Cannon Falls, Minnesota, is a privately owned dam regulated by the Minnesota Department of Natural Resources. Built in 1968 by the USDA NRCS, this earth dam serves multiple purposes including fire protection, stock, and small fish pond management. The dam stands at 26 feet in height with a structural height of 30 feet, stretching 420 feet in length and holding a normal storage capacity of 7.3 acre-feet.

Situated on Butler Creek in Goodhue County, the Banks Group dam has a low hazard potential and is rated as satisfactory in condition assessment. With a moderate risk level, the dam has undergone inspections every 8 years, with the last assessment conducted in August 2016. Despite being uncontrolled, the spillway width is noted as 0 feet, with a maximum discharge capacity of 60 cubic feet per second.

Owned by a private entity, the Banks Group dam plays a crucial role in water resource management in the region, providing essential services while maintaining a satisfactory condition. With its historical significance dating back to the late 1960s, the dam serves as a vital infrastructure for fire protection and ecological preservation along Butler Creek in Minnesota.