Lake Carroll Sedimentation Pond 2 Dam in Boone Branch, Carroll County, Illinois, is a private dam designed by FEHR-GRAHAM & ASSOC. for debris control on the East Fork Plum River. Completed in 1988, this earth dam stands at a height of 14 feet and stretches 700 feet in length, providing a storage capacity of 134 acre-feet. With a low hazard potential and a moderate risk assessment rating, the dam is state-regulated by the Illinois Department of Natural Resources, ensuring regular inspections and enforcement.

The dam features an uncontrolled spillway with a width of 41 feet and can handle a maximum discharge of 3430 cubic feet per second. Although currently in good condition with no available assessment data, the dam's emergency action plan status and risk management measures are not specified. With a history of state permitting, inspection, and enforcement, Lake Carroll Sedimentation Pond 2 Dam plays a crucial role in debris control and water resource management in the region, under the ownership of a private entity.

Located within the Detroit District of the U.S. Army Corps of Engineers, this dam serves a primary purpose of debris control and is positioned in an area with a drainage area of 7.1 square miles. With its strategic placement and functional design, Lake Carroll Sedimentation Pond 2 Dam stands as a testament to effective water resource management and climate resilience, contributing to the overall environmental health and safety of the region.