Lake Summerset Dam, located in Winnebago, Illinois, is a privately-owned earth dam that was completed in 1969 for recreational purposes. The dam, standing at 44 feet tall and spanning 1794 feet in length, creates Lake Summerset on the South Branch Otter Creek. With a maximum storage capacity of 7312 acre-feet and a surface area of 301 acres, the dam serves as a popular destination for water enthusiasts in the area.

Managed by the Illinois Department of Natural Resources, Lake Summerset Dam is regulated, inspected, and enforced by the state to ensure its safety and functionality. The dam's spillway, with a width of 80 feet, is uncontrolled, and the hazard potential is rated as high. While the condition assessment is not available, the dam is subject to regular inspections to monitor its integrity. Despite the moderate risk assessment, the dam remains a vital part of the recreational ecosystem in the region.

Surrounded by the scenic beauty of Winnebago County, Lake Summerset Dam provides a tranquil retreat for residents and visitors alike. The dam's contribution to the local environment, combined with its recreational value, underscores the importance of sustainable water resource management in the face of changing climate conditions. As enthusiasts of water resources and climate resilience, the preservation of Lake Summerset Dam serves as a reminder of the interconnectedness between human activities and the natural world.