Lewis #2 is a state-regulated dam located in Dyer, Tennessee, along the TRIBLEWIS CREEK. Built in 2001 by CONTINENTAL ENGINEERING, this Earth dam stands at a structural height of 32 feet with a hydraulic height of 20 feet. The dam has a storage capacity of 690 acre-feet and serves the primary purpose of flood risk reduction.

With a hazard potential rated as high and a condition assessment deemed satisfactory as of March 2021, Lewis #2 poses moderate risk according to the latest evaluation. The Tennessee Safe Dams Program oversees the state's regulation, inspection, and enforcement of this dam, ensuring its adherence to safety standards. Despite its moderate risk level, the dam remains structurally sound and continues to fulfill its crucial role in protecting the surrounding area from potential flooding events.