Cadman Lewisville S&G Pit is a privately owned structure located in Clark County, Washington, with a primary purpose classified as "Other." This Earth-type dam was completed in 2007 and stands at a hydraulic height of 39 feet with a length of 1400 feet. The dam has a storage capacity of 293 acre-feet, with a normal storage level of 266 acre-feet and a drainage area of 13.75 square miles. The structure is state-regulated by the Washington Dept of Ecology, with inspection, permitting, and enforcement measures in place to ensure its safety and compliance.

Despite being designated as having a high hazard potential, Cadman Lewisville S&G Pit has been assessed to be in satisfactory condition as of March 2021. The dam has a scheduled inspection frequency of 5 years, with the last inspection date recorded in February 2020. Emergency action plans are in place, although it is unclear if they meet guidelines or if inundation maps have been prepared. The structure is not under the jurisdiction of the US Army Corps of Engineers, and there is limited information available on risk assessment, management measures, and other regulatory aspects. Overall, Cadman Lewisville S&G Pit presents an intriguing case study for water resource and climate enthusiasts interested in the management and safety of privately owned dams in the Pacific Northwest.