Chambers Lake, located in Roy, Washington, is a Federal water resource managed by the US Army with a primary purpose of recreation. Built in 1967, this concrete dam stands at 7 feet high, with a storage capacity of 320 acre-feet and a surface area of 67 acres. The dam controls the flow of Muck Creek and has a maximum discharge rate of 400 cubic feet per second, with an uncontrolled spillway width of 40 feet.

Despite being classified as having a low hazard potential, Chambers Lake is subject to state regulation, inspection, and enforcement by the Washington Dept of Ecology. The dam is regularly inspected every 4 years, with the last inspection conducted in July 2017. While its condition assessment is not available, the dam has an Emergency Action Plan (EAP) in place, last revised in August 2006. The risk assessment for the dam is considered moderate, with a DSAC (Dam Safety Action Classification) not yet assigned.

With its scenic surroundings and recreational opportunities, Chambers Lake serves as a vital water resource for the local community. Enthusiasts of water resources and climate can appreciate the historical significance and engineering feat of this dam, as well as the ongoing efforts to ensure its safe operation and management in harmony with environmental regulations.