Black Lake Dam, located in Adams County, Washington, is a privately-owned structure regulated by the Washington Department of Ecology. Completed in 1938, this gravity dam on Crab Creek serves primarily for recreational purposes, offering a surface area of 28 acres and a maximum storage capacity of 250 acre-feet. Standing at a hydraulic height of 7 feet and a structural height of 6 feet, Black Lake Dam boasts a low hazard potential and has not been rated for its condition.

This multi-arch dam with a rock foundation spans 70 feet in length and has a drainage area of only 0.01 square miles. Despite its small size, the dam is equipped to handle a maximum discharge of 225 cubic feet per second. With no spillway type specified and no outlet gates, the dam's risk assessment, emergency action plan, and inundation maps have not been prepared or updated. While it may not be a prominent feature on the water resource or climate preservation radar, Black Lake Dam serves as a reminder of the diverse range of dam structures across the United States and their varying levels of regulatory oversight and maintenance.