Roper Lake, located in Graham, Arizona, is a state-regulated water resource managed by the Arizona Department of Water Resources. This recreational site, completed in 1961, serves multiple purposes including recreation and water supply. The earth dam, with a height of 17 feet and a length of 2964 feet, creates a storage capacity of 313 acre-feet and covers a surface area of 34 acres.

The dam on Roper Lake poses a high hazard potential but has been assessed as satisfactory in condition. A spillway width of 40 feet allows for controlled release of water in case of emergencies, with a maximum discharge capacity of 100 cubic feet per second. Despite its moderate risk assessment, Roper Lake provides a vital source of water supply in the region and offers recreational opportunities for visitors. The site's location in the Stockton Wash - OS area, along with its proximity to the city of Safford, makes it a popular destination for water resource and climate enthusiasts seeking to explore and appreciate the beauty and functionality of this reservoir.