Mason, George is a privately owned earth dam located in Elbert, Colorado, specifically in the city of Deer Trail. Built in 1972 by the USDA NRCS, this dam serves the primary purpose of flood risk reduction along the East Bijou Creek. With a structural height of 23 feet and a length of 835 feet, Mason, George has a storage capacity of 273 acre-feet and a normal storage of 138 acre-feet, covering a surface area of 27 acres. The dam has a low hazard potential and is deemed to be in satisfactory condition as of the last assessment in 2017.

Managed by the Colorado Department of Water Resources, Mason, George is subject to state regulation, inspection, and enforcement to ensure its safety and functionality. The dam features an uncontrolled spillway with a width of 250 feet and a maximum discharge of 8,400 cubic feet per second. Despite its moderate risk assessment rating of 3, the dam has not undergone any modifications in recent years and is considered to meet safety guidelines. With a designated emergency action plan in place, Mason, George serves as a crucial infrastructure for protecting the surrounding area from potential flooding events.

Overall, Mason, George stands as a vital asset in the water resource management infrastructure of Colorado, providing flood risk reduction capabilities and safeguarding the community against potential hazards. Its strategic location along the East Bijou Creek and the efforts of the Natural Resources Conservation Service ensure that the dam remains a key component in the state's water management system. With a focus on maintaining its structural integrity and adhering to regulatory standards, Mason, George plays a critical role in preserving the safety and well-being of the surrounding region in Elbert County.