Mark Edson, also known as Stumpy Meadows Reservoir, is a key water resource located in El Dorado County, California. Managed by a public utility, this dam serves various purposes including irrigation, recreation, and water supply. With a height of 162 feet and a hydraulic height of 152 feet, the dam was completed in 1962 and holds a storage capacity of 20,000 acre-feet.

Situated on Pilot Creek, Mark Edson plays a crucial role in the water supply infrastructure of the region. With a surface area of 330 acres and a drainage area of 15.6 square miles, the reservoir is regulated and inspected by the California Department of Water Resources for safety and enforcement. Despite its high hazard potential, the dam has been assessed as satisfactory in condition as of September 2017.

With its strategic location in Folsom, California, Mark Edson serves as a vital component in ensuring water supply reliability for the surrounding communities. The dam's emergency action plan was last revised in March 2021 to meet guidelines for risk management and preparedness in case of any unforeseen events. For water resource and climate enthusiasts, Mark Edson represents a fascinating case study in dam infrastructure and water management practices.