Mud Lake Dam in Douglas, Nevada, is a privately owned structure managed by the Nevada Department of Water Resources. This Earth-type dam, designed by Stone & Webster, stands at a height of 57 feet and serves primarily for irrigation purposes. With a storage capacity of 3,172 acre-feet and a surface area of 300 acres, the dam also supports fire protection, stock watering, and recreational activities in the area.

Located on Indian Creek-OS, Mud Lake Dam has a controlled spillway with a width of 120 feet and a maximum discharge rate of 2,500 cubic feet per second. The dam's hazard potential is rated as high, with a fair condition assessment as of November 2021. Emergency action preparedness and risk management measures are in place to mitigate potential risks associated with the dam, given its very high risk assessment rating.

Although not owned or funded by federal agencies, Mud Lake Dam is subject to state regulation, inspection, and enforcement by the Nevada DWR. Its strategic location in Dresslerville, combined with its critical role in water resource management, makes it a key infrastructure for the local community and a point of interest for water resource and climate enthusiasts.