Marlette Lake Dam, located in Washoe County, Nevada, is a state-regulated earthen dam on Marlette Creek with a primary purpose of water supply. The dam stands at a height of 48 feet, with a hydraulic height of 43 feet and a structural height of 50 feet. Completed in the mid-20th century, the dam has a storage capacity of 12,700 acre-feet, with a maximum discharge of 650 cubic feet per second. The dam's spillway type is uncontrolled, with a spillway width of 12 feet.

Despite being classified with a high hazard potential, Marlette Lake Dam is currently in fair condition and undergoes regular inspections by the Nevada Department of Water Resources. The dam features two slide (sluice gate) outlet gates and has a drainage area of 4 square miles. With a moderate risk assessment score of 3, the dam is equipped with emergency action plans and meets regulatory guidelines to ensure public safety in case of emergencies. Water resource and climate enthusiasts can appreciate the engineering and structural features of Marlette Lake Dam, which plays a crucial role in water supply and conservation efforts in the region.