Foss Reservoir, Water reservoir in Custer County, Oklahoma.
Foss Reservoir spans 8,800 acres with a 41-mile shoreline, making it the largest body of water in western Oklahoma at a maximum depth of 89 feet.
The United States Bureau of Reclamation constructed the reservoir between 1958 and 1961 as part of the Washita Basin Project to regulate river flow and supply municipal water.
The reservoir draws fishing enthusiasts who pursue Striped Hybrid Bass, Largemouth Bass, Black Crappie, White Crappie, and Channel Catfish throughout the seasons.
The reservoir offers six boat ramps, multiple fishing docks, including a covered and lighted facility near the marina, plus RV campsites with full hookups and water service.
The location houses one of the first electrodialysis water treatment plants in the United States, updated in 2002 to produce 4.5 million gallons daily.
Location: Custer County
GPS coordinates: 35.57361,-99.18872
Latest update: May 12, 2025 07:10
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