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Lakes / Illinois / Perry County / Pinckneyville Reservoir

Pinckneyville Reservoir, Illinois

186.56 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - Illinois

ChicagoSpringfieldPinckneyville ReservoirPerry Co.

38.10 degrees N, 89.40 degrees W - Perry County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.

How Pinckneyville Reservoir Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Wesseln CutPerry5.2 mi29.9 acres
Boulder LakePerry6.1 mi27.92 acres
East C Streamline LakePerry9.1 mi131.21 acres
Du Quoin LakePerry10 mi244.39 acres
West C Streamline LakeRandolph12 mi99.34 acres
Washington County LakeWashington13 mi287.14 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID48782912
CountyPerry
Coordinates38.1042, -89.4039

Questions About Pinckneyville Reservoir

How Big Is Pinckneyville Reservoir?

Pinckneyville Reservoir covers 186.56 acres in Perry County, Illinois.

What Is the Largest Lake in Perry County?

Du Quoin Lake is the largest lake in Perry County, at 244.39 acres.

Largest Lakes in Illinois

#LakeCountySurface AreaMax Depth
1Carlyle LakeClinton22,796.77 acres-
2Mine Number 21 ReservoirFranklin17,062.04 acres-
3Upper Peoria LakeWoodford15,460.64 acres-
4Lake ShelbyvilleShelby10,235.1 acres-
5Crab Orchard LakeWilliamson7,292.57 acres-

All 511 Illinois lakes ranked by surface area

Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 48782912). Verified October 30, 2026.