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Lakes / Connecticut / Windham County / Quaddick Reservoir

Quaddick Reservoir, Connecticut

132.35 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - Connecticut

HartfordNew HavenQuaddick ReservoirWindham Co.

41.95 degrees N, 71.83 degrees W - Windham 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 Quaddick Reservoir Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Reams PondWindham1.9 mi33.63 acres
Stump PondWindham2.1 mi88.41 acres
Acme PondWindham3.3 mi34.14 acres
West Thompson LakeWindham4.1 mi200.37 acres
Little PondWindham4.7 mi68.07 acres
North Grosvenordale PondWindham5.1 mi58.81 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID122368038
CountyWindham
Coordinates41.9465, -71.8251

Questions About Quaddick Reservoir

How Big Is Quaddick Reservoir?

Quaddick Reservoir covers 132.35 acres in Windham County, Connecticut.

What Is the Largest Lake in Windham County?

West Thompson Lake is the largest lake in Windham County, at 200.37 acres.

Largest Lakes in Connecticut

#LakeCountySurface AreaMax Depth
1Lake CandlewoodFairfield5,127.26 acres-
2Barkhamsted ReservoirLitchfield2,231.71 acres-
3Lake LillinonahLitchfield1,531.02 acres-
4Lake GaillardNew Haven1,090.97 acres-
5Bantam LakeLitchfield953.89 acres-

All 363 Connecticut lakes ranked by surface area

Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 122368038). Verified October 30, 2026.