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Lakes / California / Napa County / Milliken Reservoir

Milliken Reservoir, California

41 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - California

SacramentoLos AngelesMilliken ReservoirNapa Co.

38.38 degrees N, 122.23 degrees W - Napa 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 Milliken Reservoir Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Lake MadiganSolano5.3 mi76 acres
Lake CurryNapa5.6 mi321 acres
Moskowitz ReservoirNapa5.6 mi28 acres
Lake FreySolano6.5 mi54 acres
Rector ReservoirNapa7.2 mi81 acres
Lake HennesseyNapa11 mi763 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID41657325
CountyNapa
Lake TypeLake
Coordinates38.3818, -122.2294

Questions About Milliken Reservoir

How Big Is Milliken Reservoir?

Milliken Reservoir covers 41 acres in Napa County, California.

What Is the Largest Lake in Napa County?

Lake Berryessa is the largest lake in Napa County, at 18,083 acres.

Largest Lakes in California

#LakeCountySurface AreaMax Depth
1Salton SeaImperial233,096 acres-
2Lake TahoePlacer122,975 acres-
3Goose LakeModoc93,048 acres-
4Honey LakeLassen59,917 acres-
5Mono LakeMono45,124 acres-

All 1,147 California lakes ranked by surface area

Sources: USGS NHD (The National Map NHD MapServer layer 12) named waterbodies FTYPE 390/436; counties via Census point-in-polygon lake data (ID 41657325). Verified October 30, 2026.