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Lakes / California / Napa County / Moskowitz Reservoir

Moskowitz Reservoir, California

28 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - California

SacramentoLos AngelesMoskowitz ReservoirNapa Co.

38.46 degrees N, 122.19 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 Moskowitz Reservoir Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Milliken ReservoirNapa5.6 mi41 acres
Lake CurryNapa7.3 mi321 acres
Rector ReservoirNapa8.1 mi81 acres
Lake BerryessaNapa9.2 mi18,083 acres
Lake HennesseyNapa10 mi763 acres
Lake MadiganSolano10 mi76 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID130951646
CountyNapa
Lake TypeLake
Coordinates38.4580, -122.1915

Questions About Moskowitz Reservoir

How Big Is Moskowitz Reservoir?

Moskowitz Reservoir covers 28 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 130951646). Verified October 30, 2026.