LakeCount. Every Lake. Measured.
Wisconsin
Wisconsin5,549 lakes & pondsMinnesotacoming soonMichigancoming soonNew York1,783 lakes & pondsVermont425 lakes & pondsMainecoming soonFlorida2,294 lakes & pondsPennsylvania743 lakes & pondsOhio352 lakes & pondsWashington1,427 lakes & ponds
12,573 Lakes & Ponds

Lakes / Washington / Soap Lake

Soap Lake, Grant County, Washington

844 acres
Surface Area
About 90 ft
Max Depth (Approximate)
1,074 ft
Surface Elevation

Where It Sits, and How Deep It Goes

Locator - Washington

OlympiaSeattleSoap LakeGrant Co.

47.41 degrees N, 119.50 degrees W - Grant County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Washington DFW coordinates, not by eye. Schematic - not a survey map.

Depth Profile - Soap Lake

0 ft - SurfaceMax Depth (Approx.) - About 90 ftA Typical Shallow Lake - Under 20 ft Deep

Schematic cross-section drawn to one shared depth scale - not a survey or bathymetric map. Max depth is approximate, from Washington Dept. of Ecology bathymetry.

Facts and Figures

Waterbody ID147546884
CountyGrant
Lake TypeLake
Coordinates47.4056, -119.4964

Largest Lakes in Washington

#LakeCountySurface AreaMax Depth
1Franklin D Roosevelt LakeFerry71,323 acres-
2Lake UmatillaKlickitat50,042 acres-
3Lake ChelanChelan32,677 acresAbout 1,500 ft
4Banks LakeGrant26,879 acres-
5Lake WallulaBenton26,343 acres-
Sources: USGS NHD via WA Dept of Ecology lake data (ID 147546884); Washington Dept. of Ecology bathymetry (approximate max depth). Verified October 30, 2026.