LakeCount. Every Lake. Measured.

Lakes / Oklahoma / Osage County / Avant Water Supply Lake

Avant Water Supply Lake, Oklahoma

28.91 acres
Surface Area

Where It Sits, and How Deep It Goes

Locator - Oklahoma

Oklahoma CityTulsaAvant Water Supply LakeOsage Co.

36.49 degrees N, 96.03 degrees W - Osage 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 Avant Water Supply Lake Stacks Up

Lakes Nearby

LakeCountyDistanceSurface Area
Lake WaxhomaOsage6.8 mi122.56 acres
Skiatook LakeOsage12 mi10,410.2 acres
Oknoname 113001 ReservoirOsage14 mi25.2 acres
Lake YaholaTulsa19 mi422.3 acres
Recreation LakeTulsa19 mi61.53 acres
Shell LakeOsage22 mi557.96 acres

Straight-line distance between lake centers.

Facts and Figures

Waterbody ID131461162
CountyOsage
Coordinates36.4865, -96.0264

Questions About Avant Water Supply Lake

How Big Is Avant Water Supply Lake?

Avant Water Supply Lake covers 28.91 acres in Osage County, Oklahoma.

What Is the Largest Lake in Osage County?

Keystone Lake is the largest lake in Osage County, at 22,970.19 acres.

Largest Lakes in Oklahoma

#LakeCountySurface AreaMax Depth
1Eufaula LakePittsburg100,734.12 acres-
2Lake TexomaMarshall59,414.43 acres-
3Grand Lake O' The CherokeesDelaware38,902.36 acres-
4Robert S Kerr ReservoirHaskell35,795.91 acres-
5Oologah LakeRogers29,728.7 acres-

All 376 Oklahoma lakes ranked by surface area

Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 131461162). Verified October 30, 2026.