Lakes / Washington / Potholes Reservoir
Potholes Reservoir, Washington
14,292 acres
Surface Area
1,043 ft
Surface Elevation
Where It Sits, and How Deep It Goes
Locator - Washington
47.02 degrees N, 119.35 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.
How Potholes Reservoir Stacks Up
- Ranks #9 for surface area among the Washington lakes counted so far - 14,292 acres.
- About 100 miles from Spokane, as the crow flies.
- 9 fish species on the WDFW list for this lake.
Fish Species
Black crappieBluegillCommon carpLake whitefishLargemouth bassRainbow troutSmallmouth bassWalleyeYellow perch
Species recorded for this lake. Presence only - no abundance ratings.
Facts and Figures
Waterbody ID157385409
CountyGrant
Lake TypeLake
Coordinates47.0151, -119.3477
Largest Lakes in Washington
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Franklin D Roosevelt Lake | Ferry | 71,323 acres | - |
| 2 | Lake Umatilla | Klickitat | 50,042 acres | - |
| 3 | Lake Chelan | Chelan | 32,677 acres | About 1,500 ft |
| 4 | Banks Lake | Grant | 26,879 acres | - |
| 5 | Lake Wallula | Benton | 26,343 acres | - |
Sources: Washington DFW; USGS NHD via WA Dept of Ecology lake data (ID 157385409). Verified October 30, 2026.