Lakes / California / Colusa County / Powell Slough
Powell Slough, California
27 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - California
39.17 degrees N, 122.04 degrees W - Colusa 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 Powell Slough Stacks Up
- Larger than 5% of the 1,147 lakes counted in California.
- About 50 miles from Sacramento, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Long Lake | Sutter | 11 mi | 45 acres |
| Sutter By-Pass | Sutter | 18 mi | 74 acres |
| Packer Lake | Glenn | 19 mi | 56 acres |
| Shepard Slough | Glenn | 22 mi | 27 acres |
| Hiatt Lake | Yolo | 23 mi | 26 acres |
| Ellis Lake | Yuba | 24 mi | 30 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Powell Slough
How Big Is Powell Slough?
Powell Slough covers 27 acres in Colusa County, California.
What Is the Largest Lake in Colusa County?
East Park Reservoir is the largest lake in Colusa County, at 1,334 acres.
Largest Lakes in California
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Salton Sea | Imperial | 233,096 acres | - |
| 2 | Lake Tahoe | Placer | 122,975 acres | - |
| 3 | Goose Lake | Modoc | 93,048 acres | - |
| 4 | Honey Lake | Lassen | 59,917 acres | - |
| 5 | Mono Lake | Mono | 45,124 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 123697030). Verified October 30, 2026.