Lakes / California / Riverside County / Prado Flood Control Basin
Prado Flood Control Basin, California
424 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - California
33.91 degrees N, 117.64 degrees W - Riverside 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 Prado Flood Control Basin Stacks Up
- Larger than 80% of the 1,147 lakes counted in California.
- About 36 miles from Los Angeles, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lake Norconian | Riverside | 4.4 mi | 49 acres |
| Walnut Canyon Reservoir | Orange | 7.6 mi | 41 acres |
| Irvine Lake | Orange | 9.9 mi | 396 acres |
| Arnold Reservoir | Los Angeles | 10 mi | 29 acres |
| Anaheim Lake | Orange | 12 mi | 70 acres |
| Lake Mathews | Riverside | 13 mi | 2,146 acres |
Straight-line distance between lake centers.
Facts and Figures
Waterbody ID{18AA666D-06D7-4A22-B858-E8F29C9D4A30}
CountyRiverside
Lake TypeLake
Coordinates33.9070, -117.6445
Questions About Prado Flood Control Basin
How Big Is Prado Flood Control Basin?
Prado Flood Control Basin covers 424 acres in Riverside County, California.
What Is the Largest Lake in Riverside County?
Diamond Valley Lake is the largest lake in Riverside County, at 4,918 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 {18AA666D-06D7-4A22-B858-E8F29C9D4A30}). Verified October 30, 2026.