Lakes / Missouri / Washington County / Keyes Branch Mine Tailings Pond
Keyes Branch Mine Tailings Pond, Missouri
54.04 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Missouri
37.96 degrees N, 90.76 degrees W - Washington 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 Keyes Branch Mine Tailings Pond Stacks Up
- Larger than 51% of the 352 lakes counted in Missouri.
- About 55 miles from St. Louis, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Hornsey Lake | Washington | 4.0 mi | 73.88 acres |
| Apex Lake | Washington | 4.1 mi | 48.11 acres |
| Hornsey Brothers Lake | Washington | 6.0 mi | 48.93 acres |
| Lac Carmel | St. Francois | 7.0 mi | 55.35 acres |
| Lac Capri | St. Francois | 8.1 mi | 106.05 acres |
| Lac Marseilles | St. Francois | 8.7 mi | 47.44 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Keyes Branch Mine Tailings Pond
How Big Is Keyes Branch Mine Tailings Pond?
Keyes Branch Mine Tailings Pond covers 54.04 acres in Washington County, Missouri.
What Is the Largest Lake in Washington County?
Sunnen Lake is the largest lake in Washington County, at 212.13 acres.
Largest Lakes in Missouri
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake of the Ozarks | Camden | 51,171.75 acres | - |
| 2 | Harry S Truman Reservoir | Benton | 49,365.93 acres | - |
| 3 | Table Rock Lake | Stone | 41,777.86 acres | - |
| 4 | Stockton Lake | Cedar | 24,962.34 acres | - |
| 5 | Mark Twain Lake | Ralls | 18,362.33 acres | - |
All 352 Missouri lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 43890651). Verified October 30, 2026.