Lakes / Texas / Caldwell County / Site Number Eighteen
Site Number Eighteen, Caldwell County, Texas
40.77 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Texas
29.98 degrees N, 97.70 degrees W - Caldwell County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Texas Parks and Wildlife Department coordinates, not by eye. Schematic - not a survey map.
How Site Number Eighteen Stacks Up
- Larger than 36% of the 1,641 lakes counted in Texas.
- About 20 miles from Austin, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Soil Conservation Service Site 16 Reservoir | Hays | 3.3 mi | 38.3 acres |
| Soil Conservation Service Site 14 Reservoir | Caldwell | 3.4 mi | 41.51 acres |
| Soil Conservation Service Site 12 Reservoir | Hays | 6.3 mi | 86.98 acres |
| Soil Conservation Service Site 6 Reservoir | Hays | 7.8 mi | 57.58 acres |
| Soil Conservation Service Site 34 Reservoir | Caldwell | 8.6 mi | 122.56 acres |
| Soil Conservation Service Site 10 Reservoir | Hays | 8.8 mi | 43.98 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Site Number Eighteen
How Big Is Site Number Eighteen?
Site Number Eighteen covers 40.77 acres in Caldwell County, Texas.
What Is the Largest Lake in Caldwell County?
Soil Conservation Service Site 34 Reservoir is the largest lake in Caldwell County, at 122.56 acres.
Deepest Natural Lakes in Texas
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Amistad Reservoir | Val Verde | 64,900 acres | 217 ft |
| 2 | Comanche Creek Reservoir | Pecos | 3,272 acres | 125 ft |
| 3 | Belton Lake | Bell | 12,385 acres | 124 ft |
| 4 | O. H. Ivie Reservoir | Concho | 19,149 acres | 119 ft |
| 5 | Stillhouse Hollow Lake | Bell | 6,429 acres | 107 ft |
All 107 Texas lakes ranked by depth
Largest Lakes in Texas
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Toledo Bend Reservoir | Sabine | 181,600 acres | 110 ft |
| 2 | Sam Rayburn Reservoir | San Augustine | 114,500 acres | 80 ft |
| 3 | Lake Livingston | San Jacinto | 90,000 acres | 77 ft |
| 4 | Falcon Reservoir | Zapata | 80,555.4 acres | - |
| 5 | Amistad Reservoir | Val Verde | 64,900 acres | 217 ft |
All 1,641 Texas lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 94513213). Verified October 30, 2026.