Lakes in Harris County, Texas
23 lakes counted in Harris County - the largest is Lake Houston at 11,854 acres.
23
Lakes Counted
11,854 acres
Largest - Lake Houston
45 ft
Deepest - Lake Houston
Harris County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Houston | Harris | 11,854 acres | 45 ft |
| 2 | Sheldon Reservoir | Harris | 1,230 acres | 10 ft |
| 3 | Highlands Reservoir | Harris | 429.47 acres | - |
| 4 | Taylor Lake | Harris | 417.11 acres | - |
| 5 | Lynchburg Reservoir | Harris | 192.5 acres | - |
| 6 | Muleshoe Lake | Harris | 168.03 acres | - |
| 7 | Warren Estate Reservoir | Harris | 159.88 acres | - |
| 8 | Mud Lake | Harris | 127.01 acres | - |
| 9 | Seaberg Reservoir Number 4 | Harris | 107.24 acres | - |
| 10 | Buckhorn Lake | Harris | 63.75 acres | - |
| 11 | Cedar Bayou Lake | Harris | 59.8 acres | - |
| 12 | Dennison Lake | Harris | 53.37 acres | - |
| 13 | Hegar Brothers Lake | Harris | 48.68 acres | - |
| 14 | Seaberg Reservoir Number 2 | Harris | 47.2 acres | - |
| 15 | Lake Sandy | Harris | 45.96 acres | - |
| 16 | Mallard Lake | Harris | 45.71 acres | - |
| 17 | Seaberg Reservoir Number 3 | Harris | 38.55 acres | - |
| 18 | Lake Nassau | Harris | 33.61 acres | - |
| 19 | Hegar Lake | Harris | 33.36 acres | - |
| 20 | Marshall Lake | Harris | 29.9 acres | - |
| 21 | Japhet Lake | Harris | 29.41 acres | - |
| 22 | Tucker Lake | Harris | 27.43 acres | - |
| 23 | Southard Lake | Harris | 25.95 acres | - |
Sources: Texas Parks and Wildlife Department lake data; USGS. Verified October 30, 2026.