Texas well grid 39-40
A 7.5-minute quadrangle of the Texas state well grid, mostly in Leon County and Freestone County. 165 reports, median depth 420 ft.
165Reports
420 ftMedian depth
90 ftWater at
50 gpmMedian yield
What you will drill through in grid 39-40
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Sand 26, Clay 11, Red Clay 11, Orange Sand 9, Tan Sand 9, Tan Sandy Clay 10 |
| 25–50 ft | Gray Clay 10, Sand 7, Gray Sand 7, Blue Clay 7, Sandy Gray Clay 7, Brown Clay 4 |
| 50–100 ft | Gray Sand 16, Sand 14, Gray Clay 10, Blue Clay 9, Rock 5, Clay 7 |
| 100–200 ft | Sand 23, Gray Clay 14, Gray Sand 13, Blue Clay 9, Shale 12, Sandy Gray Clay 10 |
| 200–300 ft | Sand 16, Shale 15, Blue Clay 8, Rock 10, Gray Sand 14, Gray Clay 10 |
| 300–500 ft | Sand 26, Gray Clay 21, Gray Sand 15, Rock 9, White Sand 18, Shale 9 |
| 500–1000 ft | Gray Clay 30, Gray Sand 30, Sand 28, Lignite 22, Shale 13, Clay 10 |
| 1000–5000 ft | Sandy Shale 1, Sand 1, Fine Sand 1, Shale 1, Shaley Sand, 1807-1847 Shale 1 |
Who drills here
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 52 | 31.5% | 730 |
| Monitor | 33 | 20.0% | 20 |
| Rig Supply | 26 | 15.8% | 320 |
| Environmental Soil Boring | 20 | 12.1% | 10 |
| Stock | 16 | 9.7% | 735 |
| Industrial | 5 | 3.0% | 880 |
| Irrigation | 5 | 3.0% | 555 |
| Other | 3 | 1.8% | 760 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 69 | 460 | 78 |
| 2010s | 74 | 340 | 90 |
| 2020s | 22 | 613 | 104 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 375705 | 2014 | 1,807 | 220 | 400 | Public Supply |
| 160314 | 2008 | 984 | 128 | 62 | Test Well |
| 93106 | 2006 | 915 | 112 | 30 | Domestic |
| 461997 | 2017 | 895 | 88 | 15 | Domestic |
| 133472 | 2008 | 880 | 115 | 192 | Industrial |
| 112780 | 2007 | 880 | 109 | — | Industrial |
| 493195 | 2018 | 870 | — | — | Industrial |
| 394278 | 2015 | 865 | 180 | 32 | Domestic |
| 673241 | 2024 | 840 | 138 | — | Stock |
| 156773 | 2008 | 840 | 106 | 25 | Domestic |
Every figure here comes from a report a licensed driller filed on the day the work ended — sometimes decades ago. It describes what was found then, not what a well yields today, and it is not a statement that any well is sound, potable or still in use.
Drilling a well near grid 39-40?
Depth is only half the quote. What it costs depends on the rock, the casing and the pump. Tell us where and we pass the request to licensed Texas drillers.
We are nobody's agent and have no arrangement with any firm today. What we do with this.
This grid falls in Leon County, Freestone County.