Texas well grid 67-40
A 7.5-minute quadrangle of the Texas state well grid, mostly in Lavaca County and Guadalupe County. 363 reports, median depth 150 ft.
363Reports
150 ftMedian depth
64 ftWater at
40 gpmMedian yield
What you will drill through in grid 67-40
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Clay 168, Top Soil 101, Surface 93, Sandstone 53, Tan Clay 30, Sand 27 |
| 25–50 ft | Clay 62, Sand 17, Sandstone 17, Brown Sand-Sandstone 14, Yellow Clay 13, Tan Clay 13 |
| 50–100 ft | Clay 116, Blue Clay 38, Sandstone 30, Sand 25, Sand-Sandstone 14, Clay-Sandstone 10 |
| 100–200 ft | Clay 116, Sand 32, Sandstone 32, Blue Clay 25, Sand-Sandstone 16, Clay-Sandstone 14 |
| 200–300 ft | Clay 37, Sand-Sandstone 7, Blue Clay 6, Shale 6, Sandstone 5, Gray Sand And Layered Rock 5 |
| 300–500 ft | Clay 14, Sand 5, Sand-Sandstone 3, Shale 3, Clay-Shale 2, Sandstone, Clay 2 |
| 500–1000 ft | Sand 7, Clay 4, Sand-Sandstone 2, Clay-Sandstone 1, Clay-Shale 1, Sandy Clay 1 |
| 1000–5000 ft | Clay 3, Grey Shale 1, Sand W/ Clay Streaks 1 |
Who drills here
| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| CHANDLER DRILLING INC | 199 | 144 | 40 | 2003–2026 |
| Friedel Drilling Company | 69 | 170 | 40 | 2003–2026 |
| Maresh Drilling Co., Inc. | 45 | 140 | 50 | 2001–2025 |
| Vrana Well Service Inc. | 13 | 182 | 30 | 2003–2023 |
| WB Southern Drilling LLC | 9 | 226 | 50 | 2023–2026 |
| Motal Well Service | 2 | 360 | 30 | 2025 |
| Bull's Eye Services, LLC | 2 | 1,283 | 300 | 2025 |
| BULLS EYE SERVICES LLC | 2 | 1,245 | 230 | 2025 |
| J&S WATER WELLS | 2 | 950 | 100 | 2014–2019 |
| Friedel Drilling Companh | 2 | — | 40 | 2013–2014 |
| Burleson Services, Inc. | 2 | 320 | 100 | 2004–2006 |
| Texas Southern Drilling | 1 | 265 | 25 | 2026 |
| Diggs Drilling Co Inc | 1 | 260 | — | 2016 |
| Dowell Well Service | 1 | 150 | — | 2015 |
| Vrana's Well Service Inc. | 1 | — | 20 | 2012 |
| Cady's Water wells | 1 | — | — | 2010 |
| HERBOLD BROTHERS | 1 | — | 20 | 2009 |
| C & S UTESEY WATER WELL SERVICE & DRILLING, L.L.C. | 1 | 210 | 20 | 2005 |
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 296 | 81.5% | 146 |
| Stock | 54 | 14.9% | 158 |
| Rig Supply | 7 | 1.9% | 742 |
| Fracking Supply | 5 | 1.4% | 1,222 |
| Irrigation | 1 | 0.3% | 190 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 78 | 136 | 55 |
| 2010s | 167 | 158 | 61 |
| 2020s | 118 | 158 | 73 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 695578 | 2025 | 1,283 | 380 | 300 | Fracking Supply |
| 693883 | 2025 | 1,245 | 230 | 230 | Fracking Supply |
| 694362 | 2025 | 1,222 | 318 | 230 | Fracking Supply |
| 701563 | 2025 | 1,150 | 199 | 230 | Fracking Supply |
| 380072 | 2014 | 950 | 130 | 100 | Rig Supply |
| 641241 | 2023 | 864 | 128 | 120 | Stock |
| 484202 | 2018 | 840 | 225 | — | Fracking Supply |
| 538298 | 2020 | 832 | 119 | 95 | Rig Supply |
| 537590 | 2020 | 742 | 186 | 90 | Rig Supply |
| 342125 | 2013 | 660 | 212 | 90 | 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 67-40?
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 Lavaca County, Guadalupe County, DeWitt County.