Texas well grid 79-04
A 7.5-minute quadrangle of the Texas state well grid, mostly in DeWitt County. 406 reports, median depth 220 ft.
406Reports
220 ftMedian depth
68 ftWater at
60 gpmMedian yield
What you will drill through in grid 79-04
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Clay 160, Sand 90, Surface 96, Caliche 36, Top Soil 26, Red Clay 23 |
| 25–50 ft | Clay 57, Sand 37, Brown Sand-Sandstone 8, Red Clay 7, Sandstone 6, Silty Clay, Tan 4 |
| 50–100 ft | Clay 87, Sand 68, Red Clay 20, Sandstone 11, Sand & Clay 8, Brown Sand-Sandstone 8 |
| 100–200 ft | Clay 124, Sand 84, Sandstone 24, Red Clay 20, Sand & Clay 14, Shale 11 |
| 200–300 ft | Clay 94, Sand 68, Sandstone 22, Shale 13, Clay & Sand 9, Brown Sand-Sandstone (M) 7 |
| 300–500 ft | Sand 36, Clay 32, Shale 12, Sand & Clay 8, Sandstone & Clay 6, Sandstone 5 |
| 500–1000 ft | Clay 10, Sand 6, Sand-Sandstone 2, Shale 3, Clay-Sandstone 1, Clay W/ Sand Streaks 2 |
| 1000–5000 ft | Sand W/ Shale Streaks 2, Grey Shale 2, Clay 2, Clay W/ Sand Streaks 1 |
Who drills here
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 140 | 34.5% | 220 |
| Rig Supply | 75 | 18.5% | 340 |
| Environmental Soil Boring | 62 | 15.3% | 15 |
| Monitor | 55 | 13.5% | 55 |
| Stock | 49 | 12.1% | 240 |
| Industrial | 13 | 3.2% | 328 |
| Fracking Supply | 11 | 2.7% | 772 |
| Public Supply | 1 | 0.2% | — |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 103 | 268 | 72 |
| 2010s | 180 | 250 | 69 |
| 2020s | 123 | 75 | 65 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 710010 | 2025 | 3,699 | 109 | 800 | Fracking Supply |
| 706488 | 2025 | 3,699 | 87 | 750 | Fracking Supply |
| 708681 | 2025 | 840 | 144 | 250 | Fracking Supply |
| 560628 | 2020 | 800 | 150 | 120 | Fracking Supply |
| 363988 | 2014 | 772 | 147 | — | Fracking Supply |
| 399535 | 2015 | 760 | 148 | — | Fracking Supply |
| 361607 | 2014 | 740 | 118 | — | Fracking Supply |
| 509496 | 2019 | 720 | 154 | — | Rig Supply |
| 539733 | 2020 | 698 | 107 | 450 | Fracking Supply |
| 507993 | 2019 | 672 | 132 | — | Rig Supply |
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 79-04?
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 DeWitt County.