Texas well grid 80-21
A 7.5-minute quadrangle of the Texas state well grid, mostly in Calhoun County and Jackson County. 185 reports, median depth 300 ft.
185Reports
300 ftMedian depth
38 ftWater at
80 gpmMedian yield
What you will drill through in grid 80-21
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Clay 80, Surface Clay 24, Clay Brown 24, Topsoil 23, Red Clay 16, Top Soil 14 |
| 25–50 ft | Sand 9, Clay 6, Gray Clay 4, Clay Brown 4, Red Clay 3, Clay Red 3 |
| 50–100 ft | Sand 66, Clay 24, Sand & Sandy Clay 6, Clay Brown & Grey 5, Gray Clay 4, Red Clay 4 |
| 100–200 ft | Clay 80, Sand 69, Sandy Clay 17, Clay Brown & Grey 12, Clay Brown & Gray 9, Clay Blue & Brown 6 |
| 200–300 ft | Sand 63, Clay 54, Clay Td 17, Sandy Clay 14, Clay Blue & Grey 7, Course Sand 7 |
| 300–500 ft | Sand 35, Clay 31, Clay Td 13, Sandy Clay 4, Sand Med & Coarse 3, Shale 2 |
| 500–1000 ft | Sand 5, Clay 3, Clay S/S 2, Clay Td 2, Clay Blue Broen & Grey 1, Rock 1 |
Who drills here
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 130 | 70.3% | 310 |
| Irrigation | 14 | 7.6% | 215 |
| Rig Supply | 12 | 6.5% | 160 |
| Industrial | 9 | 4.9% | 302 |
| Stock | 6 | 3.2% | 260 |
| Public Supply | 5 | 2.7% | 407 |
| Environmental Soil Boring | 5 | 2.7% | 20 |
| Test Well | 3 | 1.6% | 355 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 57 | 299 | 40 |
| 2010s | 69 | 285 | 34 |
| 2020s | 59 | 315 | 37 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 719626 | 2026 | 1,430 | — | — | Test Well |
| 308900 | 2012 | 614 | 53 | — | Irrigation |
| 308925 | 2012 | 612 | 50 | 200 | Irrigation |
| 87916 | 2006 | 550 | 70 | 60 | Domestic |
| 407210 | 2015 | 544 | 53 | 120 | Domestic |
| 245611 | 2010 | 525 | 70 | 60 | Domestic |
| 341230 | 2013 | 520 | 69 | 60 | Domestic |
| 311362 | 2013 | 520 | 67 | 60 | Domestic |
| 190117 | 2006 | 518 | 40 | 1,000 | Irrigation |
| 146737 | 2006 | 506 | 44 | 100 | 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 80-21?
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 Calhoun County, Jackson County, Matagorda County.