Water wells in Calhoun County, Texas
1,925 well reports on file. The median well here was taken to 120 ft and struck water at 16 ft — against 180 ft and 80 ft across Texas.
What you will drill through in Calhoun County
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Clay 504, Topsoil 415, Sand 342, No Recovery 78, Top Soil 103, Gray Clay 72 |
| 25–50 ft | Clay 159, Sand 126, Gray Clay 50, No Recovery 30, Red Clay 39, Grey Clay 32 |
| 50–100 ft | Sand 292, Clay 212, Gray Clay 89, Grey Clay 34, Fine Sand 35, Red Clay 33 |
| 100–200 ft | Sand 324, Clay 271, Gray Clay 88, Fine Sand 63, Sandy Clay 43, Course Sand 42 |
| 200–300 ft | Sand 235, Clay 133, Course Sand 62, Gray Clay 30, Sandy Clay 29, Clay Td 21 |
| 300–500 ft | Sand 79, Clay 72, Clay Td 16, Red Clay 12, Course Sand 11, Sandy Clay 7 |
| 500–1000 ft | Sand 20, Clay 12, Clay Td 5, Clay S/S 2, Sand, Small Clay Streaks 1, Sand Fine 1 |
The rock column here is what drillers wrote down, layer by layer, in their own words — 5,345,462 layers across 707,856 wells. It is not a geological survey: two drillers may call the same clay by two names, and this site does not correct them.
Who drills in Calhoun County
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 701 | 36.4% | 225 |
| Monitor | 535 | 27.8% | 25 |
| Environmental Soil Boring | 384 | 19.9% | 20 |
| Stock | 118 | 6.1% | 270 |
| Irrigation | 70 | 3.6% | 280 |
| Rig Supply | 42 | 2.2% | 240 |
| Industrial | 25 | 1.3% | 315 |
| Other | 24 | 1.2% | 30 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 564 | 180 | 16 |
| 2010s | 784 | 86 | 16 |
| 2020s | 577 | 95 | 17 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 128434 | 2007 | 1,030 | 18 | 750 | Public Supply |
| 48760 | 2003 | 932 | 79 | 2,800 | Irrigation |
| 171461 | 2004 | 809 | 70 | 1,000 | Irrigation |
| 37341 | 2003 | 654 | 108 | 70 | Industrial |
| 308900 | 2012 | 614 | 53 | — | Irrigation |
| 308927 | 2012 | 612 | 58 | 150 | Irrigation |
| 308925 | 2012 | 612 | 50 | 200 | Irrigation |
| 408993 | 2015 | 570 | 68 | 60 | Domestic |
| 656422 | 2023 | 565 | 38 | 80 | Domestic |
| 545991 | 2020 | 565 | 33 | — | Domestic |
Every figure on this site is a median, never an average. On reported yield the average is twice the median, because a handful of entries are typing errors — the largest reads 2,200,100 gallons per minute against 30,078 for the next one. Yields above 3,000 gpm (136 wells, 0.045%) and depths beyond 5,000 ft (103 wells, 0.016%) are kept in the file, marked, and left out of the medians.
Drilling a well in Calhoun County?
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.
Counties with a comparable number of reports
A sliding window, not a ranking. Every county.