Water wells in Marion County, Texas
474 well reports on file. The median well here was taken to 240 ft and struck water at 79 ft — against 180 ft and 80 ft across Texas.
What you will drill through in Marion County
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Sand 59, Clay 60, Top Soil 47, Shale 32, Red Clay 24, Clay Red 21 |
| 25–50 ft | Shale 25, Gray Shale 15, Sand 12, Shale Grey 10, Rock 5, Dark Sand 5 |
| 50–100 ft | Shale 52, Sand 25, Rock 19, Gray Shale 13, Dark Sand 11, Sand/Shale 5 |
| 100–200 ft | Shale 80, Sand 52, Rock 31, Gray Shale 15, Dark Sand 13, Sand/Shale 10 |
| 200–300 ft | Shale 65, Sand 47, Rock 22, Gray Shale 21, Sand/Shale 8, Shale Grey 9 |
| 300–500 ft | Shale 78, Sand 36, Shale Grey 14, Rock 11, Sand Grey 10, Gray Shale 10 |
| 500–1000 ft | Shale 13, Gray Shale 4, Shale Grey 5, Sand 3, Light Gray Sand 3, Sand Grey 2 |
| 1000–5000 ft | Shale 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 Marion County
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 184 | 38.8% | 367 |
| Monitor | 107 | 22.6% | 35 |
| Rig Supply | 82 | 17.3% | 260 |
| Environmental Soil Boring | 50 | 10.5% | 24 |
| Stock | 19 | 4.0% | 422 |
| Irrigation | 12 | 2.5% | 415 |
| Industrial | 11 | 2.3% | 400 |
| Test Well | 4 | 0.8% | 22 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 223 | 80 | 64 |
| 2010s | 163 | 310 | 88 |
| 2020s | 88 | 300 | 97 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 590593 | 2021 | 3,369 | 70 | — | Domestic |
| 470889 | 2018 | 932 | 238 | 37 | Test Well |
| 488682 | 2018 | 925 | 242 | 600 | Public Supply |
| 65636 | 2005 | 782 | 184 | 52 | Rig Supply |
| 282186 | 2012 | 700 | — | — | Rig Supply |
| 610296 | 2022 | 682 | 137 | 45 | Stock |
| 553881 | 2020 | 647 | 217 | 27 | Stock |
| 647257 | 2023 | 615 | 187 | 60 | Domestic |
| 311501 | 2012 | 600 | 125 | — | Industrial |
| 255149 | 2011 | 600 | — | — | Rig Supply |
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 Marion 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.