# Water wells in Grayson County, Texas — how deep, and through what

> 2,230 well reports filed in Grayson County since 2001. Median depth 100 ft, water struck at 135 ft, median yield 15 gpm.

## Water wells in Grayson County, Texas

**2,230** well reports on file. The median well here was taken to **100 ft** and struck water at **135 ft** — against 180 ft and 80 ft across Texas.

### What you will drill through in Grayson County

*Logged in Grayson County, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Clay** 359 , **Topsoil** 326 , **Yellow Clay** 215 , **Surface** 198 , **Shale** 179 , **Gray Shale** 136 |
| 25–50 ft | **Shale** 126 , **Gray Shale** 88 , **Sand** 55 , **Black Shale** 28 , **Blue Shale** 21 , **Shale And Sand** 16 |
| 50–100 ft | **Sand** 121 , **Shale** 88 , **Gray Shale** 41 , **Rock** 28 , **Sand And Shale** 21 , **Blue Shale** 20 |
| 100–200 ft | **Sand** 327 , **Shale** 185 , **Gray Shale** 81 , **Rock** 61 , **Sand And Shale** 43 , **Blue Shale** 41 |
| 200–300 ft | **Sand** 323 , **Shale** 193 , **Gray Shale** 95 , **Sand And Shale** 47 , **Shale And Sand** 37 , **Black Shale** 32 |
| 300–500 ft | **Sand** 283 , **Shale** 190 , **Gray Shale** 68 , **Shale And Sand** 58 , **Sand And Shale** 61 , **Black Shale** 25 |
| 500–1000 ft | **Sand** 161 , **Shale** 106 , **Sand And Shale** 34 , **Shale And Sand** 32 , **Gray Shale** 22 , **Sandy Shale** 10 |
| 1000–5000 ft | **Sand** 17 , **Shale** 19 , **Sand And Shale** 7 , **Dark Grey Shale** 1 , **Rock** 2 , **Gray Shale** 4 |

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 Grayson County

*Licensed firms in Grayson County, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [A.L. Moser Drilling, Inc.](/driller/a-l-moser-drilling-inc.md) | 334 | 400 | 15 | 2003–2020 |
| [FAULKNER & SON](/driller/faulkner-son.md) | 178 | 335 | 20 | 2006–2026 |
| [Environmental Logistics Company, LLC](/driller/environmental-logistics-company-llc.md) | 175 | 13 | — | 2017–2025 |
| [MagnaCore Drilling & Environmental Services](/driller/magnacore-drilling-environmental-services.md) | 152 | 16 | — | 2003–2021 |
| [Sunbelt Industrial Services](/driller/sunbelt-industrial-services.md) | 133 | 18 | — | 2007–2023 |
| [Roddy Qualls Environmental Drilling](/driller/roddy-qualls-environmental-drilling.md) | 92 | 15 | — | 2016–2023 |
| [WEST Drilling](/driller/west-drilling.md) | 89 | 20 | — | 2016–2025 |
| [Bassett Drilling](/driller/bassett-drilling.md) | 80 | 200 | 15 | 2005–2025 |
| [W.E.S.T. Drilling](/driller/w-e-s-t-drilling.md) | 55 | 25 | — | 2001–2013 |
| [Total Support Services](/driller/total-support-services.md) | 49 | 20 | — | 2002–2019 |
| [Axis Drilling](/driller/axis-drilling.md) | 48 | 340 | 24 | 2013–2025 |
| [Double D Drilling](/driller/double-d-drilling.md) | 37 | 360 | 17 | 2011–2025 |
| [WALKER HILL ENVIRONMENTAL INC](/driller/walker-hill-environmental-inc.md) | 36 | 58 | — | 2014–2023 |
| [Erwin Water Well Drilling](/driller/erwin-water-well-drilling.md) | 33 | 300 | 20 | 2002–2025 |
| [Strittmatter Irrigation](/driller/strittmatter-irrigation.md) | 33 | 350 | 60 | 2003–2013 |
| [Strata Core Services, LLC](/driller/strata-core-services-llc.md) | 30 | 19 | — | 2011–2017 |
| [THI WATER WELL](/driller/thi-water-well.md) | 29 | 938 | 114 | 2009–2026 |
| Faulkner and Son | 29 | 319 | 20 | 2003–2015 |
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 24 | 5 | — | 2016–2019 |
| [Prospector Drilling and Tool Co., Inc.](/driller/prospector-drilling-and-tool-co-inc.md) | 24 | 41 | — | 2004 |
| [H/ET](/driller/h-et.md) | 22 | 81 | — | 2022–2023 |
| [Eagle Remediation](/driller/eagle-remediation.md) | 22 | 23 | — | 2022–2023 |
| [Earth Tech](/driller/earth-tech.md) | 21 | 460 | 24 | 2005–2017 |
| [Talon Drilling, LP](/driller/talon-drilling-lp.md) | 17 | 25 | — | 2004–2009 |
| [SLA](/driller/sla.md) | 16 | 5 | — | 2004–2012 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 821 | 36.8% | 340 |
| Monitor | 585 | 26.2% | 23 |
| Environmental Soil Boring | 491 | 22.0% | 11 |
| Irrigation | 140 | 6.3% | 350 |
| Test Well | 38 | 1.7% | 25 |
| Stock | 33 | 1.5% | 400 |
| Public Supply | 32 | 1.4% | 1,440 |
| Rig Supply | 24 | 1.1% | 560 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 603 | 240 | 140 |
| 2010s | 948 | 38 | 110 |
| 2020s | 679 | 35 | 140 |

### The deepest reports on file

*Deepest reports in Grayson County. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 224080 | 2005 | 2,556 | 736 | 250 | Public Supply |
| 687208 | 2024 | 2,550 | 854 | 566 | Public Supply |
| 654609 | 2023 | 2,520 | 835 | 400 | Public Supply |
| 679531 | 2024 | 2,518 | 866 | 640 | Public Supply |
| 572123 | 2020 | 2,500 | 846 | 335 | Public Supply |
| 346088 | 2012 | 2,500 | 884 | 610 | Public Supply |
| 656223 | 2023 | 2,407 | — | — | Irrigation |
| 75272 | 2003 | 2,400 | 787 | 350 | Public Supply |
| 501490 | 2019 | 2,075 | — | — | Irrigation |
| 648921 | 2023 | 2,030 | — | — | Irrigation |

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 Grayson 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](/privacy.md).

### Counties with a comparable number of reports

- [Glasscock](/county/glasscock.md)
- [Cochran](/county/cochran.md)
- [El Paso](/county/el-paso.md)
- [Robertson](/county/robertson.md)
- [Deaf Smith](/county/deaf-smith.md)
- [Upton](/county/upton.md)
- [Polk](/county/polk.md)
- [Brazos](/county/brazos.md)
- [Burleson](/county/burleson.md)
- [Goliad](/county/goliad.md)
- [Uvalde](/county/uvalde.md)
- [Wichita](/county/wichita.md)
- [Reeves](/county/reeves.md)

A sliding window, not a ranking. [Every county](/county.md).

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Página: https://texas-water-wells.pages.dev/county/grayson/
Fonte: Texas Submitted Driller's Report Database — Texas Water Development Board, from reports filed with the Texas Department of Licensing and Regulation
Recolha: 2026-08-23