# Well grid 18-20, Texas — Grayson — how deep, and through what

> 408 well reports in Texas state well grid 18-20, covering Grayson. Median depth 20 ft.

## Texas well grid 18-20

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Grayson County](/county/grayson.md). **408** reports, median depth **20 ft**.

### What you will drill through in grid 18-20

*Logged in state well grid 18-20, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Clay** 47 , **Concrete** 43 , **Topsoil** 38 , **Shale** 22 , **Surface** 16 , **Gray Shale** 15 |
| 25–50 ft | **Shale** 13 , **Sand** 4 , **Light Brown Sand** 3 , **Blueish Grey Clayey Silt With Orange Mottles.** 2 , **White Shale** 2 , **Clay** 2 |
| 50–100 ft | **Sand** 11 , **Shale** 9 , **Gray Shale** 5 , **Blue Shale** 4 , **Shale And Sand** 3 , **Sandy Shale** 2 |
| 100–200 ft | **Shale** 13 , **Sand** 12 , **Sand And Shale** 7 , **Gray Shale** 6 , **Rock** 5 , **Red Shale** 3 |
| 200–300 ft | **Sand** 12 , **Shale** 9 , **Gray Shale** 6 , **Sandy Shale** 2 , **Sand And Shale** 2 , **Gray Sandy Shale** 1 |
| 300–500 ft | **Sand** 12 , **Shale** 9 , **Sand And Shale** 4 , **Limestone** 3 , **Sandy Shale** 4 , **Shale And Sand** 4 |
| 500–1000 ft | **Sand** 33 , **Shale** 26 , **Shale And Sand** 11 , **Sand And Shale** 3 , **Sand And Hard Sand** 3 , **Gray Shale** 2 |
| 1000–5000 ft | **Shale Grey** 1 , **Sand And Shale** 1 , **Grey Clay** 1 , **White Clay W/Sand Streaks** 1 , **Light Grey, Green** 1 |

### Who drills here

*Licensed firms in state well grid 18-20, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [MagnaCore Drilling & Environmental Services](/driller/magnacore-drilling-environmental-services.md) | 91 | 20 | — | 2008–2016 |
| [Environmental Logistics Company, LLC](/driller/environmental-logistics-company-llc.md) | 61 | 10 | — | 2017–2025 |
| [A.L. Moser Drilling, Inc.](/driller/a-l-moser-drilling-inc.md) | 43 | 655 | 12 | 2003–2019 |
| [Sunbelt Industrial Services](/driller/sunbelt-industrial-services.md) | 40 | 25 | — | 2012–2020 |
| [WEST Drilling](/driller/west-drilling.md) | 21 | 17 | — | 2018–2025 |
| [Total Support Services](/driller/total-support-services.md) | 20 | 20 | — | 2002–2019 |
| [Bassett Drilling](/driller/bassett-drilling.md) | 11 | 102 | 13 | 2006–2022 |
| [Roddy Qualls Environmental Drilling](/driller/roddy-qualls-environmental-drilling.md) | 11 | 15 | — | 2016–2022 |
| [Strata Core Services, LLC](/driller/strata-core-services-llc.md) | 10 | 20 | — | 2012–2017 |
| U. S. T. Services | 10 | — | — | 2009 |
| [Talon Drilling, LP](/driller/talon-drilling-lp.md) | 9 | 24 | — | 2006–2009 |
| [FAULKNER & SON](/driller/faulkner-son.md) | 8 | 360 | 20 | 2012–2025 |
| [Axis Drilling](/driller/axis-drilling.md) | 6 | 600 | 20 | 2020–2023 |
| Faulkner and Son | 5 | 285 | 30 | 2007–2014 |
| [qualls drilling](/driller/qualls-drilling.md) | 5 | — | — | 2014 |
| [W.E.S.T. Drilling](/driller/w-e-s-t-drilling.md) | 5 | 20 | — | 2011 |
| [Betts Drilling](/driller/betts-drilling.md) | 4 | 25 | — | 2025 |
| [Tolunay-Wong Engineers,Inc](/driller/tolunay-wong-engineers-inc.md) | 4 | 28 | — | 2019 |
| [Miller Drilling Co.](/driller/miller-drilling-co.md) | 4 | 545 | 15 | 2004–2013 |
| [RIOMAR DRILLING INC](/driller/riomar-drilling-inc.md) | 3 | 12 | — | 2014 |
| Sunbelt Industrial Service | 3 | 50 | — | 2014 |
| MagnaCore Drilling & Enviromnental Services | 3 | 15 | — | 2009 |
| [SCI](/driller/sci.md) | 3 | 25 | — | 2006–2007 |
| [BEST DRILLING SERVICES, INC.](/driller/best-drilling-services-inc.md) | 3 | 51 | — | 2004 |
| [Wel-Mat Drilling LLP](/driller/wel-mat-drilling-llp.md) | 2 | — | — | 2010 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Monitor | 172 | 42.2% | 20 |
| Environmental Soil Boring | 142 | 34.8% | 15 |
| Domestic | 70 | 17.2% | 400 |
| Irrigation | 15 | 3.7% | 410 |
| Test Well | 5 | 1.2% | 34 |
| Closed-Loop Geothermal | 2 | 0.5% | — |
| Public Supply | 1 | 0.2% | 1,140 |
| Rig Supply | 1 | 0.2% | 920 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 101 | 51 | 154 |
| 2010s | 219 | 20 | 18 |
| 2020s | 88 | 19 | 20 |

### The deepest reports on file

*Deepest reports in state well grid 18-20. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 442335 | 2016 | 1,140 | 475 | 160 | Public Supply |
| 46820 | 2004 | 1,044 | 500 | 10 | Domestic |
| 83012 | 2006 | 1,020 | 400 | 20 | Domestic |
| 120100 | 2007 | 1,000 | 520 | 20 | Irrigation |
| 41387 | 2003 | 930 | 240 | 15 | Domestic |
| 266413 | 2011 | 920 | 330 | 20 | Rig Supply |
| 300393 | 2012 | 800 | 500 | 3 | Domestic |
| 83011 | 2006 | 780 | 200 | 15 | Domestic |
| 73802 | 2005 | 770 | 400 | 20 | Domestic |
| 236764 | 2010 | 735 | 320 | 25 | Irrigation |

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 18-20?

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).

This grid falls in [Grayson County](/county/grayson.md).

### Grids with a comparable number of reports

- [59-60](/area/59-60.md)
- [61-47](/area/61-47.md)
- [27-13](/area/27-13.md)
- [41-04](/area/41-04.md)
- [68-27](/area/68-27.md)
- [28-46](/area/28-46.md)
- [57-30](/area/57-30.md)
- [67-31](/area/67-31.md)
- [79-04](/area/79-04.md)
- [60-34](/area/60-34.md)
- [24-62](/area/24-62.md)
- [57-39](/area/57-39.md)
- [10-05](/area/10-05.md)

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Página: https://texas-water-wells.pages.dev/area/18-20/
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