# Well grid 18-31, Texas — Fannin — how deep, and through what

> 104 well reports in Texas state well grid 18-31, covering Fannin. Median depth 20 ft.

## Texas well grid 18-31

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Fannin County](/county/fannin.md). **104** reports, median depth **20 ft**.

### What you will drill through in grid 18-31

*Logged in state well grid 18-31, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Clay** 14 , **Gravel** 14 , **Concrete** 12 , **Dark Gray Clay** 6 , **Tan And Gray Clay** 6 , **Sandy Lean Clay, Some Silt, Tan & Lt. Gray** 3 |
| 25–50 ft | **Blue Shale** 2 , **Shale** 1 , **Tan Silty Clay, Very Stiff, Low Plasticity, Wet** 1 , **Light Brown Clay, Very Stiff, Low Plasticity, Dry** 1 , **Light Brown Clay, Very Stiff, Low Plasticity, Wet** 1 , **Brown/Tan Silty Clay With Gray Mottles, Some Gravel, Very St** 1 |
| 50–100 ft | **Gray Rock** 1 , **Tight Sand & Lig** 1 , **Blue & Gray Shale** 1 |
| 100–200 ft | **Gravel** 1 , **Black Shale** 1 |
| 200–300 ft | **Sand** 2 , **Black Shale And Sand Streaks** 1 , **Black Shale** 1 , **Sand And Shale** 1 , **Gray** 1 , **Gray Shale** 1 |
| 300–500 ft | **Shale** 1 , **Dry Sand** 1 , **Black Shale And Rock** 1 , **Bule Shale** 1 |

### Who drills here

*Licensed firms in state well grid 18-31, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [MagnaCore Drilling & Environmental Services](/driller/magnacore-drilling-environmental-services.md) | 40 | 15 | — | 2006–2016 |
| [Roddy Qualls Environmental Drilling](/driller/roddy-qualls-environmental-drilling.md) | 15 | 35 | — | 2016–2022 |
| [RIOMAR ENVIRONMENTAL DRILLING](/driller/riomar-environmental-drilling.md) | 7 | 16 | — | 2011–2012 |
| [Total Support Services](/driller/total-support-services.md) | 6 | 20 | — | 2005 |
| [BEST DRILLING SERVICES, INC.](/driller/best-drilling-services-inc.md) | 5 | 35 | — | 2021 |
| [Environmental Logistics Company, LLC](/driller/environmental-logistics-company-llc.md) | 4 | 30 | — | 2023–2024 |
| [Texplor](/driller/texplor.md) | 4 | 25 | — | 2005 |
| [Envirotech Drilling Services LLC](/driller/envirotech-drilling-services-llc.md) | 3 | 35 | — | 2024 |
| [Texplor of Dallas, Inc.](/driller/texplor-of-dallas-inc.md) | 3 | 34 | — | 2019 |
| [Miller Drilling Co.](/driller/miller-drilling-co.md) | 2 | 327 | 15 | 2008–2015 |
| [Sunbelt Industrial Services](/driller/sunbelt-industrial-services.md) | 2 | 55 | — | 2009 |
| [Geoprojects International, Inc.](/driller/geoprojects-international-inc.md) | 2 | 28 | — | 2002 |
| THE MCAFEE COMPANY | 1 | 370 | 17 | 2024 |
| [Savage Excavation](/driller/savage-excavation.md) | 1 | 30 | — | 2024 |
| [FAULKNER & SON](/driller/faulkner-son.md) | 1 | 605 | — | 2021 |
| [Bassett Drilling](/driller/bassett-drilling.md) | 1 | 350 | 14 | 2017 |
| [Earth Tech](/driller/earth-tech.md) | 1 | 250 | — | 2015 |
| Sunbelt Industrial Service | 1 | 5 | — | 2014 |
| [Johnson Drilling, Inc.](/driller/johnson-drilling-inc.md) | 1 | — | — | 2013 |
| [Powell Drilling Services, Inc.](/driller/powell-drilling-services-inc.md) | 1 | — | 550 | 2011 |
| Geothermal Advantage | 1 | 200 | — | 2011 |
| [SCI](/driller/sci.md) | 1 | 30 | — | 2006 |
| [dba Universal Drilling Services](/driller/dba-universal-drilling-services.md) | 1 | 25 | — | 2003 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Monitor | 45 | 43.3% | 28 |
| Environmental Soil Boring | 40 | 38.5% | 13 |
| Test Well | 8 | 7.7% | 35 |
| Domestic | 4 | 3.8% | 350 |
| Other | 3 | 2.9% | 34 |
| Closed-Loop Geothermal | 3 | 2.9% | 250 |
| Public Supply | 1 | 1.0% | — |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 18 | 25 | 21 |
| 2010s | 58 | 15 | 0 |
| 2020s | 28 | 35 | 140 |

### The deepest reports on file

*Deepest reports in state well grid 18-31. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 573109 | 2021 | 605 | — | — | Test Well |
| 685571 | 2024 | 370 | 140 | 17 | Domestic |
| 467752 | 2017 | 350 | 80 | 14 | Domestic |
| 406504 | 2015 | 327 | — | — | Domestic |
| 405701 | 2015 | 250 | — | — | Closed-Loop Geothermal |
| 270599 | 2011 | 200 | — | — | Closed-Loop Geothermal |
| 189480 | 2009 | 55 | — | — | Monitor |
| 252693 | 2011 | 50 | — | — | Monitor |
| 525815 | 2019 | 44 | 0 | — | Other |
| 622778 | 2022 | 40 | — | — | Test Well |

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 18-31?

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 [Fannin County](/county/fannin.md).

### Grids with a comparable number of reports

- [24-44](/area/24-44.md)
- [27-52](/area/27-52.md)
- [33-33](/area/33-33.md)
- [38-60](/area/38-60.md)
- [46-46](/area/46-46.md)
- [62-51](/area/62-51.md)
- [84-30](/area/84-30.md)
- [21-33](/area/21-33.md)
- [30-25](/area/30-25.md)
- [32-56](/area/32-56.md)
- [37-34](/area/37-34.md)
- [37-46](/area/37-46.md)
- [38-20](/area/38-20.md)

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Página: https://texas-water-wells.pages.dev/area/18-31/
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