# Well grid 18-42, Texas — Collin, Denton — how deep, and through what

> 230 well reports in Texas state well grid 18-42, covering Collin, Denton, Grayson. Median depth 685 ft.

## Texas well grid 18-42

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Collin County](/county/collin.md) and [Denton County](/county/denton.md). **230** reports, median depth **685 ft**.

### What you will drill through in grid 18-42

*Logged in state well grid 18-42, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Gray Shale** 53 , **Topsoil** 48 , **Yellow Clay** 46 , **Black Topsoil** 29 , **Top Soil** 13 , **Shale** 11 |
| 25–50 ft | **Gray Shale** 28 , **Shale** 3 , **Black Shale** 2 , **Clay** 2 , **Blue Shale** 2 , **Rotten Gray Shale/ Sandy** 1 |
| 50–100 ft | **Gray Shale** 44 , **Shale** 3 , **Black Shale** 2 , **Shale And Clay** 2 , **Gray Shale/Black Shale** 1 , **Black Shale/Tan Clay** 1 |
| 100–200 ft | **Gray Shale** 4 , **Shale** 3 , **Sand** 3 , **Sandy Gray Shale** 1 , **Black Clay** 1 , **Blueshale Pinkshale** 1 |
| 200–300 ft | **Sand** 18 , **Gray Shale** 13 , **Shale** 3 , **Sandy Shale** 3 , **Rock** 2 , **Sand And Shale** 1 |
| 300–500 ft | **Sand** 46 , **Gray Shale** 21 , **Sandy Shale** 13 , **Shale** 8 , **Gray Shale/Sand** 6 , **Sandy Gray Shale** 4 |
| 500–1000 ft | **Sand** 93 , **Gray Shale** 62 , **Shale** 40 , **Sand And Shale** 9 , **Sandy Shale** 11 , **Gray Shale/Sand** 11 |
| 1000–5000 ft | **Sand** 11 , **Gray Shale** 9 , **Tan Limestone** 6 , **Sand Shale Sequence** 5 , **Lime** 2 , **Lime Shale** 1 |

### Who drills here

*Licensed firms in state well grid 18-42, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Earth Tech](/driller/earth-tech.md) | 54 | 840 | 25 | 2004–2014 |
| [Double D Drilling](/driller/double-d-drilling.md) | 35 | 840 | 25 | 2010–2026 |
| [Barco Well Service, LP](/driller/barco-well-service-lp.md) | 19 | 860 | 38 | 2015–2025 |
| [A.L. Moser Drilling, Inc.](/driller/a-l-moser-drilling-inc.md) | 11 | 980 | 10 | 2004–2010 |
| [Strittmatter Irrigation](/driller/strittmatter-irrigation.md) | 9 | 640 | 22 | 2003–2015 |
| [MagnaCore Drilling & Environmental Services](/driller/magnacore-drilling-environmental-services.md) | 9 | 18 | — | 2011–2016 |
| [THI WATER WELL](/driller/thi-water-well.md) | 7 | 1,320 | 937 | 2022–2026 |
| [WEST Drilling](/driller/west-drilling.md) | 7 | 20 | — | 2017 |
| Ground to Sprinkler | 7 | 800 | 22 | 2006–2007 |
| [Lonestar Underground](/driller/lonestar-underground.md) | 7 | 780 | 25 | 2003–2006 |
| [Cascade Drilling](/driller/cascade-drilling.md) | 6 | 15 | — | 2026 |
| [BETTS ENVIRONMENTAL RECOVERY, INC.](/driller/betts-environmental-recovery-inc.md) | 6 | 18 | — | 2024 |
| [Environmental Logistics Company, LLC](/driller/environmental-logistics-company-llc.md) | 6 | 24 | — | 2021 |
| [SEA-LITE DRILLING CO](/driller/sea-lite-drilling-co.md) | 6 | 390 | 20 | 2002–2003 |
| [Sunbelt Industrial Services](/driller/sunbelt-industrial-services.md) | 5 | 20 | — | 2019 |
| [Roddy Qualls Environmental Drilling](/driller/roddy-qualls-environmental-drilling.md) | 5 | 20 | — | 2017 |
| [Eagle Remediation](/driller/eagle-remediation.md) | 4 | 20 | — | 2022–2023 |
| [Next-Gen Solutions, Inc.](/driller/next-gen-solutions-inc.md) | 4 | 20 | — | 2017–2018 |
| Aqua Source | 4 | 800 | 30 | 2006 |
| [Erwin Water Well Drilling](/driller/erwin-water-well-drilling.md) | 3 | 480 | 30 | 2017–2020 |
| DD Drilling Inc. | 2 | 760 | 60 | 2008–2009 |
| [Action Water Wells Trust](/driller/action-water-wells-trust.md) | 1 | 1,750 | 70 | 2024 |
| [Erwin Drilling](/driller/erwin-drilling.md) | 1 | 800 | — | 2023 |
| [AFFORDABLE WATER WELL](/driller/affordable-water-well.md) | 1 | 525 | 20 | 2015 |
| Andrus Drilling Company | 1 | — | 12 | 2013 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Irrigation | 102 | 44.3% | 840 |
| Domestic | 42 | 18.3% | 500 |
| Monitor | 32 | 13.9% | 20 |
| Stock | 28 | 12.2% | 895 |
| Environmental Soil Boring | 11 | 4.8% | 20 |
| Test Well | 9 | 3.9% | 18 |
| Industrial | 2 | 0.9% | 800 |
| Public Supply | 2 | 0.9% | 2,350 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 86 | 810 | 450 |
| 2010s | 95 | 553 | 450 |
| 2020s | 49 | 525 | 540 |

### The deepest reports on file

*Deepest reports in state well grid 18-42. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 715624 | 2025 | 2,400 | 850 | 180 | Irrigation |
| 349893 | 2013 | 2,350 | 881 | 430 | Public Supply |
| 723795 | 2026 | 2,340 | 1,070 | 335 | Stock |
| 635297 | 2022 | 2,000 | 742 | 937 | Public Supply |
| 702958 | 2025 | 1,900 | 645 | 400 | Stock |
| 689332 | 2024 | 1,750 | 650 | 70 | Domestic |
| 456734 | 2017 | 1,610 | 686 | 220 | Stock |
| 459597 | 2016 | 1,600 | — | 225 | Stock |
| 459596 | 2016 | 1,600 | 695 | 215 | Stock |
| 310546 | 2012 | 1,600 | 660 | 240 | Stock |

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 18-42?

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 [Collin County](/county/collin.md), [Denton County](/county/denton.md), [Grayson County](/county/grayson.md).

### Grids with a comparable number of reports

- [58-46](/area/58-46.md)
- [10-38](/area/10-38.md)
- [19-31](/area/19-31.md)
- [32-48](/area/32-48.md)
- [34-31](/area/34-31.md)
- [79-14](/area/79-14.md)
- [03-50](/area/03-50.md)
- [57-34](/area/57-34.md)
- [77-59](/area/77-59.md)
- [32-25](/area/32-25.md)
- [59-58](/area/59-58.md)
- [65-57](/area/65-57.md)
- [68-54](/area/68-54.md)

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Página: https://texas-water-wells.pages.dev/area/18-42/
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