# Well grid 18-52, Texas — Collin — how deep, and through what

> 446 well reports in Texas state well grid 18-52, covering Collin. Median depth 22 ft.

## Texas well grid 18-52

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Collin County](/county/collin.md). **446** reports, median depth **22 ft**.

### What you will drill through in grid 18-52

*Logged in state well grid 18-52, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Dark Brown Clay** 32 , **Tan Clay** 25 , **Brown Clay** 22 , **Black Clay** 21 , **Concrete** 19 , **Light Brown Silty Clay** 16 |
| 25–50 ft | **Austin Chalk** 10 , **Tan Sandy Clay** 5 , **Gray Limestone** 5 , **Hard, Gray, Limestone, Moist** 4 , **Dark Gray Shaley Clay** 3 , **Gray Shale** 3 |
| 50–100 ft | **Gray Shale & Limestone** 1 , **Limestone W Shale Seams** 1 , **Gray Shale & Lime Streaks** 1 , **Shale & Limestone** 1 , **Crm Limestone Chalk** 1 |
| 100–200 ft | **Gray Shale W/ Sand Strks** 1 , **Limestone & Shale** 1 |
| 200–300 ft | **Shale & Limestone Strks** 1 , **Grey Shale** 1 , **Rock** 1 , **Shale And Some Sand** 1 , **Limestone** 1 |
| 300–500 ft | **Gray Shale** 2 , **Gray Shale W/ Small Sand & Limestone Strks** 1 , **Gray Shale/Sand** 1 , **Grey Shale** 1 , **Limestone & Shale Strks** 1 , **Eagleford Shale** 1 |
| 500–1000 ft | **Gray Shale** 6 , **Sand** 3 , **Shale** 2 , **Grey Shale** 2 , **Rock** 2 , **Rock & Shale** 1 |
| 1000–5000 ft | **Sand** 12 , **Shale** 10 , **Gray Shale** 6 , **Sandy Shale** 3 , **Sandy Gray Shale** 1 , **Sand/Gray Shale** 2 |

### Who drills here

*Licensed firms in state well grid 18-52, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [WEST Drilling](/driller/west-drilling.md) | 88 | 10 | — | 2015–2025 |
| [Environmental Logistics Company, LLC](/driller/environmental-logistics-company-llc.md) | 67 | 14 | — | 2016–2025 |
| [Sunbelt Industrial Services](/driller/sunbelt-industrial-services.md) | 29 | 25 | — | 2008–2026 |
| [Roddy Qualls Environmental Drilling](/driller/roddy-qualls-environmental-drilling.md) | 23 | 20 | — | 2014–2022 |
| [MagnaCore Drilling & Environmental Services](/driller/magnacore-drilling-environmental-services.md) | 22 | 20 | — | 2004–2016 |
| [Strata Core Services, LLC](/driller/strata-core-services-llc.md) | 18 | 18 | — | 2011–2020 |
| [SCI](/driller/sci.md) | 16 | 20 | — | 2004–2013 |
| [W.E.S.T. Drilling](/driller/w-e-s-t-drilling.md) | 15 | 20 | — | 2001–2013 |
| [Dierks Drilling Co.](/driller/dierks-drilling-co.md) | 14 | 62 | 2 | 2001–2014 |
| [Total Support Services](/driller/total-support-services.md) | 14 | 30 | — | 2001–2012 |
| [dba Universal Drilling Services](/driller/dba-universal-drilling-services.md) | 12 | 30 | — | 2003 |
| [Eagle Remediation](/driller/eagle-remediation.md) | 10 | 20 | — | 2021–2024 |
| [C&S Lease](/driller/c-s-lease.md) | 9 | 50 | — | 2025 |
| [Savage Excavation](/driller/savage-excavation.md) | 9 | 35 | — | 2025 |
| [qualls drilling](/driller/qualls-drilling.md) | 8 | 32 | — | 2013 |
| [Strata Core Drilling Co.](/driller/strata-core-drilling-co.md) | 8 | 45 | — | 2009 |
| [Groundwater Monitoring Inc.](/driller/groundwater-monitoring-inc.md) | 8 | 24 | — | 2005–2006 |
| [Reed Engineering Group, Ltd.](/driller/reed-engineering-group-ltd.md) | 6 | 24 | — | 2004 |
| [Kleinfelder](/driller/kleinfelder.md) | 6 | 20 | — | 2004 |
| [White Drilling Company, Inc.](/driller/white-drilling-company-inc.md) | 5 | 34 | — | 2018 |
| [GM Enterprises](/driller/gm-enterprises.md) | 5 | 20 | — | 2002 |
| [Pacific West Environmental and Infrastructure](/driller/pacific-west-environmental-and-infrastructure.md) | 4 | 30 | — | 2025 |
| [Johnson Drilling, Inc.](/driller/johnson-drilling-inc.md) | 4 | 300 | — | 2003–2019 |
| [BEST DRILLING SERVICES, INC.](/driller/best-drilling-services-inc.md) | 4 | 24 | — | 2018 |
| [Earth Tech](/driller/earth-tech.md) | 4 | 1,410 | 25 | 2004–2006 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Monitor | 243 | 54.5% | 25 |
| Environmental Soil Boring | 145 | 32.5% | 8 |
| Irrigation | 20 | 4.5% | 80 |
| Other | 14 | 3.1% | 50 |
| Domestic | 8 | 1.8% | 1,320 |
| Closed-Loop Geothermal | 5 | 1.1% | 300 |
| Test Well | 4 | 0.9% | 58 |
| Stock | 3 | 0.7% | 1,410 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 105 | 24 | 14 |
| 2010s | 170 | 23 | 24 |
| 2020s | 171 | 20 | 18 |

### The deepest reports on file

*Deepest reports in state well grid 18-52. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 201416 | 2005 | 1,787 | 4,444 | 360 | Public Supply |
| 560399 | 2020 | 1,710 | 700 | 250 | Irrigation |
| 95342 | 2006 | 1,580 | 350 | 25 | Stock |
| 121842 | 2007 | 1,560 | — | 20 | Domestic |
| 341858 | 2013 | 1,545 | 550 | 10 | Irrigation |
| 401976 | 2015 | 1,530 | 575 | 180 | Irrigation |
| 519912 | 2019 | 1,510 | 500 | 10 | Domestic |
| 574657 | 2021 | 1,500 | 508 | 196 | Other |
| 304889 | 2012 | 1,420 | 506 | 298 | Industrial |
| 233903 | 2006 | 1,420 | 470 | 260 | Industrial |

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 18-52?

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).

### Grids with a comparable number of reports

- [84-16](/area/84-16.md)
- [18-49](/area/18-49.md)
- [19-54](/area/19-54.md)
- [35-59](/area/35-59.md)
- [66-17](/area/66-17.md)
- [44-02](/area/44-02.md)
- [65-45](/area/65-45.md)
- [24-55](/area/24-55.md)
- [24-24](/area/24-24.md)
- [60-29](/area/60-29.md)
- [65-33](/area/65-33.md)
- [67-47](/area/67-47.md)
- [69-08](/area/69-08.md)

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Página: https://texas-water-wells.pages.dev/area/18-52/
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