# Well grid 18-59, Texas — Collin, Dallas — how deep, and through what

> 951 well reports in Texas state well grid 18-59, covering Collin, Dallas. Median depth 15 ft.

## Texas well grid 18-59

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Collin County](/county/collin.md) and [Dallas County](/county/dallas.md). **951** reports, median depth **15 ft**.

### What you will drill through in grid 18-59

*Logged in state well grid 18-59, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Concrete** 214 , **Tan Limestone** 100 , **Gray Limestone** 92 , **Tan Weathered Limestone** 91 , **Brown Silty Clay** 58 , **Brown Clay** 51 |
| 25–50 ft | **Gray Shale** 4 , **Limestone** 3 , **Grey Shale** 2 , **Shale** 1 , **Gray Shale And Lime** 1 , **Rock** 1 |
| 50–100 ft | **Gray Shale And Lime** 1 , **Shale And Lime Streaks** 1 , **Sand And Shale Streaks** 1 , **Gray Shale** 1 , **Gray Shale Lime Streaks** 1 |
| 100–200 ft | **Gray Shale** 2 , **Rock/Gray Shale** 1 |
| 200–300 ft | **Gray Shale** 2 , **Lime With Shale Streaks** 1 , **Gray Shale/Rock** 1 |
| 300–500 ft | **Gray Shale** 4 , **Gray Shale With Lime Streaks** 1 , **Gray Shale/Lime** 1 , **Lime** 1 , **Sandy Gray Shale** 1 , **Shale** 1 |
| 500–1000 ft | **Sand** 6 , **Gray Shale** 8 , **Gray/Brown Shale** 2 , **Black Shale With Lime Streaks** 1 , **Chalky Gray Shale With Few Lime Streaks** 1 , **Gray Brown Shale** 1 |
| 1000–5000 ft | **Sand** 9 , **Gray Shale** 7 , **Sandy Shale** 4 , **Shale** 3 , **Sandy Gray Shale** 3 , **Sand/Gray Shale** 3 |

### Who drills here

*Licensed firms in state well grid 18-59, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [MagnaCore Drilling & Environmental Services](/driller/magnacore-drilling-environmental-services.md) | 115 | 8 | — | 2002–2016 |
| [Sunbelt Industrial Services](/driller/sunbelt-industrial-services.md) | 86 | 15 | — | 2007–2025 |
| [DIXIE DRILLING](/driller/dixie-drilling.md) | 63 | 12 | — | 2002–2005 |
| [Groundwater Monitoring Inc.](/driller/groundwater-monitoring-inc.md) | 61 | 18 | — | 2004–2008 |
| [Environmental Logistics Company, LLC](/driller/environmental-logistics-company-llc.md) | 56 | 11 | — | 2016–2026 |
| [W.E.S.T. Drilling](/driller/w-e-s-t-drilling.md) | 55 | 20 | — | 2001–2015 |
| [Roddy Qualls Environmental Drilling](/driller/roddy-qualls-environmental-drilling.md) | 54 | 23 | — | 2016–2022 |
| [Total Support Services](/driller/total-support-services.md) | 51 | 20 | — | 2001–2012 |
| [WEST Drilling](/driller/west-drilling.md) | 47 | 15 | — | 2015–2025 |
| [Strata Core Services, LLC](/driller/strata-core-services-llc.md) | 34 | 20 | — | 2011–2018 |
| [Envirotech Drilling Services LLC](/driller/envirotech-drilling-services-llc.md) | 32 | 15 | — | 2016–2021 |
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 32 | 17 | — | 2013 |
| [Vortex Drilling Partners, LP](/driller/vortex-drilling-partners-lp.md) | 21 | 7 | — | 2019–2020 |
| [Texplor of Dallas, Inc.](/driller/texplor-of-dallas-inc.md) | 21 | 16 | — | 2006–2019 |
| [SCI](/driller/sci.md) | 18 | 20 | — | 2004–2013 |
| [Savage Excavation](/driller/savage-excavation.md) | 15 | 20 | — | 2024–2025 |
| [Earth Tech](/driller/earth-tech.md) | 15 | 250 | 45 | 2004–2020 |
| [BEST DRILLING SERVICES, INC.](/driller/best-drilling-services-inc.md) | 15 | 13 | — | 2005–2008 |
| [Cascade Technical Services](/driller/cascade-technical-services.md) | 13 | 15 | — | 2017 |
| [Wel-Mat Drilling LLP](/driller/wel-mat-drilling-llp.md) | 11 | 20 | — | 2013–2015 |
| [RIOMAR DRILLING INC](/driller/riomar-drilling-inc.md) | 10 | 20 | — | 2014–2016 |
| [Michael Tolle](/driller/michael-tolle.md) | 9 | 400 | — | 2018–2026 |
| [Eagle Remediation](/driller/eagle-remediation.md) | 9 | 10 | — | 2020–2023 |
| [qualls drilling](/driller/qualls-drilling.md) | 8 | 19 | — | 2013–2014 |
| [RQ Drilling](/driller/rq-drilling.md) | 7 | 15 | — | 2018 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Monitor | 461 | 48.5% | 20 |
| Environmental Soil Boring | 399 | 42.0% | 10 |
| Closed-Loop Geothermal | 23 | 2.4% | 300 |
| Other | 21 | 2.2% | 15 |
| Irrigation | 14 | 1.5% | 1,250 |
| Injection | 13 | 1.4% | 15 |
| Domestic | 9 | 0.9% | 1,450 |
| Stock | 7 | 0.7% | 1,300 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 331 | 15 | 430 |
| 2010s | 445 | 15 | 18 |
| 2020s | 175 | 18 | 400 |

### The deepest reports on file

*Deepest reports in state well grid 18-59. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 100617 | 2006 | 2,350 | 567 | 145 | Stock |
| 395113 | 2015 | 2,200 | — | — | Stock |
| 334124 | 2013 | 1,720 | 500 | 10 | Irrigation |
| 668669 | 2024 | 1,560 | 400 | 10 | Domestic |
| 543850 | 2020 | 1,540 | 1,200 | 17 | Irrigation |
| 413089 | 2015 | 1,537 | 500 | 10 | Other |
| 709563 | 2025 | 1,516 | 400 | 10 | Domestic |
| 716559 | 2026 | 1,500 | 380 | — | Domestic |
| 558725 | 2020 | 1,500 | 709 | 17 | Domestic |
| 422291 | 2016 | 1,500 | 510 | 22 | 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 18-59?

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), [Dallas County](/county/dallas.md).

### Grids with a comparable number of reports

- [45-22](/area/45-22.md)
- [68-35](/area/68-35.md)
- [68-30](/area/68-30.md)
- [65-59](/area/65-59.md)
- [60-43](/area/60-43.md)
- [60-61](/area/60-61.md)
- [60-44](/area/60-44.md)
- [32-11](/area/32-11.md)
- [44-01](/area/44-01.md)
- [60-58](/area/60-58.md)
- [28-58](/area/28-58.md)
- [33-19](/area/33-19.md)
- [28-44](/area/28-44.md)

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Página: https://texas-water-wells.pages.dev/area/18-59/
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