# Well grid 33-03, Texas — Dallas, Collin — how deep, and through what

> 1,787 well reports in Texas state well grid 33-03, covering Dallas, Collin. Median depth 15 ft.

## Texas well grid 33-03

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Dallas County](/county/dallas.md) and [Collin County](/county/collin.md). **1,787** reports, median depth **15 ft**.

### What you will drill through in grid 33-03

*Logged in state well grid 33-03, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Concrete** 248 , **Gray Limestone** 156 , **Tan Limestone** 139 , **Brown Clay** 128 , **Limestone** 91 , **Tan Weathered Limestone** 84 |
| 25–50 ft | **Gray Limestone** 15 , **Tan Clay** 11 , **Gray Shale** 6 , **Gr Ls** 6 , **Gray, Unweathered Limestone** 5 , **Limestone** 5 |
| 100–200 ft | **Gray Shale** 1 , **Black Shale** 1 |
| 200–300 ft | **Black Shale/Lime** 1 , **White And Gray Shale** 1 |
| 300–500 ft | **Black Shale** 1 , **Hard Black Sand, Limestone** 1 , **Dark Gray And Black Shale** 1 , **Black Gray Shale** 1 |
| 500–1000 ft | **Sand/Shale** 1 , **Sand/Sand Stone** 1 , **Sand** 1 , **Gray White Shale, Sandy Shale** 1 , **Blue White Gray Sandy Clay, Sandstone, Sand** 1 , **Blue White Sandy Clay** 1 |
| 1000–5000 ft | **Sand/Blue Shale/ Black Shale** 1 , **Purple Shale/Black Shale** 1 , **Withe Powder Sand, Sandy Clay, Streaks Of Sandstone** 1 , **Red Gray Clay** 1 , **Sandstone, White Sandy Clay** 1 , **Gray Blue White Sandy Clay, Clay** 1 |

### Who drills here

*Licensed firms in state well grid 33-03, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [WEST Drilling](/driller/west-drilling.md) | 214 | 15 | — | 2014–2024 |
| [MagnaCore Drilling & Environmental Services](/driller/magnacore-drilling-environmental-services.md) | 194 | 8 | — | 2002–2016 |
| [Environmental Logistics Company, LLC](/driller/environmental-logistics-company-llc.md) | 155 | 10 | — | 2017–2026 |
| [W.E.S.T. Drilling](/driller/w-e-s-t-drilling.md) | 147 | 18 | — | 2001–2015 |
| [Sunbelt Industrial Services](/driller/sunbelt-industrial-services.md) | 107 | 20 | — | 2006–2026 |
| [Roddy Qualls Environmental Drilling](/driller/roddy-qualls-environmental-drilling.md) | 99 | 19 | — | 2013–2023 |
| [Strata Core Drilling Co.](/driller/strata-core-drilling-co.md) | 94 | 22 | — | 2008–2011 |
| [Strata Core Services, LLC](/driller/strata-core-services-llc.md) | 85 | 20 | — | 2011–2018 |
| [Groundwater Monitoring Inc.](/driller/groundwater-monitoring-inc.md) | 83 | 20 | — | 2004–2008 |
| [SCI](/driller/sci.md) | 74 | 18 | — | 2004–2013 |
| [DIXIE DRILLING](/driller/dixie-drilling.md) | 57 | 17 | — | 2002–2005 |
| [Total Support Services](/driller/total-support-services.md) | 51 | 15 | — | 2001–2018 |
| [GM Enterprises](/driller/gm-enterprises.md) | 35 | — | — | 2002–2003 |
| [Envirotech Drilling Services LLC](/driller/envirotech-drilling-services-llc.md) | 33 | 20 | — | 2023–2026 |
| [RIOMAR DRILLING INC](/driller/riomar-drilling-inc.md) | 29 | 16 | — | 2012–2017 |
| [BETTS ENVIRONMENTAL RECOVERY, INC.](/driller/betts-environmental-recovery-inc.md) | 20 | 20 | — | 2024–2025 |
| [Eagle Remediation](/driller/eagle-remediation.md) | 20 | 10 | — | 2020–2023 |
| [Savage Excavation](/driller/savage-excavation.md) | 18 | 18 | — | 2025–2026 |
| gedco drilling | 15 | 15 | — | 2010–2011 |
| [CM2, Inc.](/driller/cm2-inc.md) | 15 | 11 | — | 2001–2004 |
| [Precision Probe and Drilling](/driller/precision-probe-and-drilling.md) | 14 | 25 | — | 2004 |
| [Associated Environmental Industries, Corp.](/driller/associated-environmental-industries-corp.md) | 13 | 30 | — | 2016 |
| [Subterra Environmental Services, LLC.](/driller/subterra-environmental-services-llc.md) | 12 | 15 | — | 2017–2019 |
| [Texplor of Dallas, Inc.](/driller/texplor-of-dallas-inc.md) | 12 | 15 | — | 2006–2015 |
| [Wel-Mat Drilling LLP](/driller/wel-mat-drilling-llp.md) | 11 | — | — | 2004–2006 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Monitor | 1,007 | 56.4% | 20 |
| Environmental Soil Boring | 698 | 39.1% | 10 |
| Injection | 33 | 1.8% | 31 |
| Test Well | 31 | 1.7% | 20 |
| Other | 8 | 0.4% | 35 |
| Closed-Loop Geothermal | 5 | 0.3% | 300 |
| Extraction | 2 | 0.1% | 7 |
| Domestic | 2 | 0.1% | 1,190 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 725 | 15 | 12 |
| 2010s | 670 | 15 | 11 |
| 2020s | 392 | 15 | 14 |

### The deepest reports on file

*Deepest reports in state well grid 33-03. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 167627 | 2007 | 1,190 | 290 | 18 | Domestic |
| 550498 | 2020 | 1,040 | 737 | 38 | Irrigation |
| 318874 | 2012 | 300 | — | — | Closed-Loop Geothermal |
| 445851 | 2017 | 60 | — | — | Monitor |
| 126097 | 2007 | 55 | — | — | Environmental Soil Boring |
| 575877 | 2021 | 50 | — | — | Monitor |
| 314436 | 2013 | 50 | — | — | Environmental Soil Boring |
| 126098 | 2007 | 50 | — | — | Environmental Soil Boring |
| 126086 | 2007 | 50 | — | — | Environmental Soil Boring |
| 34214 | 2004 | 50 | — | — | Monitor |

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 33-03?

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

### Grids with a comparable number of reports

- [32-22](/area/32-22.md)
- [65-29](/area/65-29.md)
- [33-01](/area/33-01.md)
- [32-19](/area/32-19.md)
- [33-02](/area/33-02.md)
- [45-12](/area/45-12.md)
- [65-06](/area/65-06.md)
- [65-12](/area/65-12.md)
- [45-05](/area/45-05.md)
- [58-42](/area/58-42.md)
- [65-20](/area/65-20.md)
- [33-18](/area/33-18.md)
- [23-25](/area/23-25.md)

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Página: https://texas-water-wells.pages.dev/area/33-03/
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