# Well grid 33-01, Texas — Dallas, Denton — how deep, and through what

> 1,953 well reports in Texas state well grid 33-01, covering Dallas, Denton, Collin. Median depth 20 ft.

## Texas well grid 33-01

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Dallas County](/county/dallas.md) and [Denton County](/county/denton.md). **1,953** reports, median depth **20 ft**.

### What you will drill through in grid 33-01

*Logged in state well grid 33-01, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Concrete** 203 , **Gray Shale** 163 , **Brown Clay** 105 , **Tan Sand** 90 , **Tan Clay** 81 , **Dark Brown Clay** 82 |
| 25–50 ft | **Gray Shale** 18 , **Grey Silty Shaley Clay** 13 , **Grey Silty Shaley Calcitic Clay** 13 , **Greenish Grey Clay** 13 , **Grey Shale** 12 , **Sand** 9 |
| 50–100 ft | **Gray Shale** 4 , **Gravely Sand** 3 , **Limestone** 3 , **Blue Shale** 2 , **Brown Clay** 1 , **Lime** 1 |
| 100–200 ft | **Water Sands** 3 , **Sand** 3 , **Gray Shale** 2 , **Shale** 2 , **Very Hard Hardcap** 2 , **Moist Sandy Shale** 2 |
| 200–300 ft | **Gray Shale** 3 , **Sand** 2 , **Blue Shale** 2 , **Gray Shale/Sand** 1 , **Hard Sand** 1 , **Sand & Shale** 1 |
| 300–500 ft | **Sand** 4 , **Gray Shale** 2 , **Gray Shale/Limestone** 2 , **Tan Sandstone** 2 , **Shale** 1 , **Sandy Gray Shale** 1 |
| 500–1000 ft | **Sand And Blue Shell** 1 , **Sand** 2 , **Limestone** 1 , **Limestone/Gray Shale** 1 , **Sandy Gray Shale** 1 , **Sand/Gray Shale** 1 |
| 1000–5000 ft | **Sandy Gray Shale** 1 , **Sand/Green Shale** 1 , **Sandy Green Shale/Gray Shale** 1 , **Gray Shale W/ Limestone Streaks** 1 , **Gray Shale/Sand** 1 , **Sand** 1 |

### Who drills here

*Licensed firms in state well grid 33-01, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [MagnaCore Drilling & Environmental Services](/driller/magnacore-drilling-environmental-services.md) | 322 | 16 | — | 2002–2016 |
| [WEST Drilling](/driller/west-drilling.md) | 256 | 20 | — | 2015–2025 |
| [Sunbelt Industrial Services](/driller/sunbelt-industrial-services.md) | 198 | 20 | — | 2007–2026 |
| [Environmental Logistics Company, LLC](/driller/environmental-logistics-company-llc.md) | 119 | 20 | — | 2017–2026 |
| [W.E.S.T. Drilling](/driller/w-e-s-t-drilling.md) | 119 | 20 | — | 2001–2014 |
| [Total Support Services](/driller/total-support-services.md) | 102 | 20 | — | 2001–2018 |
| [Roddy Qualls Environmental Drilling](/driller/roddy-qualls-environmental-drilling.md) | 93 | 20 | — | 2013–2022 |
| [Groundwater Monitoring Inc.](/driller/groundwater-monitoring-inc.md) | 92 | 16 | — | 2004–2008 |
| [Strata Core Services, LLC](/driller/strata-core-services-llc.md) | 76 | 22 | — | 2011–2017 |
| [SCI](/driller/sci.md) | 64 | 24 | — | 2003–2014 |
| [DIXIE DRILLING](/driller/dixie-drilling.md) | 44 | 20 | — | 2003–2005 |
| [RIOMAR DRILLING INC](/driller/riomar-drilling-inc.md) | 31 | 19 | — | 2013–2020 |
| [Subterra Environmental Services, LLC.](/driller/subterra-environmental-services-llc.md) | 27 | 20 | — | 2017–2022 |
| [BEST DRILLING SERVICES, INC.](/driller/best-drilling-services-inc.md) | 24 | 25 | — | 2005–2007 |
| [Strata Core Drilling Co.](/driller/strata-core-drilling-co.md) | 23 | 5 | — | 2008–2010 |
| [Savage Excavation](/driller/savage-excavation.md) | 22 | 15 | — | 2024–2026 |
| [Texplor of Dallas, Inc.](/driller/texplor-of-dallas-inc.md) | 22 | 35 | — | 2006–2019 |
| [CM2, Inc.](/driller/cm2-inc.md) | 21 | 25 | — | 2001–2004 |
| [Wel-Mat Drilling LLP](/driller/wel-mat-drilling-llp.md) | 20 | 25 | — | 2002–2016 |
| [qualls drilling](/driller/qualls-drilling.md) | 19 | 25 | — | 2013–2015 |
| [RIOMAR ENVIRONMENTAL DRILLING](/driller/riomar-environmental-drilling.md) | 19 | 20 | — | 2010–2012 |
| [ESN-South](/driller/esn-south.md) | 19 | 22 | — | 2005–2009 |
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 16 | 35 | — | 2008–2011 |
| [Eagle Remediation](/driller/eagle-remediation.md) | 15 | 25 | — | 2020–2023 |
| [Envirotech Drilling Services LLC](/driller/envirotech-drilling-services-llc.md) | 14 | 15 | — | 2024–2026 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Monitor | 1,251 | 64.1% | 20 |
| Environmental Soil Boring | 589 | 30.2% | 15 |
| Test Well | 34 | 1.7% | 19 |
| Injection | 31 | 1.6% | 18 |
| Other | 23 | 1.2% | 25 |
| Irrigation | 12 | 0.6% | 405 |
| Closed-Loop Geothermal | 6 | 0.3% | 300 |
| Industrial | 4 | 0.2% | 560 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 728 | 20 | 13 |
| 2010s | 857 | 20 | 14 |
| 2020s | 368 | 20 | 11 |

### The deepest reports on file

*Deepest reports in state well grid 33-01. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 407238 | 2015 | 1,338 | 490 | 139 | Irrigation |
| 504566 | 2018 | 1,220 | 676 | 117 | Irrigation |
| 598164 | 2021 | 1,160 | — | — | Irrigation |
| 329110 | 2010 | 800 | 330 | 18 | Domestic |
| 460545 | 2017 | 700 | 220 | 10 | Industrial |
| 222170 | 2010 | 562 | 208 | 27 | Domestic |
| 295896 | 2012 | 560 | 300 | 40 | Industrial |
| 30372 | 2003 | 480 | 20 | 30 | Irrigation |
| 574433 | 2021 | 420 | — | — | Industrial |
| 236430 | 2010 | 405 | 175 | 30 | 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 33-01?

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), [Denton County](/county/denton.md), [Collin County](/county/collin.md), [Fayette County](/county/fayette.md), [Jefferson County](/county/jefferson.md).

### Grids with a comparable number of reports

- [45-14](/area/45-14.md)
- [65-23](/area/65-23.md)
- [45-06](/area/45-06.md)
- [45-07](/area/45-07.md)
- [45-13](/area/45-13.md)
- [32-22](/area/32-22.md)
- [65-29](/area/65-29.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)
- [33-03](/area/33-03.md)
- [65-12](/area/65-12.md)

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Página: https://texas-water-wells.pages.dev/area/33-01/
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