# Well grid 33-20, Texas — Dallas, Grayson — how deep, and through what

> 333 well reports in Texas state well grid 33-20, covering Dallas, Grayson, Kaufman. Median depth 25 ft.

## Texas well grid 33-20

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Dallas County](/county/dallas.md) and [Grayson County](/county/grayson.md). **333** reports, median depth **25 ft**.

### What you will drill through in grid 33-20

*Logged in state well grid 33-20, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Top Soil** 51 , **Tan Clay** 37 , **Sand** 19 , **Brown Clay** 22 , **Gray Clay** 21 , **Concrete** 20 |
| 25–50 ft | **Shale** 35 , **Gravel** 9 , **Blue Shale** 6 , **Grey Shale** 6 , **Dark Gray Shale** 4 , **Grey/Brown Sand** 4 |
| 50–100 ft | **Shale** 8 , **Sand And Fine Gravel** 2 , **Sand And Gravel** 2 , **Grey Shale** 1 , **Sand & Gravel** 1 |
| 100–200 ft | **Shale, Lime** 1 |
| 300–500 ft | **Shale** 1 |
| 500–1000 ft | **Clay** 1 , **Grey Clay** 1 |
| 1000–5000 ft | **Sandy Shale** 1 , **Sand** 1 , **Shale And Sand Streaks** 1 , **Sand, Shale, Clay** 1 |

### Who drills here

*Licensed firms in state well grid 33-20, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [R.L.Wagstaff Co.](/driller/r-l-wagstaff-co.md) | 58 | 41 | 25 | 2001–2026 |
| [WEST Drilling](/driller/west-drilling.md) | 34 | 20 | — | 2015–2023 |
| [Subterra Environmental Services, LLC.](/driller/subterra-environmental-services-llc.md) | 29 | 30 | — | 2018–2020 |
| [MagnaCore Drilling & Environmental Services](/driller/magnacore-drilling-environmental-services.md) | 29 | 20 | — | 2003–2015 |
| [Environmental Logistics Company, LLC](/driller/environmental-logistics-company-llc.md) | 27 | 15 | — | 2019–2023 |
| [W.E.S.T. Drilling](/driller/w-e-s-t-drilling.md) | 27 | 20 | — | 2001–2015 |
| [Roddy Qualls Environmental Drilling](/driller/roddy-qualls-environmental-drilling.md) | 22 | 38 | — | 2014–2022 |
| [Sunbelt Industrial Services](/driller/sunbelt-industrial-services.md) | 14 | 35 | — | 2011–2025 |
| [Groundwater Monitoring Inc.](/driller/groundwater-monitoring-inc.md) | 12 | 20 | — | 2005–2007 |
| [RIOMAR ENVIRONMENTAL DRILLING](/driller/riomar-environmental-drilling.md) | 8 | 24 | — | 2010 |
| [Savage Excavation](/driller/savage-excavation.md) | 7 | 25 | — | 2025 |
| [Total Support Services](/driller/total-support-services.md) | 6 | 20 | — | 2001–2002 |
| [ETTL Engineers & Consultants Inc.](/driller/ettl-engineers-consultants-inc.md) | 5 | 12 | — | 2007–2019 |
| [DIXIE DRILLING](/driller/dixie-drilling.md) | 5 | 20 | — | 2002–2005 |
| [Strata Core Services, LLC](/driller/strata-core-services-llc.md) | 4 | 35 | — | 2011–2012 |
| [Gedco drilling and coring inc](/driller/gedco-drilling-and-coring-inc.md) | 4 | 23 | — | 2005 |
| [CM2, Inc.](/driller/cm2-inc.md) | 4 | 25 | — | 2002 |
| [BETTS ENVIRONMENTAL RECOVERY, INC.](/driller/betts-environmental-recovery-inc.md) | 3 | 25 | — | 2024–2026 |
| [RIOMAR DRILLING INC](/driller/riomar-drilling-inc.md) | 3 | 20 | — | 2019 |
| [qualls drilling](/driller/qualls-drilling.md) | 3 | 30 | — | 2013 |
| [Johnson Drilling, Inc.](/driller/johnson-drilling-inc.md) | 3 | — | — | 2010–2013 |
| alpha testing | 2 | 30 | — | 2015 |
| [SCI](/driller/sci.md) | 2 | 20 | — | 2004–2009 |
| [Next-Gen Solutions, Inc.](/driller/next-gen-solutions-inc.md) | 2 | — | — | 2002 |
| [Hazelett Drilling](/driller/hazelett-drilling.md) | 1 | 1,800 | 250 | 2026 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Monitor | 178 | 53.5% | 25 |
| Environmental Soil Boring | 70 | 21.0% | 15 |
| Domestic | 46 | 13.8% | 37 |
| Irrigation | 19 | 5.7% | 49 |
| Closed-Loop Geothermal | 7 | 2.1% | 300 |
| Industrial | 5 | 1.5% | 31 |
| Test Well | 3 | 0.9% | 25 |
| Other | 3 | 0.9% | 15 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 123 | 24 | 15 |
| 2010s | 105 | 25 | 10 |
| 2020s | 105 | 30 | 18 |

### The deepest reports on file

*Deepest reports in state well grid 33-20. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 722460 | 2026 | 1,800 | 199 | 250 | Industrial |
| 597342 | 2021 | 1,411 | 341 | 17 | Irrigation |
| 241203 | 2010 | 300 | — | — | Closed-Loop Geothermal |
| 281740 | 2012 | 250 | — | — | Closed-Loop Geothermal |
| 42657 | 2004 | 120 | 20 | 5 | Domestic |
| 87080 | 2006 | 100 | — | — | Irrigation |
| 576185 | 2021 | 81 | 44 | 23 | Domestic |
| 52123 | 2005 | 79 | 21 | 15 | Domestic |
| 63900 | 2005 | 71 | — | — | Irrigation |
| 193719 | 2009 | 68 | 28 | 750 | 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 33-20?

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), [Grayson County](/county/grayson.md), [Kaufman County](/county/kaufman.md), [Brazos County](/county/brazos.md).

### Grids with a comparable number of reports

- [68-53](/area/68-53.md)
- [35-30](/area/35-30.md)
- [45-23](/area/45-23.md)
- [56-55](/area/56-55.md)
- [62-57](/area/62-57.md)
- [64-14](/area/64-14.md)
- [17-49](/area/17-49.md)
- [32-32](/area/32-32.md)
- [34-55](/area/34-55.md)
- [58-19](/area/58-19.md)
- [70-33](/area/70-33.md)
- [32-38](/area/32-38.md)
- [35-25](/area/35-25.md)

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Página: https://texas-water-wells.pages.dev/area/33-20/
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