# Well grid 16-40, Texas — Bowie, Cass — how deep, and through what

> 643 well reports in Texas state well grid 16-40, covering Bowie, Cass, Gregg. Median depth 25 ft.

## Texas well grid 16-40

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Bowie County](/county/bowie.md) and [Cass County](/county/cass.md). **643** reports, median depth **25 ft**.

### What you will drill through in grid 16-40

*Logged in state well grid 16-40, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Red Clay** 105 , **Sand** 60 , **Topsoil** 54 , **Red Sand** 49 , **Concrete** 36 , **Gravel** 33 |
| 25–50 ft | **Red Clay** 51 , **Red Sand** 16 , **Fine Red Sand** 11 , **Water Sand** 10 , **Clay** 8 , **Grayish Tan Sand** 8 |
| 50–100 ft | **Blue Shale** 40 , **Water Sand** 36 , **Red Sand** 32 , **Gray Shale** 8 , **Red Clay** 8 , **Coarse Sand** 6 |
| 100–200 ft | **Gray Shale** 1 , **Fine Gray Sand** 1 , **Rock** 1 , **Sandy Shale** 1 , **Clay-Dark Gray** 1 |
| 200–300 ft | **Fine Gray Sand** 1 , **Blue Shale** 1 , **Rock** 1 , **Gray Shale** 1 |
| 300–500 ft | **Rock** 1 , **Blue Shale** 1 , **Light Gray Shale** 1 , **Solid Rock** 1 , **Water Sand** 1 |
| 500–1000 ft | **Rock** 2 , **Sand** 1 , **Fine Sand** 1 , **Light Gray Shale** 1 , **Sand Fine To Med** 1 , **Sandy Shale** 1 |

### Who drills here

*Licensed firms in state well grid 16-40, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Sunbelt Industrial Services](/driller/sunbelt-industrial-services.md) | 77 | 20 | — | 2007–2024 |
| [ETTL Engineers & Consultants Inc.](/driller/ettl-engineers-consultants-inc.md) | 58 | 15 | — | 2002–2015 |
| [Apex Geoscience Inc.](/driller/apex-geoscience-inc.md) | 57 | 12 | — | 2001–2005 |
| [WALKER HILL ENVIRONMENTAL INC](/driller/walker-hill-environmental-inc.md) | 39 | 16 | — | 2003–2021 |
| [W.E. Pender & Sons Inc](/driller/w-e-pender-sons-inc.md) | 38 | 70 | 32 | 2005–2024 |
| [SCI](/driller/sci.md) | 38 | 17 | — | 2004–2010 |
| [Patton Drilling Co.](/driller/patton-drilling-co.md) | 34 | 80 | 30 | 2006–2014 |
| [Strata Core Drilling Co.](/driller/strata-core-drilling-co.md) | 25 | 17 | — | 2009–2010 |
| [Environmental Logistics Company, LLC](/driller/environmental-logistics-company-llc.md) | 24 | 30 | — | 2024–2026 |
| [Dwyer Water Wells](/driller/dwyer-water-wells.md) | 21 | 72 | 40 | 2014–2026 |
| [WEST Drilling](/driller/west-drilling.md) | 21 | 25 | — | 2019–2025 |
| [Strata Core Services, LLC](/driller/strata-core-services-llc.md) | 19 | 20 | — | 2011–2018 |
| [W.E.S.T. Drilling](/driller/w-e-s-t-drilling.md) | 19 | 25 | — | 2004–2006 |
| [Precision Probe and Drilling](/driller/precision-probe-and-drilling.md) | 14 | 15 | — | 2003–2013 |
| [Pender Water Wells](/driller/pender-water-wells.md) | 14 | 68 | 30 | 2003–2006 |
| Walker-Hill Env. | 13 | 19 | — | 2003–2007 |
| [Hughes Drilling Company](/driller/hughes-drilling-company.md) | 12 | 76 | 25 | 2003–2005 |
| [MagnaCore Drilling & Environmental Services](/driller/magnacore-drilling-environmental-services.md) | 10 | 35 | — | 2014–2016 |
| [Roddy Qualls Environmental Drilling](/driller/roddy-qualls-environmental-drilling.md) | 9 | 25 | — | 2019–2022 |
| [Jones Environmental, Inc.](/driller/jones-environmental-inc.md) | 9 | 25 | — | 2005–2019 |
| [Talon Drilling, LP](/driller/talon-drilling-lp.md) | 9 | 26 | — | 2006 |
| [Envirotech Drilling Services LLC](/driller/envirotech-drilling-services-llc.md) | 8 | 30 | — | 2023–2026 |
| [Eagle Remediation](/driller/eagle-remediation.md) | 8 | 20 | — | 2021–2023 |
| [Alpine Field Services](/driller/alpine-field-services.md) | 7 | 35 | — | 2014–2017 |
| [ETTL Engineers & Consulants Inc.](/driller/ettl-engineers-consulants-inc.md) | 6 | 20 | — | 2019–2023 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Monitor | 446 | 69.4% | 20 |
| Irrigation | 69 | 10.7% | 70 |
| Domestic | 65 | 10.1% | 77 |
| Environmental Soil Boring | 47 | 7.3% | 18 |
| Injection | 7 | 1.1% | 15 |
| Test Well | 5 | 0.8% | 40 |
| Industrial | 3 | 0.5% | 54 |
| Closed-Loop Geothermal | 1 | 0.2% | — |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 291 | 20 | 25 |
| 2010s | 234 | 25 | 22 |
| 2020s | 118 | 25 | 19 |

### The deepest reports on file

*Deepest reports in state well grid 16-40. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 320600 | 2013 | 755 | — | — | Irrigation |
| 478214 | 2018 | 715 | 123 | 75 | Irrigation |
| 466973 | 2017 | 708 | 96 | 42 | Domestic |
| 360428 | 2014 | 385 | 75 | 40 | Domestic |
| 219720 | 2006 | 290 | 92 | — | Domestic |
| 201193 | 2009 | 167 | — | 20 | Domestic |
| 13355 | 2002 | 105 | — | — | Monitor |
| 345648 | 2013 | 100 | 45 | 30 | Irrigation |
| 256017 | 2010 | 100 | 35 | 30 | Irrigation |
| 466346 | 2017 | 97 | 63 | 21 | 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 16-40?

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 [Bowie County](/county/bowie.md), [Cass County](/county/cass.md), [Gregg County](/county/gregg.md).

### Grids with a comparable number of reports

- [19-53](/area/19-53.md)
- [65-46](/area/65-46.md)
- [35-44](/area/35-44.md)
- [02-57](/area/02-57.md)
- [60-47](/area/60-47.md)
- [06-22](/area/06-22.md)
- [18-58](/area/18-58.md)
- [58-35](/area/58-35.md)
- [39-38](/area/39-38.md)
- [64-41](/area/64-41.md)
- [68-14](/area/68-14.md)
- [60-35](/area/60-35.md)
- [60-49](/area/60-49.md)

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Página: https://texas-water-wells.pages.dev/area/16-40/
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