# Well grid 67-21, Texas — Gonzales, Caldwell — how deep, and through what

> 165 well reports in Texas state well grid 67-21, covering Gonzales, Caldwell, Goliad. Median depth 340 ft.

## Texas well grid 67-21

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Gonzales County](/county/gonzales.md) and [Caldwell County](/county/caldwell.md). **165** reports, median depth **340 ft**.

### What you will drill through in grid 67-21

*Logged in state well grid 67-21, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Red Clay** 39 , **Top Soil** 33 , **Sand** 30 , **Tan Clay** 23 , **Clay** 22 , **Red Sandy Clay** 19 |
| 25–50 ft | **Gray Clay** 18 , **Gray Shale** 7 , **Sand** 6 , **Gray Sandy Shale** 5 , **Sandy Clay** 4 , **Clay** 4 |
| 50–100 ft | **Gray Clay** 18 , **Sand** 15 , **Clay** 14 , **Gray Shale** 10 , **Rock** 10 , **Gray Sand** 8 |
| 100–200 ft | **Sand** 27 , **Rock** 18 , **Clay** 22 , **Gray Clay** 24 , **Gray Sand** 10 , **Gray Shale** 9 |
| 200–300 ft | **Sand** 39 , **Clay** 23 , **Gray Clay** 24 , **Rock** 10 , **Gray Sand** 10 , **Sandy Clay** 7 |
| 300–500 ft | **Sand** 25 , **Clay** 16 , **Gray Clay** 22 , **Rock** 10 , **Gray Sand** 8 , **Gray Shale** 4 |
| 500–1000 ft | **Gray Clay** 4 , **Med Sand** 5 , **Gray Sand And Layered Rock** 5 , **Course Sand** 4 , **Clay** 2 , **Sand** 3 |

### Who drills here

*Licensed firms in state well grid 67-21, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Maresh Drilling Co., Inc.](/driller/maresh-drilling-co-inc.md) | 21 | 420 | 90 | 2001–2022 |
| [Drillink, Inc.](/driller/drillink-inc.md) | 19 | 535 | 100 | 2018–2026 |
| [Friedel Drilling Company](/driller/friedel-drilling-company.md) | 16 | 300 | 60 | 2002–2026 |
| [Lone Star Drlg & Pump Serv](/driller/lone-star-drlg-pump-serv.md) | 12 | 395 | 50 | 2014–2021 |
| [WB Southern Drilling LLC](/driller/wb-southern-drilling-llc.md) | 11 | 405 | 100 | 2024–2026 |
| [Lone Star Drilling & Pump Service](/driller/lone-star-drilling-pump-service.md) | 11 | 315 | 50 | 2006–2012 |
| [Deharde Water Well Service](/driller/deharde-water-well-service.md) | 9 | 396 | 130 | 2004–2026 |
| [Motal Well Service](/driller/motal-well-service.md) | 9 | 320 | 40 | 2003–2016 |
| [Hazelett Drilling](/driller/hazelett-drilling.md) | 8 | 280 | 50 | 2015–2026 |
| [Royall's Windmill and Pump](/driller/royall-s-windmill-and-pump.md) | 7 | 428 | 24 | 2002–2015 |
| Roger Miller | 6 | 25 | — | 2004–2005 |
| [Texas Southern Drilling](/driller/texas-southern-drilling.md) | 5 | 325 | 15 | 2022–2025 |
| [BEST DRILLING SERVICES, INC.](/driller/best-drilling-services-inc.md) | 5 | 25 | — | 2007 |
| [Richter Well Drilling, Inc.](/driller/richter-well-drilling-inc.md) | 4 | 460 | 100 | 2003–2013 |
| [Alpine Field Services](/driller/alpine-field-services.md) | 4 | 25 | — | 2003–2004 |
| [Royall's Windmill & Pump](/driller/royall-s-windmill-pump.md) | 3 | 420 | 25 | 2007–2016 |
| [Brown's Water Well](/driller/brown-s-water-well.md) | 3 | 350 | — | 2007–2008 |
| Lone Star Drilling & Pump Serv. | 2 | 413 | 30 | 2006–2011 |
| [ROYALLS WINDMILL & PUMP, LLC](/driller/royalls-windmill-pump-llc.md) | 2 | 228 | 80 | 2003–2006 |
| Brown Water Well | 1 | 600 | 80 | 2025 |
| [sotex water well service](/driller/sotex-water-well-service.md) | 1 | 300 | 10 | 2025 |
| [Bell's Drilling Service](/driller/bell-s-drilling-service.md) | 1 | 270 | 25 | 2023 |
| Wagener's Well Service | 1 | 360 | 100 | 2019 |
| Wagener's Water Well Service | 1 | 560 | 80 | 2019 |
| [Cobra Water Well Drilling, LLC.](/driller/cobra-water-well-drilling-llc.md) | 1 | 340 | 70 | 2015 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 104 | 63.0% | 340 |
| Stock | 43 | 26.1% | 425 |
| Monitor | 15 | 9.1% | 25 |
| Irrigation | 2 | 1.2% | 900 |
| Rig Supply | 1 | 0.6% | 300 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 49 | 312 | 52 |
| 2010s | 65 | 367 | 56 |
| 2020s | 51 | 360 | 97 |

### The deepest reports on file

*Deepest reports in state well grid 67-21. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 643075 | 2023 | 900 | 65 | — | Stock |
| 643074 | 2023 | 900 | 65 | — | Stock |
| 643073 | 2023 | 900 | 64 | — | Stock |
| 536479 | 2019 | 900 | 40 | 250 | Irrigation |
| 714910 | 2026 | 880 | 80 | 100 | Stock |
| 714899 | 2025 | 880 | 80 | 100 | Stock |
| 708933 | 2025 | 860 | 109 | 100 | Stock |
| 708931 | 2025 | 800 | 103 | 100 | Stock |
| 334120 | 2013 | 760 | 97 | 90 | Domestic |
| 493477 | 2018 | 710 | 59 | 100 | Stock |

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 67-21?

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 [Gonzales County](/county/gonzales.md), [Caldwell County](/county/caldwell.md), [Goliad County](/county/goliad.md).

### Grids with a comparable number of reports

- [67-35](/area/67-35.md)
- [87-21](/area/87-21.md)
- [27-47](/area/27-47.md)
- [29-18](/area/29-18.md)
- [37-29](/area/37-29.md)
- [39-40](/area/39-40.md)
- [57-27](/area/57-27.md)
- [76-13](/area/76-13.md)
- [30-36](/area/30-36.md)
- [37-45](/area/37-45.md)
- [39-62](/area/39-62.md)
- [66-37](/area/66-37.md)
- [67-14](/area/67-14.md)

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Página: https://texas-water-wells.pages.dev/area/67-21/
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