# Well grid 67-20, Texas — Caldwell, Gonzales — how deep, and through what

> 161 well reports in Texas state well grid 67-20, covering Caldwell, Gonzales. Median depth 340 ft.

## Texas well grid 67-20

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Caldwell County](/county/caldwell.md) and [Gonzales County](/county/gonzales.md). **161** reports, median depth **340 ft**.

### What you will drill through in grid 67-20

*Logged in state well grid 67-20, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Sand** 37 , **Red Clay** 32 , **Clay** 24 , **Sandy Clay** 19 , **Sandy Clay W/Sand** 9 , **Top Soil** 15 |
| 25–50 ft | **Sand** 12 , **Gray Shale** 9 , **Rock** 5 , **Gray Clay** 6 , **Clay With Hard Streaks** 5 , **Clayey Sand With Traces Of Clay, Fine Sand, Grayish Brown (7** 4 |
| 50–100 ft | **Rock** 25 , **Gray Shale** 17 , **Clay** 16 , **Sand** 16 , **Gray Sand** 10 , **Blue Clay** 8 |
| 100–200 ft | **Rock** 31 , **Sand** 31 , **Gray Shale** 21 , **Gray Sand** 15 , **Clay** 15 , **Sandy Shale** 14 |
| 200–300 ft | **Sand** 36 , **Rock** 25 , **Clay** 24 , **Sandy Clay** 15 , **Gray Shale** 10 , **Shale** 10 |
| 300–500 ft | **Sand** 29 , **Rock** 29 , **Clay** 17 , **Sandy Shale** 12 , **Gray Shale** 8 , **Sandy Clay** 7 |
| 500–1000 ft | **Clay** 8 , **Sand** 3 , **Rock** 2 , **Fine Sand** 2 , **Sand, Clay** 1 , **Shale Grey** 2 |

### Who drills here

*Licensed firms in state well grid 67-20, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Deharde Water Well Service](/driller/deharde-water-well-service.md) | 28 | 420 | 60 | 2003–2026 |
| [Hazelett Drilling](/driller/hazelett-drilling.md) | 18 | 400 | 40 | 2014–2026 |
| [BEST DRILLING SERVICES, INC.](/driller/best-drilling-services-inc.md) | 15 | 40 | — | 2008–2026 |
| [Royall's Windmill & Pump](/driller/royall-s-windmill-pump.md) | 15 | 240 | 20 | 2006–2025 |
| [Royall's Windmill and Pump](/driller/royall-s-windmill-and-pump.md) | 12 | 352 | 30 | 2002–2015 |
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 7 | — | — | 2009 |
| [Drillink, Inc.](/driller/drillink-inc.md) | 6 | 473 | 100 | 2019–2026 |
| [ROYALLS WINDMILL & PUMP, LLC](/driller/royalls-windmill-pump-llc.md) | 6 | 202 | 80 | 2003–2006 |
| [Friedel Drilling Company](/driller/friedel-drilling-company.md) | 5 | 564 | 70 | 2006–2025 |
| [Envirotech Drilling Services LLC](/driller/envirotech-drilling-services-llc.md) | 4 | 25 | — | 2017–2025 |
| [Pacific West Environmental and Infrastructure](/driller/pacific-west-environmental-and-infrastructure.md) | 4 | 40 | — | 2025 |
| [BROWN'S WATER WELL DRILLING, LLC](/driller/brown-s-water-well-drilling-llc.md) | 4 | 360 | 40 | 2021–2023 |
| [Lone Star Drlg & Pump Serv](/driller/lone-star-drlg-pump-serv.md) | 4 | 365 | 40 | 2015–2021 |
| [Lone Star Drilling & Pump Service](/driller/lone-star-drilling-pump-service.md) | 4 | 608 | 60 | 2004–2012 |
| [STEVENS DRILLING & WATER WELL SERVICE](/driller/stevens-drilling-water-well-service.md) | 2 | 340 | — | 2021–2023 |
| [Evans Drilling](/driller/evans-drilling.md) | 2 | 240 | 70 | 2009–2013 |
| [Kutscher Drilling](/driller/kutscher-drilling.md) | 2 | 560 | 12 | 2011–2012 |
| [Bluebonnet Water Wells](/driller/bluebonnet-water-wells.md) | 1 | 345 | 70 | 2026 |
| [Hazlett Drilling](/driller/hazlett-drilling.md) | 1 | 380 | 50 | 2024 |
| Agua Dulce | 1 | 500 | — | 2023 |
| [Texas Southern Drilling](/driller/texas-southern-drilling.md) | 1 | 205 | — | 2023 |
| [CHANDLER DRILLING INC](/driller/chandler-drilling-inc.md) | 1 | 434 | 100 | 2021 |
| [Jackson Water Well](/driller/jackson-water-well.md) | 1 | 360 | 50 | 2020 |
| [Geoprojects International, Inc.](/driller/geoprojects-international-inc.md) | 1 | 321 | 4 | 2019 |
| Geoprojects Int'l | 1 | 260 | 70 | 2019 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 89 | 55.3% | 365 |
| Stock | 33 | 20.5% | 360 |
| Monitor | 28 | 17.4% | 40 |
| Irrigation | 5 | 3.1% | 440 |
| Environmental Soil Boring | 4 | 2.5% | — |
| Rig Supply | 2 | 1.2% | 400 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 1970s | 1 | 392 | 113 |
| 2000s | 46 | 300 | 69 |
| 2010s | 50 | 375 | 72 |
| 2020s | 64 | 340 | 67 |

### The deepest reports on file

*Deepest reports in state well grid 67-20. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 35433 | 2004 | 762 | 90 | 60 | Domestic |
| 202170 | 2005 | 700 | 60 | 70 | Domestic |
| 195521 | 2005 | 690 | 97 | 60 | Domestic |
| 535490 | 2020 | 635 | 104 | 50 | Domestic |
| 217937 | 2010 | 630 | 92 | — | Domestic |
| 593783 | 2021 | 620 | 105 | 80 | Stock |
| 308244 | 2012 | 608 | 62 | 30 | Domestic |
| 505410 | 2018 | 603 | 104 | 40 | Stock |
| 255298 | 2006 | 600 | 56 | — | Domestic |
| 594386 | 2021 | 580 | 170 | 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 67-20?

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

### Grids with a comparable number of reports

- [67-34](/area/67-34.md)
- [85-01](/area/85-01.md)
- [25-56](/area/25-56.md)
- [33-48](/area/33-48.md)
- [45-32](/area/45-32.md)
- [59-43](/area/59-43.md)
- [65-02](/area/65-02.md)
- [80-18](/area/80-18.md)
- [05-19](/area/05-19.md)
- [21-36](/area/21-36.md)
- [41-12](/area/41-12.md)
- [67-22](/area/67-22.md)
- [67-57](/area/67-57.md)

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Página: https://texas-water-wells.pages.dev/area/67-20/
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