# Well grid 68-42, Texas — Medina, Bexar — how deep, and through what

> 130 well reports in Texas state well grid 68-42, covering Medina, Bexar, Starr. Median depth 60 ft.

## Texas well grid 68-42

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Medina County](/county/medina.md) and [Bexar County](/county/bexar.md). **130** reports, median depth **60 ft**.

### What you will drill through in grid 68-42

*Logged in state well grid 68-42, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Clay** 15 , **Surface** 16 , **Yellow Clay** 12 , **Top Soil** 11 , **Soil** 10 , **Sandy Clay** 8 |
| 25–50 ft | **Blue Shale** 10 , **Gravel** 7 , **Gray Shale** 4 , **Rock** 3 , **Shale** 3 , **Yellow Sand** 3 |
| 50–100 ft | **Clay** 7 , **Grey Clay** 4 , **Blue Shale** 4 , **Shale** 4 , **Sand** 2 , **Silty Clay, Dark Brown/Brown To Olive Gray, Soft To Very Sti** 3 |
| 100–200 ft | **Shale** 3 , **Rock** 2 , **Sand** 3 , **Austin Group** 1 , **Sandy Grey Clay** 1 , **Shale Grey** 1 |
| 200–300 ft | **Shale** 3 , **Rock** 3 , **Sand** 2 , **Austin Chalk** 2 , **Sandy** 2 , **Gray Sand And Shale** 1 |
| 300–500 ft | **Sand** 3 , **Shale** 3 , **Rock** 2 , **Buda Limestone** 4 , **Austin Chalk** 3 , **Gray Shale, Brown Clay** 2 |
| 500–1000 ft | **Edwards** 5 , **Edwards Limestone** 4 , **Del Rio** 4 , **Buda Limestone** 3 , **Del Rio Clay** 3 , **Georgetown** 3 |
| 1000–5000 ft | **Buda Limestone** 2 , **Green Shale** 1 , **Buda Lime** 1 , **Del Rio Shale** 1 , **Edwards Lime** 1 , **Austin Chalk** 1 |

### Who drills here

*Licensed firms in state well grid 68-42, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [T M Johnson Drilling](/driller/t-m-johnson-drilling.md) | 20 | 56 | 100 | 2003–2013 |
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 15 | 15 | — | 2012–2018 |
| [SHEPHERD DRILLING](/driller/shepherd-drilling.md) | 12 | 60 | 20 | 2003–2022 |
| [dba Universal Drilling Services](/driller/dba-universal-drilling-services.md) | 11 | 54 | — | 2004 |
| [Underground Water Resources, LLC](/driller/underground-water-resources-llc.md) | 10 | 200 | 10 | 2019–2025 |
| [Well Done Water Works, LLC](/driller/well-done-water-works-llc.md) | 7 | 90 | 35 | 2023–2024 |
| [Alamo1 Drilling](/driller/alamo1-drilling.md) | 4 | 10 | — | 2025 |
| T M Johnson | 4 | 50 | — | 2015–2016 |
| [Davenport Drilling & Pump Service](/driller/davenport-drilling-pump-service.md) | 4 | 1,090 | 15 | 2004–2014 |
| [TERO DRILLING LLC](/driller/tero-drilling-llc.md) | 3 | 30 | — | 2022 |
| [Wilson Drilling and Pump Company](/driller/wilson-drilling-and-pump-company.md) | 3 | 73 | 800 | 2012–2019 |
| [Cherokee Drilling](/driller/cherokee-drilling.md) | 3 | 120 | 30 | 2012–2014 |
| [Cruz Drilling](/driller/cruz-drilling.md) | 3 | 60 | 5 | 2008 |
| [Alsay Incorporated](/driller/alsay-incorporated.md) | 2 | 1,115 | 3,000 | 2024–2025 |
| [McKinley Drilling](/driller/mckinley-drilling.md) | 2 | 2,515 | 557 | 2018–2024 |
| [Right Drill, LLC.](/driller/right-drill-llc.md) | 2 | 15 | — | 2023 |
| [Artesia Drilling](/driller/artesia-drilling.md) | 2 | 1,320 | 5 | 2014–2020 |
| [Unison Drilling Inc](/driller/unison-drilling-inc.md) | 2 | 664 | 12 | 2016–2017 |
| [Advanced Drilling Systems, Inc.](/driller/advanced-drilling-systems-inc.md) | 2 | — | — | 2010 |
| [J B Drilling](/driller/j-b-drilling.md) | 2 | 497 | 50 | 2008 |
| [Wilson Drilling, Inc.](/driller/wilson-drilling-inc.md) | 2 | — | — | 2008 |
| [Hydro Resources Mid Continent Inc.](/driller/hydro-resources-mid-continent-inc.md) | 1 | 1,016 | — | 2025 |
| [Stevens Drilling and Water Well Service](/driller/stevens-drilling-and-water-well-service.md) | 1 | 89 | — | 2024 |
| [Moy's Water Well Drilling & Services of Texas](/driller/moy-s-water-well-drilling-services-of-texas.md) | 1 | 755 | 2,160 | 1995 |
| [D K Drilling and Water Systems](/driller/d-k-drilling-and-water-systems.md) | 1 | 610 | — | 2019 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 42 | 32.3% | 200 |
| Irrigation | 22 | 16.9% | 56 |
| Environmental Soil Boring | 21 | 16.2% | 15 |
| Stock | 15 | 11.5% | 57 |
| Monitor | 13 | 10.0% | 54 |
| Public Supply | 11 | 8.5% | 1,115 |
| Test Well | 4 | 3.1% | 40 |
| Industrial | 1 | 0.8% | 1,320 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 1990s | 1 | 755 | 77 |
| 2000s | 33 | 60 | 42 |
| 2010s | 63 | 55 | 30 |
| 2020s | 33 | 135 | 38 |

### The deepest reports on file

*Deepest reports in state well grid 68-42. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 485451 | 2018 | 2,515 | 115 | 557 | Public Supply |
| 129150 | 2007 | 2,331 | 103 | 1,500 | Public Supply |
| 552474 | 2020 | 1,320 | 683 | — | Industrial |
| 383819 | 2014 | 1,134 | 130 | — | Public Supply |
| 123728 | 2007 | 1,132 | — | 225 | Public Supply |
| 706244 | 2025 | 1,115 | 98 | 3,000 | Public Supply |
| 687546 | 2024 | 1,115 | 112 | 3,000 | Public Supply |
| 329628 | 2011 | 1,100 | 70 | — | Domestic |
| 177851 | 2008 | 1,090 | 55 | 15 | Domestic |
| 21121 | 2003 | 1,057 | 51 | 100 | Domestic |

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 68-42?

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 [Medina County](/county/medina.md), [Bexar County](/county/bexar.md), [Starr County](/county/starr.md), [Wilson County](/county/wilson.md).

### Grids with a comparable number of reports

- [79-47](/area/79-47.md)
- [84-04](/area/84-04.md)
- [03-43](/area/03-43.md)
- [52-43](/area/52-43.md)
- [59-26](/area/59-26.md)
- [61-15](/area/61-15.md)
- [66-55](/area/66-55.md)
- [79-38](/area/79-38.md)
- [02-41](/area/02-41.md)
- [29-59](/area/29-59.md)
- [35-64](/area/35-64.md)
- [44-25](/area/44-25.md)
- [44-26](/area/44-26.md)

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Página: https://texas-water-wells.pages.dev/area/68-42/
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