# Well grid 68-30, Texas — Bexar, Guadalupe — how deep, and through what

> 960 well reports in Texas state well grid 68-30, covering Bexar, Guadalupe, Comal. Median depth 20 ft.

## Texas well grid 68-30

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Bexar County](/county/bexar.md) and [Guadalupe County](/county/guadalupe.md). **960** reports, median depth **20 ft**.

### What you will drill through in grid 68-30

*Logged in state well grid 68-30, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Tan Clay** 47 , **Black Clay** 44 , **Lean Clay 5-10% Fine To Medium Gravel 1-5% Sand Medium Plast** 19 , **Concrete** 27 , **Gravel** 24 , **Fat Clay 5-10% Fine To Medium Gravel 1-5% Sand, High Plastic** 19 |
| 25–50 ft | **Lt.Brw.Clay** 10 , **Clay; Light Yellowish Brown, Stiff, Plastic, Dry-Slightly Mo** 2 , **Same As Above, Dry, No Odor.** 5 , **Limestone: Light Tan To White, Strong Hydrocarbon Odor; Dril** 2 , **Tan Clay** 4 , **Clay** 4 |
| 50–100 ft | **Limestone: Light Tan To White, Strong Hydrocarbon Odor; Dril** 2 , **Blue Clay** 5 , **Chalk/Limestone: Tan, Dry, No Odor** 4 , **Gray Shale** 2 , **Clay/Shale-Gray** 3 , **Limestone: Wet To Damp Powder** 3 |
| 100–200 ft | **Edwards** 4 , **Del Rio Clay** 2 , **Clay** 2 , **Limestone: Light Grey, Hard, Dense, Drills Into Very Fine Po** 1 , **Limestone** 2 , **Sand** 1 |
| 200–300 ft | **Grey Limestone** 1 , **Tan Limestone** 1 , **Lost Circulation (Td)** 1 , **Yellow, White, Flint Orange Clay** 1 , **Very Broken- Mix Limestone** 1 , **Shale Sandstone** 1 |
| 300–500 ft | **Brown Limestone** 1 , **Limestone** 1 , **Limestone, Gray Clay** 1 , **Yellow Limestone** 2 , **Tan Limestone** 1 , **Limestone Clay, Shale, Sandstone** 1 |
| 500–1000 ft | **Gray Limestone** 1 , **Sand** 1 , **Brown Limestone** 1 , **Clay** 1 , **Brown Limestone, Black Quartz** 1 , **Brown And Gray Limestone** 1 |
| 1000–5000 ft | **Shale** 1 , **Cow Creek** 1 , **Grey & Cream Limestone** 1 |

### Who drills here

*Licensed firms in state well grid 68-30, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 614 | 15 | — | 2005–2025 |
| [Envirotech Drilling Services LLC](/driller/envirotech-drilling-services-llc.md) | 97 | 15 | — | 2012–2026 |
| [Vortex Drilling Partners, LP](/driller/vortex-drilling-partners-lp.md) | 55 | 22 | — | 2019–2022 |
| [BEST DRILLING SERVICES, INC.](/driller/best-drilling-services-inc.md) | 33 | 8 | — | 2018–2020 |
| [Kutscher Drilling](/driller/kutscher-drilling.md) | 15 | 360 | 15 | 2004–2025 |
| [Alliance Maintenance and Services](/driller/alliance-maintenance-and-services.md) | 15 | 30 | — | 2015 |
| [Strata Core Services, LLC](/driller/strata-core-services-llc.md) | 9 | 35 | — | 2015–2017 |
| [MagnaCore Drilling & Environmental Services](/driller/magnacore-drilling-environmental-services.md) | 9 | 15 | — | 2011 |
| Willoughby Water Wells | 7 | 10 | — | 2022 |
| [Cascade Drilling](/driller/cascade-drilling.md) | 7 | 60 | — | 2017 |
| [ALPHA & OMEGA DRILLING SERVICES, INC.](/driller/alpha-omega-drilling-services-inc.md) | 7 | — | — | 2010 |
| [Pacific West Environmental and Infrastructure](/driller/pacific-west-environmental-and-infrastructure.md) | 6 | 10 | — | 2024 |
| [Gainco, Inc.](/driller/gainco-inc.md) | 6 | 20 | — | 2022 |
| [Strata Core Drilling Co.](/driller/strata-core-drilling-co.md) | 6 | — | — | 2010 |
| [Alamo Environmental dba Vortex Drilling](/driller/alamo-environmental-dba-vortex-drilling.md) | 5 | 25 | — | 2023 |
| [SCI](/driller/sci.md) | 5 | 55 | — | 2006 |
| [Alamo1 Drilling](/driller/alamo1-drilling.md) | 4 | 8 | — | 2025 |
| [flugrath construction](/driller/flugrath-construction.md) | 4 | 260 | 15 | 2013–2019 |
| [Cascade Technical Services](/driller/cascade-technical-services.md) | 4 | 20 | — | 2018 |
| [Select Drilling Services, LLC.](/driller/select-drilling-services-llc.md) | 4 | 9 | — | 2017 |
| [Cutting Edge Core Drilling, Inc.](/driller/cutting-edge-core-drilling-inc.md) | 4 | 20 | — | 2012 |
| [Austin Geo-Logic](/driller/austin-geo-logic.md) | 3 | 15 | — | 2025 |
| [TERO DRILLING LLC](/driller/tero-drilling-llc.md) | 3 | 15 | — | 2019 |
| Haskin One Pump, Ltd. | 3 | 500 | 15 | 2004–2015 |
| [Deharde Water Well Service](/driller/deharde-water-well-service.md) | 3 | 35 | 2 | 2012 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Environmental Soil Boring | 661 | 68.9% | 15 |
| Monitor | 216 | 22.5% | 28 |
| Domestic | 27 | 2.8% | 320 |
| Other | 16 | 1.7% | 30 |
| Injection | 11 | 1.1% | 30 |
| Public Supply | 9 | 0.9% | 360 |
| Industrial | 8 | 0.8% | 520 |
| Test Well | 8 | 0.8% | 30 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 219 | 20 | 28 |
| 2010s | 555 | 19 | 27 |
| 2020s | 186 | 20 | 23 |

### The deepest reports on file

*Deepest reports in state well grid 68-30. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 567776 | 2020 | 1,405 | 150 | 140 | Industrial |
| 306144 | 2012 | 1,260 | 200 | 200 | Industrial |
| 245298 | 2011 | 920 | — | — | Industrial |
| 339196 | 2013 | 900 | 27 | — | Irrigation |
| 188120 | 2009 | 900 | — | — | Public Supply |
| 677523 | 2024 | 720 | 214 | — | Public Supply |
| 87048 | 2006 | 600 | — | 50 | Domestic |
| 377563 | 2014 | 540 | 150 | 30 | Stock |
| 719577 | 2026 | 520 | 178 | — | Industrial |
| 708169 | 2025 | 520 | 110 | — | 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 68-30?

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 [Bexar County](/county/bexar.md), [Guadalupe County](/county/guadalupe.md), [Comal County](/county/comal.md), [Wharton County](/county/wharton.md).

### Grids with a comparable number of reports

- [06-50](/area/06-50.md)
- [32-21](/area/32-21.md)
- [57-40](/area/57-40.md)
- [19-52](/area/19-52.md)
- [32-23](/area/32-23.md)
- [45-22](/area/45-22.md)
- [68-35](/area/68-35.md)
- [65-59](/area/65-59.md)
- [60-43](/area/60-43.md)
- [60-61](/area/60-61.md)
- [60-44](/area/60-44.md)
- [18-59](/area/18-59.md)
- [32-11](/area/32-11.md)

---

Página: https://texas-water-wells.pages.dev/area/68-30/
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