# Well grid 68-36, Texas — Bexar — how deep, and through what

> 5,420 well reports in Texas state well grid 68-36, covering Bexar. Median depth 15 ft.

## Texas well grid 68-36

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Bexar County](/county/bexar.md). **5,420** reports, median depth **15 ft**.

### What you will drill through in grid 68-36

*Logged in state well grid 68-36, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Concrete** 272 , **Asphalt** 167 , **Feet Dark Brown Clay And Sand With Caliche And Lime Zones.** 99 , **Black Clay** 74 , **Gravel** 62 , **Tan Clay** 43 |
| 25–50 ft | **Navarro** 30 , **Navarro.** 17 , **Silty Clay,Very Pale Brown, Hard, Low Plasticity, Trace Grav** 11 , **Dark Olive Clay, Firm To Soft, High Plasticity, Moist, Some ** 7 , **Clay** 6 , **Dark Tan Silty Clay W/ Sand, Int. Caliche Pebbles, Slightly ** 6 |
| 50–100 ft | **Clay (Cl), Dark Gray (10 Yr 4/1), No Odor, Firm To Stiff, Mo** 1 , **Blue Shale** 1 , **Silty Fat Clay - Saturated To Wet Thick, Stiff To Hard Houst** 1 , **Ch - Silty Fat Clay - Saturated To Wet, Thick, Stiff To Hard** 1 , **Gray Shale** 1 , **Grey Clay And Shale** 1 |
| 100–200 ft | **Shale** 1 , **Rock** 1 , **Blue Shale** 2 , **Gray Shale** 1 , **Austin Chalk** 1 , **Sandy Shale** 1 |
| 200–300 ft | **Limestone** 2 , **Eagle Ford Shale** 1 , **Buda Limestone** 1 , **Hard Rock** 1 , **Sandy** 1 , **Sandy Shale** 1 |
| 300–500 ft | **Firm Limestone W/ Fractures In Bottom 4 Ft** 1 , **Del Rio Clay** 1 , **Georgetown Limestone** 1 , **Edwards Limestone** 1 |

### Who drills here

*Licensed firms in state well grid 68-36, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 3,543 | 15 | — | 2005–2025 |
| [Vortex Drilling Partners, LP](/driller/vortex-drilling-partners-lp.md) | 542 | 10 | — | 2019–2023 |
| [Pacific West Environmental and Infrastructure](/driller/pacific-west-environmental-and-infrastructure.md) | 163 | 10 | — | 2024–2026 |
| [Alliance Maintenance and Services](/driller/alliance-maintenance-and-services.md) | 143 | 17 | — | 2015 |
| [Envirotech Drilling Services LLC](/driller/envirotech-drilling-services-llc.md) | 141 | 15 | — | 2011–2026 |
| [Right Drill, LLC.](/driller/right-drill-llc.md) | 99 | 22 | — | 2023–2025 |
| [Vironex Inc.](/driller/vironex-inc.md) | 99 | 30 | — | 2012 |
| [ALPHA & OMEGA DRILLING SERVICES, INC.](/driller/alpha-omega-drilling-services-inc.md) | 89 | 11 | — | 2010–2011 |
| [Alamo1 Drilling](/driller/alamo1-drilling.md) | 52 | 10 | — | 2025–2026 |
| [BEST DRILLING SERVICES, INC.](/driller/best-drilling-services-inc.md) | 51 | 20 | — | 2004–2005 |
| [Alliance Maintenance & Services, Inc.](/driller/alliance-maintenance-services-inc.md) | 48 | — | — | 2013 |
| [MagnaCore Drilling & Environmental Services](/driller/magnacore-drilling-environmental-services.md) | 39 | 9 | — | 2010–2012 |
| [Select Drilling Services, LLC.](/driller/select-drilling-services-llc.md) | 36 | 25 | — | 2016–2017 |
| [Alamo Environmental dba Vortex Drilling](/driller/alamo-environmental-dba-vortex-drilling.md) | 35 | 10 | — | 2023–2024 |
| [Wel-Mat Drilling LLP](/driller/wel-mat-drilling-llp.md) | 30 | 34 | — | 2002–2016 |
| [Gainco, Inc.](/driller/gainco-inc.md) | 27 | 20 | — | 2010–2022 |
| ALPHA & OMEGA DRILLING SERVCES, INC. | 26 | — | — | 2010 |
| [Talon/LPE](/driller/talon-lpe.md) | 23 | 100 | — | 2019–2023 |
| [Total Support Services](/driller/total-support-services.md) | 22 | 40 | — | 2003–2020 |
| [Eagle Remediation](/driller/eagle-remediation.md) | 21 | 10 | — | 2021–2023 |
| [Vista GeoScience](/driller/vista-geoscience.md) | 18 | 11 | — | 2019 |
| [Tolunay-Wong Engineers,Inc](/driller/tolunay-wong-engineers-inc.md) | 17 | 10 | — | 2018–2019 |
| [XL Drilling, Inc.](/driller/xl-drilling-inc.md) | 15 | 20 | — | 2021 |
| [Sunbelt Industrial Services](/driller/sunbelt-industrial-services.md) | 14 | 20 | — | 2007–2025 |
| [Eagle Remediation & Demolition](/driller/eagle-remediation-demolition.md) | 14 | 10 | — | 2023 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Environmental Soil Boring | 3,820 | 70.5% | 10 |
| Monitor | 1,209 | 22.3% | 25 |
| Injection | 357 | 6.6% | 30 |
| Test Well | 16 | 0.3% | 45 |
| Other | 8 | 0.1% | 17 |
| Closed-Loop Geothermal | 4 | 0.1% | 339 |
| Domestic | 2 | 0.0% | 266 |
| Public Supply | 2 | 0.0% | 602 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 1,028 | 15 | 14 |
| 2010s | 3,408 | 15 | 19 |
| 2020s | 984 | 15 | 19 |

### The deepest reports on file

*Deepest reports in state well grid 68-36. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 444836 | 2017 | 602 | 187 | 1,900 | Public Supply |
| 664260 | 2024 | 503 | — | — | Closed-Loop Geothermal |
| 612672 | 2022 | 339 | — | — | Closed-Loop Geothermal |
| 706567 | 2025 | 300 | — | — | Closed-Loop Geothermal |
| 692238 | 2025 | 300 | — | — | Test Well |
| 683691 | 2024 | 300 | — | — | Test Well |
| 267743 | 2011 | 300 | — | — | Closed-Loop Geothermal |
| 184486 | 2009 | 266 | 60 | 50 | Domestic |
| 637282 | 2023 | 102 | 100 | — | Injection |
| 637286 | 2023 | 102 | 96 | — | Injection |

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 68-36?

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).

### Grids with a comparable number of reports

- [33-10](/area/33-10.md)
- [68-37](/area/68-37.md)
- [32-14](/area/32-14.md)
- [58-43](/area/58-43.md)
- [65-13](/area/65-13.md)
- [65-14](/area/65-14.md)
- [06-57](/area/06-57.md)
- [65-21](/area/65-21.md)
- [45-08](/area/45-08.md)
- [33-09](/area/33-09.md)
- [27-19](/area/27-19.md)
- [23-33](/area/23-33.md)
- [27-64](/area/27-64.md)

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Página: https://texas-water-wells.pages.dev/area/68-36/
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