# Well grid 78-05, Texas — Atascosa — how deep, and through what

> 416 well reports in Texas state well grid 78-05, covering Atascosa. Median depth 25 ft.

## Texas well grid 78-05

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Atascosa County](/county/atascosa.md). **416** reports, median depth **25 ft**.

### What you will drill through in grid 78-05

*Logged in state well grid 78-05, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Top Soil** 29 , **Clay** 27 , **Sandy Clay** 28 , **Clay, Silty, Slightly Sandy, Grading To Light Brown Color, S** 22 , **Fill-Sandy Gravelly Clay** 22 , **Clay, Limey, Calcite Common, Buff Color, Dry, No Odor** 18 |
| 25–50 ft | **Sand Tan** 7 , **Gray Clay** 6 , **Sand** 5 , **Sand Lt Brown** 4 , **Clay, Very Sandy, Tan To Brown Color, Dry, No Odor** 1 , **Grey Clay** 2 |
| 50–100 ft | **Rock** 12 , **Sand** 10 , **Shale** 7 , **Grey Shale** 5 , **Gray Clay** 5 , **Sand & Clay** 5 |
| 100–200 ft | **Sand** 33 , **Rock** 18 , **Shale** 16 , **Sandy Shale** 7 , **Grey Shale** 5 , **Gray Clay** 6 |
| 200–300 ft | **Sand** 24 , **Shale** 13 , **Rock** 12 , **Clay** 9 , **Sand And Shale** 6 , **Gray Clay** 5 |
| 300–500 ft | **Sand** 26 , **Shale** 18 , **Rock** 8 , **Sandy Shale** 10 , **Clay** 6 , **Gray Clay** 4 |
| 500–1000 ft | **Sand** 11 , **Shale** 7 , **Gray Clay** 4 , **Sand & Shale** 3 , **Good Sand** 1 , **Sand And Shale** 2 |
| 1000–5000 ft | **Sand** 5 , **Shale** 4 , **Carrizo Sand** 3 , **Gray Clay** 1 , **Grey Shale** 1 , **Carrizo Formation** 1 |

### Who drills here

*Licensed firms in state well grid 78-05, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 207 | 15 | — | 2006–2019 |
| [Envirotech Drilling Services LLC](/driller/envirotech-drilling-services-llc.md) | 26 | 30 | — | 2022–2024 |
| [Vortex Drilling Partners, LP](/driller/vortex-drilling-partners-lp.md) | 25 | 30 | — | 2019–2022 |
| [Alamo1 Drilling](/driller/alamo1-drilling.md) | 23 | 5 | — | 2025–2026 |
| [M&C WATERWELL DRILLING](/driller/m-c-waterwell-drilling.md) | 15 | 300 | 70 | 2005–2014 |
| [Thomas Moy and Sons](/driller/thomas-moy-and-sons.md) | 13 | 460 | — | 2011–2015 |
| [B&K Water Well Drilling](/driller/b-k-water-well-drilling.md) | 11 | 265 | 40 | 2015–2026 |
| [Thomas Moy and Sons Water Well Drilling Inc.](/driller/thomas-moy-and-sons-water-well-drilling-inc.md) | 8 | 500 | 80 | 2011–2026 |
| [Moy's Water Well Drilling & Services of Texas](/driller/moy-s-water-well-drilling-services-of-texas.md) | 8 | 700 | 80 | 2018–2024 |
| [Water Well Services, Inc.](/driller/water-well-services-inc.md) | 6 | 1,960 | 500 | 2011–2018 |
| [J B Drilling](/driller/j-b-drilling.md) | 6 | 260 | 50 | 2007–2015 |
| [Edward Pawlik & Son Well Service](/driller/edward-pawlik-son-well-service.md) | 6 | 500 | 150 | 2003–2007 |
| [Texas Southern Drilling](/driller/texas-southern-drilling.md) | 5 | 510 | 25 | 2021–2026 |
| DRT Services, LLC | 5 | 420 | 55 | 2013–2025 |
| [Universal Drilling Services of Texas, LLC](/driller/universal-drilling-services-of-texas-llc.md) | 5 | 40 | — | 2008 |
| [Moy's Water Well Services](/driller/moy-s-water-well-services.md) | 4 | 415 | 45 | 2018–2020 |
| [Total Support Services](/driller/total-support-services.md) | 4 | 20 | — | 2003 |
| [Austin Geo-Logic](/driller/austin-geo-logic.md) | 3 | 35 | — | 2020 |
| PC Drilling and Service, LLC | 3 | 430 | 100 | 2013 |
| [STEVENS DRILLING & WATER WELL SERVICE](/driller/stevens-drilling-water-well-service.md) | 2 | 536 | — | 2020–2021 |
| [BEST DRILLING SERVICES, INC.](/driller/best-drilling-services-inc.md) | 2 | 35 | — | 2019 |
| [Roddy Qualls Environmental Drilling](/driller/roddy-qualls-environmental-drilling.md) | 2 | 20 | — | 2019 |
| [C &C Groundwater Services LLC](/driller/c-c-groundwater-services-llc.md) | 2 | 520 | 25 | 2012 |
| [Pinnergy, LTD](/driller/pinnergy-ltd.md) | 2 | 500 | 125 | 2011 |
| [Thomas Moy & Sons](/driller/thomas-moy-sons.md) | 2 | — | 500 | 2006 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Environmental Soil Boring | 204 | 49.0% | 5 |
| Monitor | 93 | 22.4% | 35 |
| Domestic | 71 | 17.1% | 460 |
| Stock | 19 | 4.6% | 375 |
| Industrial | 13 | 3.1% | 420 |
| Irrigation | 7 | 1.7% | 700 |
| Other | 3 | 0.7% | 40 |
| Rig Supply | 3 | 0.7% | 430 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 102 | 25 | 58 |
| 2010s | 212 | 25 | 64 |
| 2020s | 102 | 30 | 75 |

### The deepest reports on file

*Deepest reports in state well grid 78-05. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 387458 | 2014 | 3,210 | 135 | 1,350 | Fracking Supply |
| 371871 | 2014 | 2,494 | 150 | 60 | Rig Supply |
| 261776 | 2011 | 2,333 | 80 | 500 | Industrial |
| 474235 | 2018 | 1,960 | 124 | 1,200 | Public Supply |
| 667717 | 2024 | 1,950 | 91 | — | Irrigation |
| 110620 | 2007 | 1,825 | — | — | Irrigation |
| 578166 | 2021 | 1,512 | 123 | 500 | Public Supply |
| 515398 | 2019 | 1,354 | 60 | — | Domestic |
| 401125 | 2015 | 1,260 | 150 | — | Domestic |
| 577195 | 2021 | 1,200 | 108 | 70 | 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 78-05?

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 [Atascosa County](/county/atascosa.md).

### Grids with a comparable number of reports

- [23-35](/area/23-35.md)
- [39-31](/area/39-31.md)
- [32-47](/area/32-47.md)
- [65-25](/area/65-25.md)
- [33-04](/area/33-04.md)
- [19-35](/area/19-35.md)
- [59-51](/area/59-51.md)
- [57-11](/area/57-11.md)
- [59-60](/area/59-60.md)
- [61-47](/area/61-47.md)
- [27-13](/area/27-13.md)
- [41-04](/area/41-04.md)
- [68-27](/area/68-27.md)

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Página: https://texas-water-wells.pages.dev/area/78-05/
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