# Well grid 78-04, Texas — Atascosa, Wilson — how deep, and through what

> 202 well reports in Texas state well grid 78-04, covering Atascosa, Wilson. Median depth 420 ft.

## Texas well grid 78-04

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Atascosa County](/county/atascosa.md) and [Wilson County](/county/wilson.md). **202** reports, median depth **420 ft**.

### What you will drill through in grid 78-04

*Logged in state well grid 78-04, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Top Soil** 41 , **Clay** 24 , **Red Clay** 19 , **Surface** 18 , **Sand** 12 , **Tan Clay** 13 |
| 25–50 ft | **Sand With Rock Strks** 6 , **Shale** 6 , **Clay With Sand/Rock Strks** 5 , **Gray Clay** 5 , **Clay** 4 , **Clay With Rock Strks** 4 |
| 50–100 ft | **Shale** 14 , **Sand** 14 , **Rock** 7 , **Grey Clay/Shale With Rock Strks** 10 , **Sand With Rock Strks** 8 , **Grey Clay/Shale** 7 |
| 100–200 ft | **Sand** 41 , **Rock** 24 , **Shale** 24 , **Grey Clay/Shale** 15 , **Sand With Rock Strks** 17 , **Grey Clay/Shale With Rock Strks** 13 |
| 200–300 ft | **Sand** 49 , **Shale** 31 , **Rock** 12 , **Grey Clay/Shale** 12 , **Sand With Rock Strks** 13 , **Gray Clay/Shale** 7 |
| 300–500 ft | **Sand** 59 , **Shale** 32 , **Rock** 15 , **Clay/Shale** 13 , **Sandy Shale** 10 , **Gray Sand** 9 |
| 500–1000 ft | **Sand** 13 , **Shale** 10 , **Rock** 9 , **Sandy Shale** 7 , **Sandy** 2 , **Clay** 4 |
| 1000–5000 ft | **Sand** 6 , **Sand, Shale** 1 , **Shale** 4 , **Sandy Shale** 4 , **Carrizo Sand** 3 , **Sand/Lignite** 1 |

### Who drills here

*Licensed firms in state well grid 78-04, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Busselman Water Wells, LLC](/driller/busselman-water-wells-llc.md) | 28 | 317 | 16 | 2025 |
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 26 | 20 | — | 2007–2016 |
| [Thomas Moy and Sons](/driller/thomas-moy-and-sons.md) | 16 | 500 | 60 | 2004–2019 |
| [Moy's Water Well Drilling & Services of Texas](/driller/moy-s-water-well-drilling-services-of-texas.md) | 12 | 445 | 80 | 2018–2024 |
| [B&K Water Well Drilling](/driller/b-k-water-well-drilling.md) | 12 | 360 | 35 | 2012–2023 |
| [Water Well Services, Inc.](/driller/water-well-services-inc.md) | 9 | 450 | 80 | 2008–2018 |
| [M & C WATERWELL DRILLING](/driller/m-c-waterwell-drilling.md) | 9 | 365 | 75 | 2005–2014 |
| [Thomas Moy and Sons Water Well Drilling Inc.](/driller/thomas-moy-and-sons-water-well-drilling-inc.md) | 8 | 580 | 60 | 2014–2026 |
| DRT Services, LLC | 8 | 500 | 60 | 2012–2025 |
| [Thomas Moy and Son's](/driller/thomas-moy-and-son-s.md) | 7 | 520 | 60 | 2004–2018 |
| [Thomas Moy & Sons](/driller/thomas-moy-sons.md) | 6 | 520 | 60 | 2005–2008 |
| [Texas Southern Drilling](/driller/texas-southern-drilling.md) | 5 | 350 | 45 | 2021–2022 |
| [J B Drilling](/driller/j-b-drilling.md) | 5 | 407 | 55 | 2009–2013 |
| [STEVENS DRILLING & WATER WELL SERVICE](/driller/stevens-drilling-water-well-service.md) | 4 | 550 | 75 | 2017–2025 |
| [Edward Pawlik & Son Well Service](/driller/edward-pawlik-son-well-service.md) | 4 | 530 | 100 | 2005–2007 |
| [McKinley Drilling](/driller/mckinley-drilling.md) | 3 | 1,565 | 1,000 | 2025–2026 |
| [BEST DRILLING SERVICES, INC.](/driller/best-drilling-services-inc.md) | 3 | 32 | — | 2016 |
| [EDWARD PAWLIK & SON W S](/driller/edward-pawlik-son-w-s.md) | 3 | 465 | 100 | 2011–2012 |
| R&K Water Well Drilling | 2 | 640 | 60 | 2025 |
| Alamo Water Wells | 2 | 1,600 | 200 | 2024 |
| [Moy's Water Well Services](/driller/moy-s-water-well-services.md) | 2 | 435 | 45 | 2019–2023 |
| [Underground Water Resources, LLC](/driller/underground-water-resources-llc.md) | 2 | 520 | 20 | 2022–2023 |
| [Wel-Mat Drilling LLP](/driller/wel-mat-drilling-llp.md) | 2 | 35 | — | 2017 |
| Thomas Moy & Sons Water Well Drilling | 2 | 480 | 60 | 2007 |
| [HERBOLD BROTHERS](/driller/herbold-brothers.md) | 2 | 200 | 20 | 2006 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 125 | 61.9% | 435 |
| Stock | 24 | 11.9% | 420 |
| Monitor | 19 | 9.4% | 25 |
| Irrigation | 13 | 6.4% | 690 |
| Environmental Soil Boring | 12 | 5.9% | 20 |
| Public Supply | 5 | 2.5% | 2,020 |
| Industrial | 3 | 1.5% | 571 |
| Rig Supply | 1 | 0.5% | 600 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 47 | 375 | 104 |
| 2010s | 81 | 440 | 116 |
| 2020s | 74 | 364 | 155 |

### The deepest reports on file

*Deepest reports in state well grid 78-04. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 123355 | 2007 | 2,050 | 140 | 1,158 | Public Supply |
| 709840 | 2025 | 2,020 | — | — | Public Supply |
| 462695 | 2017 | 2,018 | 185 | — | Irrigation |
| 671037 | 2024 | 1,920 | 167 | 1,808 | Public Supply |
| 359709 | 2013 | 1,700 | 165 | 1,500 | Public Supply |
| 714365 | 2025 | 1,630 | 325 | 1,000 | Irrigation |
| 678607 | 2024 | 1,600 | 100 | 200 | Irrigation |
| 727258 | 2026 | 1,565 | 249 | 1,000 | Irrigation |
| 714366 | 2025 | 1,475 | 122 | 500 | Irrigation |
| 136467 | 2008 | 1,414 | 124 | 1,000 | 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 78-04?

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), [Wilson County](/county/wilson.md).

### Grids with a comparable number of reports

- [23-20](/area/23-20.md)
- [30-37](/area/30-37.md)
- [37-31](/area/37-31.md)
- [66-56](/area/66-56.md)
- [03-42](/area/03-42.md)
- [17-64](/area/17-64.md)
- [19-33](/area/19-33.md)
- [85-37](/area/85-37.md)
- [18-19](/area/18-19.md)
- [60-16](/area/60-16.md)
- [84-23](/area/84-23.md)
- [16-63](/area/16-63.md)
- [28-26](/area/28-26.md)

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Página: https://texas-water-wells.pages.dev/area/78-04/
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