# Well grid 30-47, Texas — Callahan, Eastland — how deep, and through what

> 103 well reports in Texas state well grid 30-47, covering Callahan, Eastland. Median depth 14 ft.

## Texas well grid 30-47

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Callahan County](/county/callahan.md) and [Eastland County](/county/eastland.md). **103** reports, median depth **14 ft**.

### What you will drill through in grid 30-47

*Logged in state well grid 30-47, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Silty Sand, Brown, Moist** 28 , **Brown Clay** 13 , **Top Soil** 14 , **Red Clay** 10 , **Yellow Clay** 7 , **Sand** 8 |
| 25–50 ft | **Red Clay** 12 , **Brown Clay** 6 , **Shale** 5 , **Reddish Brown Clay** 5 , **Yellow Clay** 4 , **Blue Clay** 4 |
| 50–100 ft | **Red Clay** 5 , **Blue Clay** 5 , **Shale** 6 , **Gray Clay & Shale** 5 , **Gray Clay** 4 , **Brown Clay** 4 |
| 100–200 ft | **Shale** 3 , **Brown Clay** 3 , **Gray Clay & Shale** 1 , **Gray Clay & Shale With Limestone Stringers** 2 , **Blue Clay** 2 , **Finer Coarse Sand And Small Gravel** 1 |
| 200–300 ft | **Blue Shale** 2 , **Brown Clay** 1 , **Gray & White Limestone** 1 , **Red Shale** 1 , **Brown Clay & Shale With Limestone Stringers** 1 , **Reddish Brown, Red, Brown, & Light Blue Shales With Limeston** 1 |
| 300–500 ft | **Gray Limestone** 1 , **Gray Shale** 1 |

### Who drills here

*Licensed firms in state well grid 30-47, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [AUTHENTIC DRILLING](/driller/authentic-drilling.md) | 62 | 14 | — | 2020–2021 |
| [Michael Gilliam Consultant Services](/driller/michael-gilliam-consultant-services.md) | 20 | 104 | 1 | 2004–2024 |
| [F&F Drilling](/driller/f-f-drilling.md) | 6 | 100 | 5 | 2008–2015 |
| [Jimmy D. Wilson Drilling](/driller/jimmy-d-wilson-drilling.md) | 6 | 132 | 12 | 2002–2007 |
| QUAIL COUNTY CONSTRUCTION | 3 | 210 | — | 2007 |
| [SIMMONS WATER WELL SERVICE](/driller/simmons-water-well-service.md) | 2 | 160 | — | 2026 |
| [Robert Caraway Water Well Drlg.](/driller/robert-caraway-water-well-drlg.md) | 1 | 120 | 25 | 2023 |
| [White Drilling Company, Inc.](/driller/white-drilling-company-inc.md) | 1 | 48 | — | 2021 |
| [Spencer's Water Well Service](/driller/spencer-s-water-well-service.md) | 1 | 60 | 5 | 2013 |
| [A & W Drilling Services, Ltd](/driller/a-w-drilling-services-ltd.md) | 1 | — | — | 2011 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Monitor | 62 | 60.2% | 14 |
| Domestic | 15 | 14.6% | 113 |
| Stock | 8 | 7.8% | 104 |
| Irrigation | 8 | 7.8% | 68 |
| Test Well | 7 | 6.8% | 102 |
| Other | 3 | 2.9% | 108 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 11 | 132 | 58 |
| 2010s | 14 | 102 | 24 |
| 2020s | 78 | 14 | 15 |

### The deepest reports on file

*Deepest reports in state well grid 30-47. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 605565 | 2022 | 348 | — | — | Test Well |
| 114740 | 2007 | 280 | — | — | Domestic |
| 114801 | 2007 | 210 | — | — | Domestic |
| 16277 | 2003 | 207 | 100 | 5 | Domestic |
| 374269 | 2014 | 202 | — | — | Test Well |
| 609717 | 2022 | 200 | 25 | — | Stock |
| 34427 | 2004 | 190 | 22 | — | Domestic |
| 726229 | 2026 | 160 | — | — | Stock |
| 398711 | 2015 | 150 | 112 | 10 | Irrigation |
| 398708 | 2015 | 150 | 104 | 5 | 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 30-47?

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 [Callahan County](/county/callahan.md), [Eastland County](/county/eastland.md).

### Grids with a comparable number of reports

- [38-25](/area/38-25.md)
- [41-47](/area/41-47.md)
- [80-28](/area/80-28.md)
- [85-05](/area/85-05.md)
- [03-44](/area/03-44.md)
- [04-49](/area/04-49.md)
- [25-24](/area/25-24.md)
- [38-49](/area/38-49.md)
- [39-54](/area/39-54.md)
- [56-38](/area/56-38.md)
- [79-20](/area/79-20.md)
- [79-52](/area/79-52.md)
- [87-30](/area/87-30.md)

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Página: https://texas-water-wells.pages.dev/area/30-47/
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