# Well grid 31-51, Texas — Eastland, Comanche — how deep, and through what

> 266 well reports in Texas state well grid 31-51, covering Eastland, Comanche, Erath. Median depth 90 ft.

## Texas well grid 31-51

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Eastland County](/county/eastland.md) and [Comanche County](/county/comanche.md). **266** reports, median depth **90 ft**.

### What you will drill through in grid 31-51

*Logged in state well grid 31-51, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Sand** 166 , **Clay** 121 , **Red Clay** 37 , **Sandy Clay** 32 , **Sand And Rock** 26 , **Topsoil** 23 |
| 25–50 ft | **Sand** 44 , **Shale** 48 , **Red Clay** 26 , **Sand And Rock** 26 , **Clay** 22 , **Sandstone** 20 |
| 50–100 ft | **Shale** 85 , **Sand** 30 , **Sand And Gravel** 29 , **Clay** 20 , **Rock** 13 , **Sand And Rock** 16 |
| 100–200 ft | **Shale** 21 , **Sandstone** 7 , **Red Clay** 5 , **Sand Stone** 5 , **Red Shale** 3 , **Shale And Rock** 5 |
| 200–300 ft | **Shale** 7 , **Sandstone** 5 , **Sand Stone** 4 , **Gray Shale** 1 , **Grey Shale** 2 , **Shale With Limestone Strips** 1 |
| 300–500 ft | **Shale** 6 , **Sandstone** 3 , **Sand** 3 , **Grey Shale** 2 , **Red Shale** 2 , **Shale With Limestone Strips** 1 |
| 500–1000 ft | **Grey Shale** 2 , **Red Clay** 1 , **Grey Shale & Clay** 1 , **Sandstone** 1 , **Grey Shale & Lime** 1 , **Sand & Sandy Shale & Sandstone** 1 |

### Who drills here

*Licensed firms in state well grid 31-51, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [F&F Drilling](/driller/f-f-drilling.md) | 133 | 100 | 35 | 2002–2026 |
| [Spencer's Water Well Service](/driller/spencer-s-water-well-service.md) | 68 | 63 | 25 | 2011–2025 |
| [GAP DRILLING & SERIVICE](/driller/gap-drilling-serivice.md) | 14 | 60 | — | 2023 |
| [Associated Well Services, Inc.](/driller/associated-well-services-inc.md) | 10 | 299 | 40 | 2015–2026 |
| [Associated Services](/driller/associated-services.md) | 7 | 125 | 10 | 2003–2006 |
| [Roddy Qualls Environmental Drilling](/driller/roddy-qualls-environmental-drilling.md) | 6 | 15 | — | 2021 |
| [Environmental Logistics Company, LLC](/driller/environmental-logistics-company-llc.md) | 5 | 28 | — | 2021–2022 |
| [Robert Caraway Water Well Drlg.](/driller/robert-caraway-water-well-drlg.md) | 4 | 120 | 60 | 2023–2025 |
| [Michael Gilliam Consultant Services](/driller/michael-gilliam-consultant-services.md) | 4 | 118 | 40 | 2017–2023 |
| [HAD Drilling Co.](/driller/had-drilling-co.md) | 2 | 168 | 30 | 2019–2022 |
| [SIMMONS WATER WELL SERVICE](/driller/simmons-water-well-service.md) | 2 | 270 | — | 2021 |
| [White Drilling Company, Inc.](/driller/white-drilling-company-inc.md) | 2 | 30 | — | 2017 |
| [Harris Drilling Company, Inc.](/driller/harris-drilling-company-inc.md) | 2 | 221 | 100 | 2004–2013 |
| [Jones Drilling Inc.](/driller/jones-drilling-inc.md) | 2 | 260 | 20 | 2009–2012 |
| [Priceless Water Wells](/driller/priceless-water-wells.md) | 1 | 495 | 17 | 2019 |
| [Associated Well Services Inc- Colton Aardal](/driller/associated-well-services-inc-colton-aardal.md) | 1 | 99 | — | 2014 |
| Davis Water Well Drilling | 1 | 100 | 12 | 2004 |
| [BENNETT WATER WELL DRILLING, INC.](/driller/bennett-water-well-drilling-inc.md) | 1 | 250 | 20 | 2004 |
| [Jimmy D. Wilson Drilling](/driller/jimmy-d-wilson-drilling.md) | 1 | 90 | 35 | 2002 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Irrigation | 140 | 52.6% | 85 |
| Domestic | 81 | 30.5% | 100 |
| Stock | 30 | 11.3% | 120 |
| Monitor | 8 | 3.0% | 28 |
| Test Well | 7 | 2.6% | 15 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 65 | 90 | 39 |
| 2010s | 80 | 100 | 40 |
| 2020s | 121 | 63 | 35 |

### The deepest reports on file

*Deepest reports in state well grid 31-51. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 624249 | 2022 | 715 | 422 | 40 | Stock |
| 624182 | 2022 | 576 | 375 | 40 | Stock |
| 624192 | 2022 | 520 | 222 | 40 | Domestic |
| 560363 | 2020 | 505 | 93 | — | Stock |
| 525487 | 2019 | 495 | 180 | 17 | Domestic |
| 584468 | 2021 | 480 | 89 | — | Stock |
| 214319 | 2010 | 440 | 52 | 50 | Stock |
| 356033 | 2014 | 420 | 80 | 100 | Irrigation |
| 546227 | 2020 | 400 | 59 | 10 | Irrigation |
| 427797 | 2016 | 390 | 60 | 70 | 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 31-51?

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 [Eastland County](/county/eastland.md), [Comanche County](/county/comanche.md), [Erath County](/county/erath.md).

### Grids with a comparable number of reports

- [57-10](/area/57-10.md)
- [61-33](/area/61-33.md)
- [43-29](/area/43-29.md)
- [58-20](/area/58-20.md)
- [62-17](/area/62-17.md)
- [68-32](/area/68-32.md)
- [19-20](/area/19-20.md)
- [44-28](/area/44-28.md)
- [56-62](/area/56-62.md)
- [58-10](/area/58-10.md)
- [58-11](/area/58-11.md)
- [64-17](/area/64-17.md)
- [29-35](/area/29-35.md)

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Página: https://texas-water-wells.pages.dev/area/31-51/
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