# Well grid 66-31, Texas — Wharton, Colorado — how deep, and through what

> 157 well reports in Texas state well grid 66-31, covering Wharton, Colorado, Austin. Median depth 160 ft.

## Texas well grid 66-31

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Wharton County](/county/wharton.md) and [Colorado County](/county/colorado.md). **157** reports, median depth **160 ft**.

### What you will drill through in grid 66-31

*Logged in state well grid 66-31, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Clay** 48 , **Sand** 50 , **Top Soil** 48 , **Topsoil** 26 , **White Clay** 21 , **Sand & Gravel** 17 |
| 25–50 ft | **Clay** 39 , **Sand** 25 , **Red Clay** 25 , **White Clay** 12 , **Sand & Gravel** 6 , **Sand And Gravel** 5 |
| 50–100 ft | **Sand** 56 , **Clay** 35 , **Red Clay** 13 , **White Clay** 12 , **Sand & Gravel** 11 , **Coarse Sand** 9 |
| 100–200 ft | **Sand** 58 , **Clay** 44 , **Rock** 19 , **White Clay** 17 , **Red Clay** 6 , **Coarse Sand** 7 |
| 200–300 ft | **Sand** 27 , **Clay** 19 , **Rock** 4 , **White Clay** 3 , **Sand & Rock** 2 , **Rock & Clay** 1 |
| 300–500 ft | **Sand** 17 , **Clay** 15 , **Hard Clay** 1 , **Sand & Gravel** 2 , **White Clay** 2 , **Shale** 1 |
| 500–1000 ft | **Clay** 10 , **Sand** 9 , **Sand & Clay** 2 , **Rocks & Sand** 2 , **Sand & Rocks** 2 , **Sand/Clay** 1 |

### Who drills here

*Licensed firms in state well grid 66-31, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Neuendorff's Water Well Service, Inc.](/driller/neuendorff-s-water-well-service-inc.md) | 20 | 150 | 35 | 2015–2025 |
| [Neuendorff's Water Well Svc., Inc.](/driller/neuendorff-s-water-well-svc-inc.md) | 18 | 150 | 40 | 2004–2014 |
| [Texas Southern Drilling](/driller/texas-southern-drilling.md) | 12 | 120 | 40 | 2020–2023 |
| [1st Choice Water Wells](/driller/1st-choice-water-wells.md) | 11 | 142 | 25 | 2014–2018 |
| [J&S WATER WELLS](/driller/j-s-water-wells.md) | 9 | 250 | 70 | 2005–2022 |
| [Ondrey Water Well Service](/driller/ondrey-water-well-service.md) | 8 | 198 | — | 2010–2019 |
| [Joe Ferguson Water Well Drilling, Inc.](/driller/joe-ferguson-water-well-drilling-inc.md) | 6 | 150 | — | 2007–2010 |
| Neuendorffs Water Well | 5 | 105 | 40 | 2020 |
| [Weisinger Incorporated](/driller/weisinger-incorporated.md) | 5 | 900 | 100 | 2012–2013 |
| [Dirba Water Wells](/driller/dirba-water-wells.md) | 5 | 130 | — | 2003–2008 |
| [Cady's Water wells](/driller/cady-s-water-wells.md) | 4 | 235 | 75 | 2013–2026 |
| [J4 Water Works, LLC](/driller/j4-water-works-llc.md) | 4 | 340 | 25 | 2025–2026 |
| [J&S WATER WELLS - JOHN RICHARDSON](/driller/j-s-water-wells-john-richardson.md) | 3 | 653 | 1,863 | 2012–2014 |
| [Burleson Services, Inc.](/driller/burleson-services-inc.md) | 3 | 280 | 120 | 2006–2010 |
| [A.W. Flentge Service](/driller/a-w-flentge-service.md) | 3 | 100 | 20 | 2003–2006 |
| [Triple C. Drilling](/driller/triple-c-drilling.md) | 3 | 100 | 40 | 2003–2004 |
| [Kight Water Well Service](/driller/kight-water-well-service.md) | 2 | 371 | 60 | 2023–2026 |
| [Chaffin Water Well Service](/driller/chaffin-water-well-service.md) | 2 | 360 | 2,000 | 2025 |
| [Crowell Drilling Company, Inc.](/driller/crowell-drilling-company-inc.md) | 2 | 603 | — | 2016–2021 |
| [MARAL DRILLING](/driller/maral-drilling.md) | 2 | 160 | 35 | 2019 |
| [Goolsby Water Well Service LLC](/driller/goolsby-water-well-service-llc.md) | 2 | 370 | 175 | 2015–2016 |
| [Cobra Water Well Drilling, LLC.](/driller/cobra-water-well-drilling-llc.md) | 2 | 320 | 70 | 2011 |
| [JOE FERGUSON WATER WELL DRLG. INC.](/driller/joe-ferguson-water-well-drlg-inc.md) | 2 | 160 | — | 2006 |
| [GMG Water Well Drilling, LLC](/driller/gmg-water-well-drilling-llc.md) | 1 | 160 | — | 2026 |
| [Bluebonnet Water Wells](/driller/bluebonnet-water-wells.md) | 1 | 190 | 45 | 2025 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 101 | 64.3% | 150 |
| Rig Supply | 20 | 12.7% | 170 |
| Irrigation | 19 | 12.1% | 603 |
| Industrial | 12 | 7.6% | 180 |
| Stock | 4 | 2.5% | 214 |
| Other | 1 | 0.6% | 140 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 43 | 132 | 37 |
| 2010s | 77 | 193 | 56 |
| 2020s | 37 | 160 | 42 |

### The deepest reports on file

*Deepest reports in state well grid 66-31. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 161380 | 2008 | 1,250 | — | — | Rig Supply |
| 407913 | 2015 | 910 | 105 | — | Irrigation |
| 282087 | 2012 | 900 | 35 | — | Irrigation |
| 278634 | 2012 | 900 | 22 | — | Irrigation |
| 277981 | 2012 | 900 | 42 | — | Irrigation |
| 208083 | 2010 | 866 | 30 | — | Irrigation |
| 349559 | 2013 | 850 | 35 | — | Irrigation |
| 349827 | 2013 | 750 | — | — | Irrigation |
| 327183 | 2012 | 653 | 43 | 1,863 | Irrigation |
| 577860 | 2021 | 603 | — | — | 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 66-31?

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 [Wharton County](/county/wharton.md), [Colorado County](/county/colorado.md), [Austin County](/county/austin.md), [Fort Bend County](/county/fort-bend.md), [Jackson County](/county/jackson.md).

### Grids with a comparable number of reports

- [37-23](/area/37-23.md)
- [37-50](/area/37-50.md)
- [41-03](/area/41-03.md)
- [59-06](/area/59-06.md)
- [59-29](/area/59-29.md)
- [59-34](/area/59-34.md)
- [64-07](/area/64-07.md)
- [31-63](/area/31-63.md)
- [35-22](/area/35-22.md)
- [42-17](/area/42-17.md)
- [42-50](/area/42-50.md)
- [60-31](/area/60-31.md)
- [67-64](/area/67-64.md)

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Página: https://texas-water-wells.pages.dev/area/66-31/
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