# Well grid 66-38, Texas — Wharton, Colorado — how deep, and through what

> 166 well reports in Texas state well grid 66-38, covering Wharton, Colorado. Median depth 140 ft.

## Texas well grid 66-38

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Wharton County](/county/wharton.md) and [Colorado County](/county/colorado.md). **166** reports, median depth **140 ft**.

### What you will drill through in grid 66-38

*Logged in state well grid 66-38, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Clay** 45 , **Sand** 33 , **Top Soil** 34 , **Topsoil** 29 , **Brown Clay** 18 , **Red Clay** 17 |
| 25–50 ft | **Sand** 19 , **Clay** 13 , **Sand & Gravel** 11 , **Red Clay** 10 , **Gravel** 7 , **Sand And Gravel** 4 |
| 50–100 ft | **Clay** 29 , **Sand** 28 , **Sand & Gravel** 23 , **Gravel** 14 , **White Clay** 14 , **Pea Gravel** 8 |
| 100–200 ft | **Rock** 26 , **Sand** 26 , **Clay** 20 , **Sand & Gravel** 12 , **Sand & Rock Streaks** 6 , **White Clay** 7 |
| 200–300 ft | **Rock** 8 , **Sand** 6 , **Sand & Rock Streaks** 3 , **Clay** 3 , **Gravel** 2 , **Shale** 2 |
| 300–500 ft | **Gravel** 2 , **Gravel/Hard** 1 , **Rock** 1 , **Sand** 1 , **Hard** 1 , **Shale** 1 |

### Who drills here

*Licensed firms in state well grid 66-38, 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) | 23 | 155 | 67 | 2013–2026 |
| [Neuendorff's Water Well Svc., Inc.](/driller/neuendorff-s-water-well-svc-inc.md) | 19 | 230 | 75 | 2004–2013 |
| [Kight Water Well Service](/driller/kight-water-well-service.md) | 13 | 120 | 65 | 2020–2025 |
| [Envirotech Drilling Services LLC](/driller/envirotech-drilling-services-llc.md) | 13 | 50 | — | 2018–2022 |
| [Texas Southern Drilling](/driller/texas-southern-drilling.md) | 7 | 140 | 60 | 2020–2024 |
| [Goolsby Water Well Service LLC](/driller/goolsby-water-well-service-llc.md) | 5 | 205 | 80 | 2015–2023 |
| [AQUA STAR LLC](/driller/aqua-star-llc.md) | 5 | 140 | 50 | 2019–2020 |
| [Cady's Water wells](/driller/cady-s-water-wells.md) | 5 | 210 | 120 | 2011–2017 |
| [C & S UTESEY WATER WELL SERVICE & DRILLING, L.L.C.](/driller/c-s-utesey-water-well-service-drilling-l-l-c.md) | 5 | 120 | 100 | 2003–2013 |
| [Everett Carroll Water Well Service](/driller/everett-carroll-water-well-service.md) | 5 | 120 | 60 | 2004–2008 |
| [1st Choice Water Wells](/driller/1st-choice-water-wells.md) | 4 | 90 | 30 | 2011–2020 |
| [Ondrey Water Well Service](/driller/ondrey-water-well-service.md) | 4 | 195 | — | 2012–2013 |
| [Dirba Water Wells](/driller/dirba-water-wells.md) | 4 | 92 | — | 2004–2007 |
| [Chaffin Water Well Service](/driller/chaffin-water-well-service.md) | 3 | 150 | 50 | 2023 |
| [INDEPENDENT WATER WELL SERVICE](/driller/independent-water-well-service.md) | 3 | 94 | 75 | 2018–2020 |
| [Chaffin Water Wells](/driller/chaffin-water-wells.md) | 3 | 150 | 300 | 2016–2019 |
| [Mathers Environmental Drilling Inc.](/driller/mathers-environmental-drilling-inc.md) | 3 | 55 | — | 2016 |
| [Brien Water Wells](/driller/brien-water-wells.md) | 3 | 102 | 450 | 2013–2014 |
| [J & S Water Wells](/driller/j-s-water-wells.md) | 3 | 210 | 120 | 2005–2013 |
| [A.W. Flentge Service](/driller/a-w-flentge-service.md) | 3 | 135 | 70 | 2009–2011 |
| [Burleson Services, Inc.](/driller/burleson-services-inc.md) | 3 | 170 | 100 | 2005–2008 |
| [O'Day Drilling Company, Inc.](/driller/o-day-drilling-company-inc.md) | 3 | 190 | 100 | 2003–2004 |
| [G.W.Davis Water Well Co LLC](/driller/g-w-davis-water-well-co-llc.md) | 2 | 257 | 50 | 2021–2025 |
| [Busselman Water Wells, LLC](/driller/busselman-water-wells-llc.md) | 2 | 185 | 80 | 2024 |
| [Evans Drilling](/driller/evans-drilling.md) | 2 | 120 | 60 | 2012 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 84 | 50.6% | 140 |
| Stock | 30 | 18.1% | 140 |
| Rig Supply | 20 | 12.0% | 150 |
| Irrigation | 13 | 7.8% | 180 |
| Monitor | 10 | 6.0% | 50 |
| Environmental Soil Boring | 6 | 3.6% | 45 |
| Industrial | 2 | 1.2% | 210 |
| Public Supply | 1 | 0.6% | 192 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 39 | 140 | 30 |
| 2010s | 70 | 140 | 35 |
| 2020s | 57 | 135 | 40 |

### The deepest reports on file

*Deepest reports in state well grid 66-38. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 561999 | 2020 | 2,185 | 160 | 50 | Domestic |
| 219316 | 2010 | 380 | 28 | — | Irrigation |
| 210145 | 2010 | 376 | — | — | Irrigation |
| 621151 | 2022 | 305 | 45 | 60 | Domestic |
| 199607 | 2009 | 298 | 26 | 80 | Stock |
| 562995 | 2020 | 297 | 33 | — | Domestic |
| 633989 | 2023 | 295 | 36 | 250 | Irrigation |
| 113141 | 2007 | 285 | 24 | 62 | Domestic |
| 390081 | 2015 | 280 | 35 | 80 | Stock |
| 280293 | 2012 | 280 | 23 | — | Stock |

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 66-38?

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).

### Grids with a comparable number of reports

- [23-11](/area/23-11.md)
- [33-25](/area/33-25.md)
- [39-47](/area/39-47.md)
- [41-07](/area/41-07.md)
- [43-43](/area/43-43.md)
- [59-07](/area/59-07.md)
- [61-41](/area/61-41.md)
- [67-35](/area/67-35.md)
- [87-21](/area/87-21.md)
- [27-47](/area/27-47.md)
- [29-18](/area/29-18.md)
- [37-29](/area/37-29.md)
- [39-40](/area/39-40.md)

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Página: https://texas-water-wells.pages.dev/area/66-38/
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