# Well grid 66-30, Texas — Colorado, Wharton — how deep, and through what

> 259 well reports in Texas state well grid 66-30, covering Colorado, Wharton. Median depth 144 ft.

## Texas well grid 66-30

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Colorado County](/county/colorado.md) and [Wharton County](/county/wharton.md). **259** reports, median depth **144 ft**.

### What you will drill through in grid 66-30

*Logged in state well grid 66-30, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Clay** 62 , **Top Soil** 62 , **Sand & Gravel** 54 , **Topsoil** 49 , **White Clay** 27 , **Sand** 26 |
| 25–50 ft | **Clay** 34 , **Sand** 18 , **Red Clay** 15 , **Sand & Gravel** 14 , **Gravel** 11 , **White Clay** 7 |
| 50–100 ft | **Sand** 35 , **Clay** 25 , **Sand & Gravel** 22 , **White Clay** 19 , **Rock** 18 , **Red & White Clay** 14 |
| 100–200 ft | **Sand** 49 , **Rock** 36 , **Clay** 36 , **White Clay** 24 , **Sand & Gravel** 21 , **Sand & Rock** 16 |
| 200–300 ft | **Sand** 25 , **Clay** 18 , **Rock** 6 , **Sand & Rock** 3 , **White Clay** 4 , **Sand & Clay** 4 |
| 300–500 ft | **Sand** 18 , **Clay** 21 , **Sand & Rocks** 7 , **Clay & Rocks** 3 , **Sand & Clay** 3 , **Sand & Gravel** 2 |
| 500–1000 ft | **Sand** 17 , **Clay** 14 , **Sand & Rocks** 5 , **Shale** 5 , **Sand & Clay** 4 , **Shale & Rocks** 3 |
| 1000–5000 ft | **Clay** 1 |

### Who drills here

*Licensed firms in state well grid 66-30, 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) | 71 | 140 | 60 | 2015–2026 |
| [Neuendorff's Water Well Svc., Inc.](/driller/neuendorff-s-water-well-svc-inc.md) | 39 | 144 | 60 | 2003–2014 |
| [Cady's Water wells](/driller/cady-s-water-wells.md) | 20 | 175 | 100 | 2014–2026 |
| [Texas Southern Drilling](/driller/texas-southern-drilling.md) | 17 | 165 | 30 | 2020–2026 |
| [J&S WATER WELLS](/driller/j-s-water-wells.md) | 17 | 840 | 80 | 2004–2023 |
| [Weisinger Incorporated](/driller/weisinger-incorporated.md) | 10 | 900 | 150 | 2012–2013 |
| [Busselman Water Wells, LLC](/driller/busselman-water-wells-llc.md) | 8 | 165 | 86 | 2023–2025 |
| [Burleson Services, Inc.](/driller/burleson-services-inc.md) | 7 | 140 | 100 | 2003–2008 |
| [Bluebonnet Water Wells](/driller/bluebonnet-water-wells.md) | 6 | 155 | 45 | 2024–2025 |
| [Brien Water Wells](/driller/brien-water-wells.md) | 5 | 105 | 800 | 2009–2013 |
| [W.E.S.T. Drilling](/driller/w-e-s-t-drilling.md) | 5 | 20 | — | 2008 |
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 4 | 15 | — | 2011 |
| [CHANDLER DRILLING INC](/driller/chandler-drilling-inc.md) | 3 | 152 | — | 2009–2017 |
| [J&S WATER WELLS - PRIMO TREJO](/driller/j-s-water-wells-primo-trejo.md) | 3 | — | 100 | 2010–2014 |
| [BEST DRILLING SERVICES, INC.](/driller/best-drilling-services-inc.md) | 3 | 22 | — | 2006–2011 |
| [Everett Carroll Water Well Service](/driller/everett-carroll-water-well-service.md) | 3 | 120 | 80 | 2004–2008 |
| [Bussell & Sons LLC](/driller/bussell-sons-llc.md) | 2 | 191 | 60 | 2009–2026 |
| [Bell's Drilling Service](/driller/bell-s-drilling-service.md) | 2 | 140 | — | 2020–2025 |
| [Chaffin Water Well Service](/driller/chaffin-water-well-service.md) | 2 | 213 | 55 | 2023 |
| [G.W.Davis Water Well Co LLC](/driller/g-w-davis-water-well-co-llc.md) | 2 | 170 | 30 | 2023 |
| [Kight Water Well Service](/driller/kight-water-well-service.md) | 2 | 106 | — | 2021 |
| [J&S WATER WELLS - JOHN RICHARDSON](/driller/j-s-water-wells-john-richardson.md) | 2 | 1,024 | — | 2012–2014 |
| [J&S WATER WELLS - MONTE RICHARDSON](/driller/j-s-water-wells-monte-richardson.md) | 2 | 270 | 100 | 2011–2014 |
| [Austin County Water Well](/driller/austin-county-water-well.md) | 2 | 250 | 40 | 2003–2005 |
| [TIM FRANKS WATER WELL SERVICE](/driller/tim-franks-water-well-service.md) | 1 | 165 | 45 | 2025 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 149 | 57.5% | 140 |
| Irrigation | 38 | 14.7% | 520 |
| Rig Supply | 29 | 11.2% | 160 |
| Stock | 18 | 6.9% | 130 |
| Industrial | 10 | 3.9% | 230 |
| Monitor | 6 | 2.3% | 20 |
| Environmental Soil Boring | 4 | 1.5% | 15 |
| Test Well | 3 | 1.2% | 22 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 53 | 143 | 26 |
| 2010s | 94 | 150 | 41 |
| 2020s | 112 | 140 | 36 |

### The deepest reports on file

*Deepest reports in state well grid 66-30. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 313460 | 2013 | 1,035 | 17 | — | Irrigation |
| 327467 | 2012 | 1,024 | 66 | — | Industrial |
| 414427 | 2016 | 1,020 | 53 | — | Irrigation |
| 391982 | 2015 | 1,010 | 65 | 100 | Rig Supply |
| 396876 | 2015 | 1,000 | 65 | — | Irrigation |
| 328162 | 2012 | 1,000 | 165 | — | Irrigation |
| 316137 | 2013 | 1,000 | 28 | 2,000 | Irrigation |
| 347046 | 2013 | 910 | 25 | — | Irrigation |
| 279736 | 2012 | 910 | 25 | — | Irrigation |
| 339195 | 2013 | 900 | 30 | — | 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 66-30?

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 [Colorado County](/county/colorado.md), [Wharton County](/county/wharton.md).

### Grids with a comparable number of reports

- [67-59](/area/67-59.md)
- [70-42](/area/70-42.md)
- [31-61](/area/31-61.md)
- [34-41](/area/34-41.md)
- [56-64](/area/56-64.md)
- [60-20](/area/60-20.md)
- [60-56](/area/60-56.md)
- [16-49](/area/16-49.md)
- [32-37](/area/32-37.md)
- [34-56](/area/34-56.md)
- [83-33](/area/83-33.md)
- [28-09](/area/28-09.md)
- [44-12](/area/44-12.md)

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Página: https://texas-water-wells.pages.dev/area/66-30/
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