# Well grid 66-29, Texas — Colorado — how deep, and through what

> 225 well reports in Texas state well grid 66-29, covering Colorado. Median depth 120 ft.

## Texas well grid 66-29

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Colorado County](/county/colorado.md). **225** reports, median depth **120 ft**.

### What you will drill through in grid 66-29

*Logged in state well grid 66-29, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Sand** 32 , **Topsoil** 41 , **Clay** 34 , **Top Soil** 29 , **Sand & Gravel** 29 , **No Recovery** 8 |
| 25–50 ft | **Rock** 20 , **Clay** 16 , **Sand & Gravel** 13 , **Gravel** 11 , **Sand** 11 , **Hard Rock** 4 |
| 50–100 ft | **Sand** 29 , **Clay** 19 , **Rock** 14 , **Red Clay** 14 , **Sand & Rock** 11 , **Sand & Rock Strks** 9 |
| 100–200 ft | **Sand** 50 , **Rock** 22 , **Tan Clay** 17 , **Clay** 17 , **White Clay** 10 , **Sand & Rock** 8 |
| 200–300 ft | **Sand** 9 , **Clay** 7 , **Tan Clay** 3 , **Red Clay** 2 , **Rock** 2 , **Sand & Rock** 2 |
| 300–500 ft | **Clay** 3 , **Sand & Rock** 1 , **Sand** 2 , **Sand & Rocks Mixed** 1 , **Sand & Rocks** 1 , **Clay & Hard Rocks** 1 |
| 500–1000 ft | **Clay** 1 , **Sand** 1 , **Sand & Rocks** 1 , **Clay & Rocks** 1 |

### Who drills here

*Licensed firms in state well grid 66-29, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 46 | 20 | — | 2013–2019 |
| [Neuendorff's Water Well Service, Inc.](/driller/neuendorff-s-water-well-service-inc.md) | 44 | 130 | 60 | 2008–2026 |
| [Neuendorff's Water Well Svc., Inc.](/driller/neuendorff-s-water-well-svc-inc.md) | 30 | 138 | 60 | 2003–2014 |
| [BEST DRILLING SERVICES, INC.](/driller/best-drilling-services-inc.md) | 19 | 28 | — | 2022 |
| [Texas Southern Drilling](/driller/texas-southern-drilling.md) | 14 | 130 | 50 | 2020–2025 |
| [Cady's Water wells](/driller/cady-s-water-wells.md) | 8 | 140 | 75 | 2013–2019 |
| [J&S WATER WELLS](/driller/j-s-water-wells.md) | 7 | 270 | 80 | 2007–2019 |
| [MARAL DRILLING](/driller/maral-drilling.md) | 6 | 160 | 30 | 2016–2019 |
| [Lewis Environmental Drilling, Inc.](/driller/lewis-environmental-drilling-inc.md) | 6 | 41 | — | 2010–2012 |
| [Burleson Services, Inc.](/driller/burleson-services-inc.md) | 4 | 190 | 100 | 2004–2007 |
| [Environmental Technology Group Inc.](/driller/environmental-technology-group-inc.md) | 4 | 40 | — | 2002 |
| [Scott Drilling Inc.](/driller/scott-drilling-inc.md) | 3 | 90 | 100 | 2018–2019 |
| [O'Day Drilling Company, Inc.](/driller/o-day-drilling-company-inc.md) | 3 | 148 | 55 | 2003–2019 |
| [CHANDLER DRILLING INC](/driller/chandler-drilling-inc.md) | 3 | 82 | 50 | 2005–2018 |
| [Skutca Water Well](/driller/skutca-water-well.md) | 3 | 125 | 30 | 2002–2011 |
| [Bluebonnet Water Wells](/driller/bluebonnet-water-wells.md) | 2 | 125 | 100 | 2024–2025 |
| [Busselman Water Wells, LLC](/driller/busselman-water-wells-llc.md) | 2 | 140 | 87 | 2024 |
| [Friedel Drilling Company](/driller/friedel-drilling-company.md) | 2 | 220 | 70 | 2021 |
| [Mesecke Water Well](/driller/mesecke-water-well.md) | 2 | 300 | 18 | 2013 |
| [Advanced Drilling Systems, Inc.](/driller/advanced-drilling-systems-inc.md) | 2 | — | — | 2007 |
| [Zavala Drilling, CO](/driller/zavala-drilling-co.md) | 1 | 210 | — | 2025 |
| [Kight Water Well Service](/driller/kight-water-well-service.md) | 1 | 200 | 80 | 2025 |
| [Dale's Water Wells](/driller/dale-s-water-wells.md) | 1 | 120 | 20 | 2022 |
| [Vortex Drilling Partners, LP](/driller/vortex-drilling-partners-lp.md) | 1 | 50 | — | 2020 |
| [Cobra Water Well Drilling, LLC.](/driller/cobra-water-well-drilling-llc.md) | 1 | 240 | 100 | 2019 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 102 | 45.3% | 134 |
| Monitor | 59 | 26.2% | 30 |
| Environmental Soil Boring | 20 | 8.9% | 15 |
| Stock | 15 | 6.7% | 136 |
| Industrial | 11 | 4.9% | 170 |
| Rig Supply | 9 | 4.0% | 220 |
| Public Supply | 4 | 1.8% | 244 |
| Other | 3 | 1.3% | 148 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 33 | 127 | 32 |
| 2010s | 127 | 103 | 35 |
| 2020s | 65 | 125 | 38 |

### The deepest reports on file

*Deepest reports in state well grid 66-29. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 369988 | 2014 | 730 | 75 | 800 | Industrial |
| 363899 | 2014 | 500 | 52 | 1,000 | Irrigation |
| 485321 | 2018 | 460 | 45 | 100 | Domestic |
| 343897 | 2013 | 370 | 45 | 800 | Industrial |
| 343901 | 2013 | 325 | 90 | 558 | Industrial |
| 275704 | 2011 | 322 | 54 | 80 | Domestic |
| 270178 | 2011 | 315 | 74 | 150 | Irrigation |
| 331149 | 2013 | 300 | 68 | 18 | Domestic |
| 242338 | 2010 | 300 | 43 | 75 | Domestic |
| 182928 | 2009 | 292 | 28 | — | Domestic |

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 66-29?

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).

### Grids with a comparable number of reports

- [44-34](/area/44-34.md)
- [62-01](/area/62-01.md)
- [67-09](/area/67-09.md)
- [83-20](/area/83-20.md)
- [27-22](/area/27-22.md)
- [39-53](/area/39-53.md)
- [44-21](/area/44-21.md)
- [10-63](/area/10-63.md)
- [32-46](/area/32-46.md)
- [57-46](/area/57-46.md)
- [02-47](/area/02-47.md)
- [02-62](/area/02-62.md)
- [28-28](/area/28-28.md)

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Página: https://texas-water-wells.pages.dev/area/66-29/
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
