# Well grid 66-09, Texas — Fayette — how deep, and through what

> 220 well reports in Texas state well grid 66-09, covering Fayette. Median depth 240 ft.

## Texas well grid 66-09

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Fayette County](/county/fayette.md). **220** reports, median depth **240 ft**.

### What you will drill through in grid 66-09

*Logged in state well grid 66-09, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Tan Clay** 34 , **Clay** 27 , **Top Soil** 27 , **Black Clay** 27 , **White Clay** 22 , **Black Gumbo** 16 |
| 25–50 ft | **Tan Clay** 12 , **White Clay** 11 , **Blue Clay** 8 , **Sand** 5 , **Clay** 5 , **Sand & Rock** 4 |
| 50–100 ft | **Tan Clay** 20 , **White Clay** 13 , **Sand** 11 , **Blue Clay** 10 , **Clay** 8 , **Gray Clay** 7 |
| 100–200 ft | **Blue Clay** 20 , **Sand** 23 , **Tan Clay** 17 , **Clay** 14 , **Shale** 12 , **Gray Sand** 6 |
| 200–300 ft | **Blue Clay** 12 , **Sand** 13 , **Shale** 9 , **Rock** 7 , **Gray Clay** 4 , **Clay** 6 |
| 300–500 ft | **Shale** 6 , **Sand** 7 , **Gray Clay** 4 , **Gray Sand** 4 , **Clay** 4 , **Gray Sand & Layered Rock** 5 |
| 500–1000 ft | **Sand** 5 , **Hard Shale** 3 , **Shale** 4 , **Clay** 2 , **Sand & Rocks** 2 , **Sandy Shale** 2 |
| 1000–5000 ft | **Shale** 2 , **Sand** 1 , **Hard Shale** 1 , **Sand & Rocks** 1 , **Hard Shale & Rocks** 1 , **Shale Brown** 1 |

### Who drills here

*Licensed firms in state well grid 66-09, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Richter Well Drilling, Inc.](/driller/richter-well-drilling-inc.md) | 42 | 304 | 65 | 2003–2026 |
| [Maresh Drilling Co., Inc.](/driller/maresh-drilling-co-inc.md) | 31 | 260 | 60 | 2004–2024 |
| [Vrana Well Service Inc.](/driller/vrana-well-service-inc.md) | 29 | 216 | 35 | 2003–2022 |
| [Neuendorff's Water Well Service, Inc.](/driller/neuendorff-s-water-well-service-inc.md) | 12 | 200 | 35 | 2019–2026 |
| [J&S WATER WELLS](/driller/j-s-water-wells.md) | 12 | 1,060 | 120 | 2005–2018 |
| [Envirotech Drilling Services LLC](/driller/envirotech-drilling-services-llc.md) | 10 | 20 | — | 2025 |
| [Friedel Drilling Company](/driller/friedel-drilling-company.md) | 8 | 183 | 45 | 2013–2024 |
| [Diggs Drilling Co Inc](/driller/diggs-drilling-co-inc.md) | 8 | 220 | 35 | 2003–2016 |
| [Neuendorff's Water Well Svc., Inc.](/driller/neuendorff-s-water-well-svc-inc.md) | 8 | 163 | 30 | 2004–2012 |
| [Cobra Water Well Drilling, LLC.](/driller/cobra-water-well-drilling-llc.md) | 6 | 240 | 18 | 2023–2024 |
| [Texas Southern Drilling](/driller/texas-southern-drilling.md) | 5 | 346 | 40 | 2024–2026 |
| [CHANDLER DRILLING INC](/driller/chandler-drilling-inc.md) | 4 | 300 | 40 | 2022–2026 |
| [J & S Water Wells - John Richardson](/driller/j-s-water-wells-john-richardson.md) | 4 | — | 120 | 2010–2011 |
| [WB Southern Drilling LLC](/driller/wb-southern-drilling-llc.md) | 3 | 410 | 40 | 2023–2026 |
| [Busselman Water Wells, LLC](/driller/busselman-water-wells-llc.md) | 3 | 180 | 20 | 2024 |
| [Washington Cnty Water Well Drilling](/driller/washington-cnty-water-well-drilling.md) | 3 | 269 | 15 | 2014 |
| [J & S Water Wells - Primo Trejo](/driller/j-s-water-wells-primo-trejo.md) | 3 | — | 120 | 2011 |
| [Vrana Well Serv. Inc.](/driller/vrana-well-serv-inc.md) | 3 | 240 | 55 | 2003–2004 |
| [Bluebonnet Water Wells](/driller/bluebonnet-water-wells.md) | 2 | 245 | 35 | 2025–2026 |
| [Washington County Water Well Drilling](/driller/washington-county-water-well-drilling.md) | 2 | 382 | 40 | 2005–2010 |
| [Washington County Water Well](/driller/washington-county-water-well.md) | 2 | 231 | 100 | 2003 |
| [Zavala Drilling, CO](/driller/zavala-drilling-co.md) | 1 | 420 | — | 2022 |
| [Jackson Water Well](/driller/jackson-water-well.md) | 1 | 300 | 45 | 2020 |
| Wicks Water Well | 1 | 210 | — | 2018 |
| J D Diggs Drlg Co Inc | 1 | 80 | 15 | 2010 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 174 | 79.1% | 244 |
| Industrial | 16 | 7.3% | 590 |
| Stock | 14 | 6.4% | 260 |
| Environmental Soil Boring | 10 | 4.5% | 20 |
| Irrigation | 4 | 1.8% | 1,055 |
| Rig Supply | 2 | 0.9% | 1,070 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 58 | 240 | 85 |
| 2010s | 82 | 265 | 98 |
| 2020s | 80 | 240 | 96 |

### The deepest reports on file

*Deepest reports in state well grid 66-09. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 497333 | 2018 | 1,070 | 170 | 120 | Rig Supply |
| 462432 | 2017 | 1,060 | 120 | 250 | Irrigation |
| 461030 | 2017 | 1,055 | 120 | 225 | Irrigation |
| 432213 | 2016 | 700 | — | — | Domestic |
| 267384 | 2011 | 700 | 174 | 80 | Stock |
| 189723 | 2009 | 651 | 163 | 40 | Domestic |
| 374612 | 2014 | 620 | 115 | 80 | Domestic |
| 727139 | 2026 | 612 | 144 | 30 | Domestic |
| 602043 | 2022 | 610 | 95 | 45 | Domestic |
| 326716 | 2011 | 590 | 150 | 80 | Industrial |

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 66-09?

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 [Fayette County](/county/fayette.md).

### Grids with a comparable number of reports

- [67-38](/area/67-38.md)
- [02-54](/area/02-54.md)
- [10-42](/area/10-42.md)
- [44-54](/area/44-54.md)
- [61-48](/area/61-48.md)
- [06-20](/area/06-20.md)
- [60-39](/area/60-39.md)
- [24-17](/area/24-17.md)
- [77-26](/area/77-26.md)
- [80-07](/area/80-07.md)
- [87-38](/area/87-38.md)
- [03-57](/area/03-57.md)
- [19-39](/area/19-39.md)

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Página: https://texas-water-wells.pages.dev/area/66-09/
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