# Well grid 66-35, Texas — Lavaca, Colorado — how deep, and through what

> 213 well reports in Texas state well grid 66-35, covering Lavaca, Colorado, DeWitt. Median depth 185 ft.

## Texas well grid 66-35

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Lavaca County](/county/lavaca.md) and [Colorado County](/county/colorado.md). **213** reports, median depth **185 ft**.

### What you will drill through in grid 66-35

*Logged in state well grid 66-35, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Sand** 69 , **Clay** 74 , **Top Soil** 23 , **Red Clay** 17 , **Surface Sand** 12 , **Sandy Topsoil** 11 |
| 25–50 ft | **Sand** 44 , **Clay** 31 , **White Clay** 5 , **Red Clay** 4 , **Tan Sand** 4 , **Brown Sand** 4 |
| 50–100 ft | **Clay** 52 , **Sand** 51 , **White Clay** 14 , **Red Clay** 12 , **Sandstone** 9 , **Brown Sand** 7 |
| 100–200 ft | **Clay** 81 , **Sand** 59 , **Rock** 14 , **White Clay** 13 , **Red Clay** 12 , **Tan Clay** 10 |
| 200–300 ft | **Sand** 19 , **Clay** 20 , **Red Clay** 9 , **Rock** 7 , **Tan Clay** 5 , **Shale** 4 |
| 300–500 ft | **Shale** 3 , **Clay** 3 , **Sand** 2 , **Sand Mix** 1 , **Shale & Clay** 1 , **Sandstone** 1 |
| 500–1000 ft | **Sand** 1 , **Clay** 1 |

### Who drills here

*Licensed firms in state well grid 66-35, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [CHANDLER DRILLING INC](/driller/chandler-drilling-inc.md) | 72 | 175 | 60 | 2003–2025 |
| [Neuendorff's Water Well Svc., Inc.](/driller/neuendorff-s-water-well-svc-inc.md) | 21 | 210 | 50 | 2003–2014 |
| [Neuendorff's Water Well Service, Inc.](/driller/neuendorff-s-water-well-service-inc.md) | 19 | 150 | 60 | 2015–2026 |
| [Friedel Drilling Company](/driller/friedel-drilling-company.md) | 19 | 194 | 60 | 2003–2023 |
| [Vrana Well Service Inc.](/driller/vrana-well-service-inc.md) | 13 | 236 | 100 | 2006–2025 |
| [Texas Southern Drilling](/driller/texas-southern-drilling.md) | 6 | 245 | 23 | 2021–2026 |
| [Skutca Water Well](/driller/skutca-water-well.md) | 6 | 157 | 50 | 2002–2018 |
| [Envirotech Drilling Services LLC](/driller/envirotech-drilling-services-llc.md) | 5 | 50 | — | 2015–2025 |
| [Joe Ferguson Water Well Drilling, Inc.](/driller/joe-ferguson-water-well-drilling-inc.md) | 5 | 240 | — | 2004–2016 |
| [WB Southern Drilling LLC](/driller/wb-southern-drilling-llc.md) | 4 | 240 | 100 | 2023–2026 |
| [Maresh Drilling Co., Inc.](/driller/maresh-drilling-co-inc.md) | 4 | 210 | 70 | 2003–2022 |
| [Cobra Water Well Drilling, LLC.](/driller/cobra-water-well-drilling-llc.md) | 4 | 210 | 90 | 2013–2014 |
| [Joe Ferguson Drilling, Inc.](/driller/joe-ferguson-drilling-inc.md) | 4 | 300 | — | 2003–2006 |
| [J&S WATER WELLS](/driller/j-s-water-wells.md) | 3 | 772 | 150 | 2009–2020 |
| [C & S UTESEY WATER WELL SERVICE & DRILLING, L.L.C.](/driller/c-s-utesey-water-well-service-drilling-l-l-c.md) | 2 | 220 | 140 | 2015–2018 |
| [Chaffin Water Well Service](/driller/chaffin-water-well-service.md) | 2 | 315 | 100 | 2007–2015 |
| [Geophysical Drilling, Inc.](/driller/geophysical-drilling-inc.md) | 2 | — | 80 | 2007–2014 |
| [Bussell & Sons LLC](/driller/bussell-sons-llc.md) | 2 | 195 | 50 | 2009 |
| [Burleson Services, Inc.](/driller/burleson-services-inc.md) | 2 | 260 | 100 | 2003–2009 |
| [Vrana Well Serv. Inc.](/driller/vrana-well-serv-inc.md) | 2 | 238 | 80 | 2003–2006 |
| [J4 Water Works, LLC](/driller/j4-water-works-llc.md) | 1 | 260 | 45 | 2026 |
| [Busselman Water Wells, LLC](/driller/busselman-water-wells-llc.md) | 1 | 185 | 40 | 2025 |
| [G.W.Davis Water Well Co LLC](/driller/g-w-davis-water-well-co-llc.md) | 1 | 235 | 40 | 2025 |
| [Ricky Bonds Water Wells](/driller/ricky-bonds-water-wells.md) | 1 | 175 | 25 | 2019 |
| [Nickel Water Well Service](/driller/nickel-water-well-service.md) | 1 | 142 | 35 | 2016 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 159 | 74.6% | 184 |
| Stock | 23 | 10.8% | 220 |
| Irrigation | 8 | 3.8% | 245 |
| Public Supply | 6 | 2.8% | 300 |
| Rig Supply | 6 | 2.8% | 265 |
| Industrial | 6 | 2.8% | 260 |
| Monitor | 5 | 2.3% | 50 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 83 | 186 | 65 |
| 2010s | 71 | 175 | 66 |
| 2020s | 59 | 194 | 77 |

### The deepest reports on file

*Deepest reports in state well grid 66-35. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 549086 | 2020 | 772 | 167 | 300 | Public Supply |
| 170221 | 2009 | 380 | 100 | 75 | Domestic |
| 160520 | 2008 | 378 | 97 | — | Stock |
| 482425 | 2018 | 375 | 144 | 50 | Domestic |
| 215604 | 2010 | 322 | 105 | 60 | Domestic |
| 667889 | 2024 | 315 | 122 | 60 | Domestic |
| 194687 | 2007 | 315 | 117 | 100 | Domestic |
| 715175 | 2025 | 304 | 125 | 100 | Stock |
| 679245 | 2024 | 300 | 92 | 200 | Public Supply |
| 211113 | 2005 | 300 | — | — | 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 66-35?

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 [Lavaca County](/county/lavaca.md), [Colorado County](/county/colorado.md), [DeWitt County](/county/dewitt.md), [Wharton County](/county/wharton.md).

### Grids with a comparable number of reports

- [66-10](/area/66-10.md)
- [14-60](/area/14-60.md)
- [19-27](/area/19-27.md)
- [24-16](/area/24-16.md)
- [24-47](/area/24-47.md)
- [56-07](/area/56-07.md)
- [58-54](/area/58-54.md)
- [06-46](/area/06-46.md)
- [12-01](/area/12-01.md)
- [34-48](/area/34-48.md)
- [44-45](/area/44-45.md)
- [43-52](/area/43-52.md)
- [62-25](/area/62-25.md)

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Página: https://texas-water-wells.pages.dev/area/66-35/
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