# Well grid 66-26, Texas — Lavaca, Colorado — how deep, and through what

> 250 well reports in Texas state well grid 66-26, covering Lavaca, Colorado, Calhoun. Median depth 182 ft.

## Texas well grid 66-26

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Lavaca County](/county/lavaca.md) and [Colorado County](/county/colorado.md). **250** reports, median depth **182 ft**.

### What you will drill through in grid 66-26

*Logged in state well grid 66-26, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Clay** 77 , **Top Soil** 46 , **Surface** 38 , **Tan Clay** 22 , **Sand** 21 , **Sandstone** 15 |
| 25–50 ft | **Clay** 28 , **Sandstone** 11 , **Sand** 12 , **Tan Clay** 12 , **Brown Sand** 8 , **Brown Sand-Sandstone** 6 |
| 50–100 ft | **Clay** 58 , **Sand** 20 , **Brown Sand** 11 , **Tan Clay** 11 , **Rock** 7 , **Sandstone** 9 |
| 100–200 ft | **Clay** 68 , **Sand** 34 , **Tan Clay** 14 , **Rock** 10 , **Brown Sand-Sandstone (F)** 8 , **Tan Sand And Layered Rock** 6 |
| 200–300 ft | **Clay** 20 , **Sand** 14 , **Brown Sand** 4 , **Tan Clay** 4 , **Rock** 4 , **Sandrock** 2 |
| 300–500 ft | **Clay** 4 , **Sand & Rock** 1 , **Clay & Rock** 1 , **Sand** 1 , **Sand Coarse** 1 , **Gray Sand W/ Shale** 1 |
| 500–1000 ft | **Sand & Rock** 1 , **Clay & Rock** 1 |

### Who drills here

*Licensed firms in state well grid 66-26, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [CHANDLER DRILLING INC](/driller/chandler-drilling-inc.md) | 66 | 172 | 35 | 2003–2026 |
| [Vrana Well Service Inc.](/driller/vrana-well-service-inc.md) | 53 | 153 | 30 | 2004–2024 |
| [Friedel Drilling Company](/driller/friedel-drilling-company.md) | 35 | 215 | 60 | 2003–2025 |
| [Maresh Drilling Co., Inc.](/driller/maresh-drilling-co-inc.md) | 14 | 190 | 40 | 2002–2025 |
| [Neuendorff's Water Well Service, Inc.](/driller/neuendorff-s-water-well-service-inc.md) | 9 | 205 | 45 | 2016–2025 |
| [Texas Southern Drilling](/driller/texas-southern-drilling.md) | 7 | 245 | 25 | 2022–2025 |
| [Neuendorff's Water Well Svc., Inc.](/driller/neuendorff-s-water-well-svc-inc.md) | 7 | 178 | 20 | 2004–2013 |
| [Busselman Water Wells, LLC](/driller/busselman-water-wells-llc.md) | 6 | 185 | 65 | 2025–2026 |
| [WB Southern Drilling LLC](/driller/wb-southern-drilling-llc.md) | 6 | 188 | 75 | 2023–2024 |
| [Vrana Well Serv. Inc.](/driller/vrana-well-serv-inc.md) | 6 | 206 | 25 | 2004–2013 |
| [Cobra Water Well Drilling, LLC.](/driller/cobra-water-well-drilling-llc.md) | 4 | 250 | 90 | 2011–2023 |
| [Skutca Water Well](/driller/skutca-water-well.md) | 4 | 146 | 30 | 2007–2014 |
| Vrana's Well Service Inc. | 4 | — | 70 | 2010–2011 |
| [Burleson Services, Inc.](/driller/burleson-services-inc.md) | 4 | 220 | 80 | 2007–2010 |
| [J & S Water Wells](/driller/j-s-water-wells.md) | 4 | 250 | 100 | 2004–2009 |
| [BEST DRILLING SERVICES, INC.](/driller/best-drilling-services-inc.md) | 4 | 60 | — | 2007 |
| [Rangnow Water Well Service](/driller/rangnow-water-well-service.md) | 3 | 215 | 30 | 2007–2008 |
| Everett Carroll Water Well Service & Drilling Co. | 2 | 130 | 35 | 2003 |
| Meyer water well drilling | 1 | 343 | — | 2021 |
| [Ondrey Water Well Service](/driller/ondrey-water-well-service.md) | 1 | 320 | — | 2014 |
| [Lone Star Drilling & Pump Service](/driller/lone-star-drilling-pump-service.md) | 1 | 203 | 25 | 2014 |
| [B & L Water Well Service,Inc.](/driller/b-l-water-well-service-inc.md) | 1 | — | 85 | 2014 |
| [Ball Drilling Company](/driller/ball-drilling-company.md) | 1 | 230 | 50 | 2012 |
| [Berry Water Well Service](/driller/berry-water-well-service.md) | 1 | 310 | 15 | 2010 |
| [Richter Well Drilling, Inc.](/driller/richter-well-drilling-inc.md) | 1 | 210 | 70 | 2005 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 205 | 82.0% | 180 |
| Stock | 24 | 9.6% | 203 |
| Rig Supply | 12 | 4.8% | 262 |
| Industrial | 4 | 1.6% | 250 |
| Monitor | 4 | 1.6% | 60 |
| Other | 1 | 0.4% | 205 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 89 | 164 | 69 |
| 2010s | 94 | 180 | 80 |
| 2020s | 67 | 200 | 91 |

### The deepest reports on file

*Deepest reports in state well grid 66-26. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 176534 | 2009 | 570 | 95 | 140 | Industrial |
| 369059 | 2014 | 450 | 140 | 10 | Domestic |
| 337311 | 2013 | 401 | 157 | 20 | Domestic |
| 127200 | 2007 | 393 | — | — | Domestic |
| 649165 | 2021 | 343 | — | — | Domestic |
| 715696 | 2026 | 342 | 122 | 80 | Stock |
| 135851 | 2007 | 342 | 25 | 30 | Domestic |
| 399035 | 2015 | 323 | 80 | 15 | Domestic |
| 444101 | 2017 | 320 | — | — | Rig Supply |
| 433370 | 2016 | 320 | — | — | 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 66-26?

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), [Calhoun County](/county/calhoun.md), [Fort Bend County](/county/fort-bend.md), [Callahan County](/county/callahan.md).

### Grids with a comparable number of reports

- [32-27](/area/32-27.md)
- [56-15](/area/56-15.md)
- [58-01](/area/58-01.md)
- [32-45](/area/32-45.md)
- [64-02](/area/64-02.md)
- [68-46](/area/68-46.md)
- [26-08](/area/26-08.md)
- [06-02](/area/06-02.md)
- [67-61](/area/67-61.md)
- [68-34](/area/68-34.md)
- [79-23](/area/79-23.md)
- [42-54](/area/42-54.md)
- [24-31](/area/24-31.md)

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Página: https://texas-water-wells.pages.dev/area/66-26/
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