# Well grid 66-42, Texas — Lavaca — how deep, and through what

> 169 well reports in Texas state well grid 66-42, covering Lavaca. Median depth 190 ft.

## Texas well grid 66-42

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Lavaca County](/county/lavaca.md). **169** reports, median depth **190 ft**.

### What you will drill through in grid 66-42

*Logged in state well grid 66-42, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Clay** 72 , **Sand** 57 , **Top Soil** 24 , **Surface** 18 , **Surface Soil** 15 , **Yellow Clay** 15 |
| 25–50 ft | **Clay** 28 , **Sand** 28 , **Ft. Clay** 4 , **Clay-Sandstone** 3 , **Sandy Clay** 3 , **Gravel** 2 |
| 50–100 ft | **Clay** 62 , **Sand** 42 , **Sandstone** 8 , **Sand-Sandstone** 8 , **Red Clay** 5 , **Sandy Clay** 5 |
| 100–200 ft | **Clay** 80 , **Sand** 48 , **Red Clay** 14 , **Coarse Sand** 11 , **Ft. Sand** 6 , **Sand-Sandstone** 6 |
| 200–300 ft | **Clay** 17 , **Sand** 15 , **Sandstone** 1 , **Coarse Sand** 3 , **Sand (M-C)** 1 , **Shale** 2 |
| 300–500 ft | **Clay** 3 , **Sandstone** 1 , **Rock & Red Clay** 1 , **Blue Clay** 1 , **Sand** 1 , **Gravel** 1 |
| 500–1000 ft | **Clay** 1 , **Hard** 1 , **Sand/Grave** 1 , **Sand/Gravel** 1 |

### Who drills here

*Licensed firms in state well grid 66-42, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [CHANDLER DRILLING INC](/driller/chandler-drilling-inc.md) | 72 | 168 | 50 | 2003–2026 |
| [Friedel Drilling Company](/driller/friedel-drilling-company.md) | 26 | 187 | 50 | 2002–2026 |
| [Burleson Services, Inc.](/driller/burleson-services-inc.md) | 21 | 240 | 90 | 2003–2010 |
| [Joe Ferguson Water Well Drilling, Inc.](/driller/joe-ferguson-water-well-drilling-inc.md) | 11 | 190 | — | 2007–2022 |
| [Everett Carroll Water Well Service](/driller/everett-carroll-water-well-service.md) | 8 | 180 | 60 | 2004–2007 |
| [Joe Ferguson Drilling, Inc.](/driller/joe-ferguson-drilling-inc.md) | 6 | 200 | — | 2003–2006 |
| [Cobra Water Well Drilling, LLC.](/driller/cobra-water-well-drilling-llc.md) | 4 | 190 | 80 | 2011–2017 |
| [J & S Water Wells](/driller/j-s-water-wells.md) | 3 | 210 | 80 | 2006–2009 |
| [Berry Water Well Service](/driller/berry-water-well-service.md) | 3 | 220 | 70 | 2009–2010 |
| [leeper w.w.](/driller/leeper-w-w.md) | 3 | 163 | 30 | 2006 |
| [Maresh Drilling Co., Inc.](/driller/maresh-drilling-co-inc.md) | 2 | 200 | 70 | 2010–2022 |
| [dba Universal Drilling Services](/driller/dba-universal-drilling-services.md) | 2 | — | — | 2005 |
| [Texas Southern Drilling](/driller/texas-southern-drilling.md) | 1 | 205 | 25 | 2025 |
| [Kight Water Well Service](/driller/kight-water-well-service.md) | 1 | 205 | 60 | 2022 |
| [Rangnow Water Well Service](/driller/rangnow-water-well-service.md) | 1 | 285 | 100 | 2013 |
| [Vrana Well Service Inc.](/driller/vrana-well-service-inc.md) | 1 | 240 | 60 | 2004 |
| [Cady's Water wells](/driller/cady-s-water-wells.md) | 1 | 183 | 50 | 2009 |
| Friedel Drillling Company | 1 | — | 70 | 2009 |
| [Crowell Drilling Company, Inc.](/driller/crowell-drilling-company-inc.md) | 1 | 766 | — | 2006 |
| Everett Carroll Water Well Serv. | 1 | 200 | — | 2003 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 102 | 60.4% | 180 |
| Rig Supply | 37 | 21.9% | 220 |
| Stock | 17 | 10.1% | 181 |
| Industrial | 10 | 5.9% | 200 |
| Monitor | 2 | 1.2% | — |
| Irrigation | 1 | 0.6% | 766 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 83 | 200 | 66 |
| 2010s | 41 | 181 | 75 |
| 2020s | 45 | 179 | 74 |

### The deepest reports on file

*Deepest reports in state well grid 66-42. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 84772 | 2006 | 766 | 110 | — | Irrigation |
| 531000 | 2019 | 362 | — | 90 | Rig Supply |
| 182085 | 2006 | 360 | 50 | 90 | Rig Supply |
| 160188 | 2008 | 340 | — | — | Rig Supply |
| 192097 | 2005 | 320 | 70 | 100 | Rig Supply |
| 729874 | 2026 | 310 | 111 | 80 | Stock |
| 676156 | 2024 | 300 | 92 | 100 | Stock |
| 182469 | 2004 | 300 | 60 | 100 | Rig Supply |
| 617326 | 2022 | 289 | 110 | 120 | Domestic |
| 349080 | 2013 | 285 | 98 | 100 | Rig Supply |

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 66-42?

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).

### Grids with a comparable number of reports

- [31-44](/area/31-44.md)
- [34-13](/area/34-13.md)
- [34-28](/area/34-28.md)
- [40-59](/area/40-59.md)
- [44-52](/area/44-52.md)
- [53-01](/area/53-01.md)
- [61-29](/area/61-29.md)
- [10-44](/area/10-44.md)
- [19-48](/area/19-48.md)
- [37-10](/area/37-10.md)
- [43-22](/area/43-22.md)
- [49-31](/area/49-31.md)
- [64-11](/area/64-11.md)

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Página: https://texas-water-wells.pages.dev/area/66-42/
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