# Well grid 66-64, Texas — Matagorda, Wharton — how deep, and through what

> 149 well reports in Texas state well grid 66-64, covering Matagorda, Wharton. Median depth 115 ft.

## Texas well grid 66-64

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Matagorda County](/county/matagorda.md) and [Wharton County](/county/wharton.md). **149** reports, median depth **115 ft**.

### What you will drill through in grid 66-64

*Logged in state well grid 66-64, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Clay** 28 , **Silty Clay, Drk. Brown** 23 , **Sand** 22 , **Silty Clay, Reddish Brown** 18 , **Topsoil** 17 , **Clay, Reddish Brown** 16 |
| 25–50 ft | **Clay** 15 , **Sand** 9 , **Red Clay** 6 , **Brown Clay** 4 , **Steaky Sand & Clay** 1 , **Loose Hard Grey Clay** 1 |
| 50–100 ft | **Sand** 28 , **Clay** 18 , **Red Clay** 6 , **Brown Clay** 3 , **Clay Red** 3 , **Medium-Course Brown Sand** 3 |
| 100–200 ft | **Clay** 18 , **Sand** 12 , **Red Clay** 8 , **Sand & Clay** 2 , **Brown Clay** 3 , **Gray Clay** 1 |
| 200–300 ft | **Sand** 17 , **Clay** 12 , **Red Clay** 2 , **Sand & Pea Gravel** 1 , **Sand & Pea Gravel .010** 1 , **Sand Grey .01-Peagravel** 1 |
| 300–500 ft | **Sand** 11 , **Clay** 10 , **Sand .008** 2 , **Sand & Pea Gravel .010** 1 , **Sand & Rocks** 1 , **Red Clay** 1 |
| 500–1000 ft | **Sand** 5 , **Clay** 6 , **Sandy Clay** 2 , **Shale** 1 , **Sand .010** 1 , **Sand & Clay** 1 |
| 1000–5000 ft | **Clay** 1 , **Sand & Clay** 1 |

### Who drills here

*Licensed firms in state well grid 66-64, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [BEST DRILLING SERVICES, INC.](/driller/best-drilling-services-inc.md) | 47 | 20 | — | 2010–2016 |
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 22 | — | — | 2011 |
| [Chaffin Water Well Service](/driller/chaffin-water-well-service.md) | 10 | 170 | 70 | 2020–2025 |
| [Felder Water Well & Pump Service, LLC](/driller/felder-water-well-pump-service-llc.md) | 10 | 136 | 300 | 2015–2020 |
| [CHAFFIN WATER WELL](/driller/chaffin-water-well.md) | 10 | 135 | 110 | 2009–2010 |
| [Cady's Water wells](/driller/cady-s-water-wells.md) | 7 | 95 | 100 | 2010–2017 |
| [Joe Ferguson Drilling, Inc.](/driller/joe-ferguson-drilling-inc.md) | 6 | 140 | — | 2004–2006 |
| [C & S UTESEY WATER WELL SERVICE & DRILLING, L.L.C.](/driller/c-s-utesey-water-well-service-drilling-l-l-c.md) | 5 | 150 | 107 | 2008–2015 |
| [Finch Water Well](/driller/finch-water-well.md) | 4 | 125 | 300 | 2012–2025 |
| [Goolsby Water Well Service LLC](/driller/goolsby-water-well-service-llc.md) | 3 | 250 | 100 | 2019–2024 |
| [Joe Ferguson Water Well Drilling, Inc.](/driller/joe-ferguson-water-well-drilling-inc.md) | 3 | 140 | — | 2009–2014 |
| [Kight Water Well Service](/driller/kight-water-well-service.md) | 2 | 120 | 175 | 2024 |
| [Chaffin Water Wells](/driller/chaffin-water-wells.md) | 2 | 120 | — | 2015 |
| [J&S WATER WELLS](/driller/j-s-water-wells.md) | 2 | 990 | 70 | 2008–2014 |
| [Burleson Services, Inc.](/driller/burleson-services-inc.md) | 2 | 380 | 90 | 2004–2006 |
| [O'Day Drilling Company, Inc.](/driller/o-day-drilling-company-inc.md) | 2 | 922 | 2,500 | 2004 |
| 3G Drilling | 1 | 140 | 700 | 2023 |
| [Critendon Drilling Service, Inc.](/driller/critendon-drilling-service-inc.md) | 1 | 86 | — | 2018 |
| [1st Choice Water Wells](/driller/1st-choice-water-wells.md) | 1 | 324 | 60 | 2015 |
| [Weisinger Incorporated](/driller/weisinger-incorporated.md) | 1 | 1,100 | — | 2013 |
| [Finch Water Well Service](/driller/finch-water-well-service.md) | 1 | — | 120 | 2012 |
| [B & L Water Well Service,Inc.](/driller/b-l-water-well-service-inc.md) | 1 | 160 | — | 2011 |
| [Chaffin Water Well Svc.](/driller/chaffin-water-well-svc.md) | 1 | 320 | 60 | 2008 |
| [Weisinger Water Well, Inc.](/driller/weisinger-water-well-inc.md) | 1 | 850 | — | 2009 |
| [CHANDLER DRILLING INC](/driller/chandler-drilling-inc.md) | 1 | 140 | — | 2008 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Irrigation | 29 | 19.5% | 135 |
| Monitor | 26 | 17.4% | 20 |
| Stock | 24 | 16.1% | 140 |
| Test Well | 22 | 14.8% | 21 |
| Environmental Soil Boring | 21 | 14.1% | 17 |
| Domestic | 14 | 9.4% | 150 |
| Rig Supply | 6 | 4.0% | 260 |
| Industrial | 6 | 4.0% | 140 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 25 | 140 | 15 |
| 2010s | 106 | 21 | 22 |
| 2020s | 18 | 150 | 33 |

### The deepest reports on file

*Deepest reports in state well grid 66-64. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 328138 | 2013 | 1,100 | 83 | — | Irrigation |
| 370669 | 2014 | 990 | 127 | — | Irrigation |
| 118590 | 2004 | 922 | 90 | 80 | Irrigation |
| 118588 | 2004 | 920 | 102 | 2,500 | Irrigation |
| 202745 | 2009 | 850 | 63 | — | Irrigation |
| 707064 | 2025 | 680 | 70 | 55 | Rig Supply |
| 712574 | 2025 | 540 | — | — | Irrigation |
| 235526 | 2010 | 480 | 67 | 40 | Domestic |
| 430593 | 2016 | 441 | 81 | 200 | Irrigation |
| 422534 | 2016 | 441 | 73 | 200 | 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 66-64?

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 [Matagorda County](/county/matagorda.md), [Wharton County](/county/wharton.md).

### Grids with a comparable number of reports

- [35-14](/area/35-14.md)
- [35-56](/area/35-56.md)
- [66-63](/area/66-63.md)
- [10-08](/area/10-08.md)
- [12-15](/area/12-15.md)
- [44-05](/area/44-05.md)
- [62-26](/area/62-26.md)
- [83-04](/area/83-04.md)
- [03-60](/area/03-60.md)
- [16-37](/area/16-37.md)
- [31-15](/area/31-15.md)
- [35-48](/area/35-48.md)
- [37-14](/area/37-14.md)

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Página: https://texas-water-wells.pages.dev/area/66-64/
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