# Well grid 81-03, Texas — Matagorda, Brazoria — how deep, and through what

> 263 well reports in Texas state well grid 81-03, covering Matagorda, Brazoria. Median depth 420 ft.

## Texas well grid 81-03

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Matagorda County](/county/matagorda.md) and [Brazoria County](/county/brazoria.md). **263** reports, median depth **420 ft**.

### What you will drill through in grid 81-03

*Logged in state well grid 81-03, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Clay** 122 , **Red Clay** 29 , **Sand** 19 , **Black Dirt** 12 , **Surface Soil** 11 , **Top Soil** 10 |
| 25–50 ft | **Sand** 22 , **Clay** 14 , **Red Clay** 3 , **Sand And Clay** 1 , **Gravel And Sand** 1 , **Clay, Sand Streak At 55'** 1 |
| 50–100 ft | **Sand** 87 , **Clay** 34 , **Red Clay** 15 , **Sand And Gravel** 3 , **Coarse Sand** 2 , **Clay Td** 2 |
| 100–200 ft | **Sand** 112 , **Clay** 83 , **Red Clay** 14 , **Clay Td** 12 , **Coarse Sand And Gravel** 5 , **Clay Red** 2 |
| 200–300 ft | **Clay** 93 , **Sand** 64 , **Red Clay** 9 , **Blue Clay** 6 , **Clay Grey** 2 , **Clay Td** 3 |
| 300–500 ft | **Sand** 103 , **Clay** 58 , **Clay Td** 32 , **Red Clay** 12 , **Blue Clay** 8 , **Sandy Clay** 5 |
| 500–1000 ft | **Sand** 49 , **Clay Td** 30 , **Clay** 21 , **Blue Clay** 3 , **Red Clay** 3 , **Grey Clay** 1 |

### Who drills here

*Licensed firms in state well grid 81-03, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Finch Water Well](/driller/finch-water-well.md) | 56 | 410 | 60 | 2001–2026 |
| [Goolsby Water Well Service LLC](/driller/goolsby-water-well-service-llc.md) | 43 | 465 | 60 | 2015–2026 |
| [RONNIE GOOLSBY WATER WELL SERVICE](/driller/ronnie-goolsby-water-well-service.md) | 41 | 420 | 30 | 2004–2014 |
| [RONNIE GOOLSBY WATER WELL](/driller/ronnie-goolsby-water-well.md) | 38 | 425 | 35 | 2001–2014 |
| [Finch Water Well Service](/driller/finch-water-well-service.md) | 28 | 660 | 60 | 2004–2009 |
| [Brazoria Water Well](/driller/brazoria-water-well.md) | 9 | 240 | 40 | 2022–2026 |
| [Wells Water Well Company](/driller/wells-water-well-company.md) | 8 | 445 | 20 | 2002–2005 |
| [GOOLSBY WW](/driller/goolsby-ww.md) | 6 | 445 | 60 | 2013 |
| [1st Choice Water Wells](/driller/1st-choice-water-wells.md) | 4 | 540 | 100 | 2017–2020 |
| [Felder Water Well & Pump Service, LLC](/driller/felder-water-well-pump-service-llc.md) | 4 | 426 | 120 | 2004–2020 |
| [Chaffin Water Wells](/driller/chaffin-water-wells.md) | 3 | 240 | 150 | 2019–2022 |
| [Gotcher Water Wells](/driller/gotcher-water-wells.md) | 3 | 152 | 35 | 2011–2013 |
| [GMG Water Well Drilling, LLC](/driller/gmg-water-well-drilling-llc.md) | 2 | 180 | — | 2025–2026 |
| [Chaffin Water Well Service](/driller/chaffin-water-well-service.md) | 2 | 405 | 150 | 2020–2022 |
| [AQUA WATER WELL CO.](/driller/aqua-water-well-co.md) | 2 | 200 | 100 | 2010–2013 |
| [ANCHOR WATER WELL](/driller/anchor-water-well.md) | 2 | 375 | 60 | 2004–2006 |
| [Goolsby Water Well](/driller/goolsby-water-well.md) | 2 | — | 400 | 2001 |
| [GWR Windmills & Water Well Services, LLC](/driller/gwr-windmills-water-well-services-llc.md) | 1 | 140 | 100 | 2024 |
| [AQUA STAR LLC](/driller/aqua-star-llc.md) | 1 | 140 | 100 | 2021 |
| [MEZA WATER WELL SERVICE](/driller/meza-water-well-service.md) | 1 | 120 | — | 2017 |
| Felder Water Well & Pump Services, LLC. | 1 | 123 | 100 | 2009 |
| Finch Water Well nService | 1 | — | 25 | 2007 |
| Felder Water Well and Pump Svc. | 1 | 113 | 100 | 2003 |
| RONNIE GOOLSBY WATER WELL SEVICE | 1 | — | 35 | 2006 |
| [ESN-South](/driller/esn-south.md) | 1 | 17 | — | 2006 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 217 | 82.5% | 440 |
| Stock | 38 | 14.4% | 150 |
| Irrigation | 3 | 1.1% | 160 |
| Other | 1 | 0.4% | 405 |
| Public Supply | 1 | 0.4% | — |
| Environmental Soil Boring | 1 | 0.4% | 17 |
| Rig Supply | 1 | 0.4% | — |
| Industrial | 1 | 0.4% | — |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 115 | 435 | 36 |
| 2010s | 87 | 420 | 32 |
| 2020s | 61 | 425 | 43 |

### The deepest reports on file

*Deepest reports in state well grid 81-03. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 725176 | 2026 | 665 | — | 60 | Domestic |
| 628535 | 2022 | 665 | 52 | 15 | Domestic |
| 431347 | 2016 | 665 | 50 | 30 | Domestic |
| 131586 | 2007 | 660 | 47 | 80 | Domestic |
| 13552 | 2002 | 660 | 60 | 30 | Domestic |
| 581768 | 2021 | 645 | 50 | — | Domestic |
| 444849 | 2017 | 640 | 65 | — | Domestic |
| 383917 | 2014 | 635 | 54 | 60 | Domestic |
| 316433 | 2013 | 630 | 63 | 60 | Domestic |
| 586552 | 2021 | 595 | 75 | — | 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 81-03?

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), [Brazoria County](/county/brazoria.md).

### Grids with a comparable number of reports

- [57-18](/area/57-18.md)
- [57-29](/area/57-29.md)
- [57-33](/area/57-33.md)
- [61-53](/area/61-53.md)
- [67-55](/area/67-55.md)
- [35-28](/area/35-28.md)
- [57-43](/area/57-43.md)
- [05-25](/area/05-25.md)
- [18-33](/area/18-33.md)
- [43-53](/area/43-53.md)
- [44-44](/area/44-44.md)
- [67-42](/area/67-42.md)
- [76-21](/area/76-21.md)

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Página: https://texas-water-wells.pages.dev/area/81-03/
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