# Well grid 81-06, Texas — Brazoria — how deep, and through what

> 255 well reports in Texas state well grid 81-06, covering Brazoria. Median depth 20 ft.

## Texas well grid 81-06

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Brazoria County](/county/brazoria.md). **255** reports, median depth **20 ft**.

### What you will drill through in grid 81-06

*Logged in state well grid 81-06, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Clay** 23 , **Clay, Brown** 10 , **Sand** 13 , **Clay, Gray** 12 , **Sandy Clay, Brown** 7 , **Ft. Clay, Silty, Medium Brown** 10 |
| 25–50 ft | **Clay** 13 , **Sand** 4 , **Silty Clay Gray** 4 , **Clay Brown** 4 , **Sand .006** 3 , **No Recovery** 2 |
| 50–100 ft | **Clay** 11 , **Sand** 8 , **Silty Clay Gray** 4 , **Clay Brown** 4 , **Sand .006** 2 , **Sand Tan .005-.006** 1 |
| 100–200 ft | **Clay** 24 , **Sand** 21 , **Sand .006** 4 , **Sand .006-.008** 2 , **Clay Tan** 1 , **Sand .008-.012** 1 |
| 200–300 ft | **Sand** 15 , **Clay** 10 , **Clay Td** 2 , **Sand .006** 2 , **Sand .005 Fine** 1 , **Sand .006-.012** 1 |
| 300–500 ft | **Sand** 3 , **Clay** 3 , **Clay Soft Shell** 1 , **Clay Gray** 1 , **Sand .005** 1 , **Sand .005-.006** 1 |
| 500–1000 ft | **Sand .005** 1 , **Clay** 1 , **Sand** 1 |

### Who drills here

*Licensed firms in state well grid 81-06, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Alpine Field Services](/driller/alpine-field-services.md) | 58 | 15 | — | 2007–2012 |
| [BEST DRILLING SERVICES, INC.](/driller/best-drilling-services-inc.md) | 51 | 20 | — | 2006–2020 |
| [Envirotech Drilling Services LLC](/driller/envirotech-drilling-services-llc.md) | 34 | 15 | — | 2015–2026 |
| [Felder Water Well & Pump Service, LLC](/driller/felder-water-well-pump-service-llc.md) | 21 | 250 | 175 | 2003–2026 |
| [Fugro Geosciences, Inc.](/driller/fugro-geosciences-inc.md) | 18 | 20 | — | 2001–2005 |
| [Mathers Environmental Drilling Inc.](/driller/mathers-environmental-drilling-inc.md) | 13 | 25 | — | 2009–2017 |
| [Master Monitoring Services, Inc.](/driller/master-monitoring-services-inc.md) | 12 | 19 | — | 2007 |
| [APOLLO Environmental Strategies, Inc.](/driller/apollo-environmental-strategies-inc.md) | 7 | 20 | — | 2006 |
| [Eagle Remediation](/driller/eagle-remediation.md) | 5 | 15 | — | 2022–2023 |
| [Advanced Drilling Systems, Inc.](/driller/advanced-drilling-systems-inc.md) | 5 | — | — | 2008 |
| [Fugro](/driller/fugro.md) | 5 | 73 | — | 2008–2009 |
| [Goolsby Water Well Service LLC](/driller/goolsby-water-well-service-llc.md) | 4 | 260 | 80 | 2015–2019 |
| [RONNIE GOOLSBY WATER WELL](/driller/ronnie-goolsby-water-well.md) | 3 | 325 | 120 | 2001–2010 |
| [Vista GeoScience](/driller/vista-geoscience.md) | 2 | 15 | — | 2016 |
| Felder Water Well & Pump Serv. | 2 | 249 | 200 | 2004–2005 |
| [dba Universal Drilling Services](/driller/dba-universal-drilling-services.md) | 2 | 25 | — | 2003 |
| Longbore, Inc. | 2 | 33 | 3 | 2001–2002 |
| [Eagle Remediation & Demolition](/driller/eagle-remediation-demolition.md) | 1 | 15 | — | 2023 |
| [GWR Windmills & Water Well Services, LLC](/driller/gwr-windmills-water-well-services-llc.md) | 1 | 470 | 40 | 2020 |
| [Davison Water Well Service](/driller/davison-water-well-service.md) | 1 | 230 | — | 2015 |
| Felder Water Well & Pump Services, LLC. | 1 | — | 300 | 2014 |
| [GOOLSBY WW](/driller/goolsby-ww.md) | 1 | 250 | 80 | 2012 |
| [RONNIE GOOLSBY WATER WELL SERVICE](/driller/ronnie-goolsby-water-well-service.md) | 1 | 245 | 80 | 2012 |
| [O'Day Drilling Company, Inc.](/driller/o-day-drilling-company-inc.md) | 1 | 226 | 100 | 2011 |
| [Felder Water Well](/driller/felder-water-well.md) | 1 | 245 | 100 | 2010 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Monitor | 132 | 51.8% | 20 |
| Environmental Soil Boring | 74 | 29.0% | 12 |
| Domestic | 16 | 6.3% | 245 |
| Industrial | 9 | 3.5% | 243 |
| Public Supply | 9 | 3.5% | 249 |
| Other | 7 | 2.7% | 25 |
| Test Well | 7 | 2.7% | 29 |
| Irrigation | 1 | 0.4% | 250 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 142 | 20 | 35 |
| 2010s | 70 | 25 | 42 |
| 2020s | 43 | 15 | 26 |

### The deepest reports on file

*Deepest reports in state well grid 81-06. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 420119 | 2016 | 600 | 58 | 225 | Public Supply |
| 352856 | 2014 | 580 | 20 | 100 | Test Well |
| 537647 | 2020 | 470 | 63 | 40 | Domestic |
| 352920 | 2014 | 463 | 26 | 125 | Test Well |
| 218620 | 2010 | 325 | 18 | 80 | Domestic |
| 267409 | 2011 | 315 | 48 | 175 | Public Supply |
| 530171 | 2019 | 305 | 57 | — | Domestic |
| 209692 | 2010 | 305 | 12 | 125 | Domestic |
| 727311 | 2026 | 270 | 26 | 250 | Industrial |
| 417524 | 2016 | 260 | 40 | 25 | 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 81-06?

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

### Grids with a comparable number of reports

- [34-56](/area/34-56.md)
- [83-33](/area/83-33.md)
- [28-09](/area/28-09.md)
- [44-12](/area/44-12.md)
- [57-53](/area/57-53.md)
- [07-15](/area/07-15.md)
- [27-48](/area/27-48.md)
- [87-46](/area/87-46.md)
- [06-03](/area/06-03.md)
- [39-60](/area/39-60.md)
- [58-02](/area/58-02.md)
- [80-35](/area/80-35.md)
- [59-48](/area/59-48.md)

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Página: https://texas-water-wells.pages.dev/area/81-06/
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