# Well grid 81-05, Texas — Brazoria, Harris — how deep, and through what

> 302 well reports in Texas state well grid 81-05, covering Brazoria, Harris. Median depth 300 ft.

## Texas well grid 81-05

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Brazoria County](/county/brazoria.md) and [Harris County](/county/harris.md). **302** reports, median depth **300 ft**.

### What you will drill through in grid 81-05

*Logged in state well grid 81-05, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Clay** 132 , **Sand** 19 , **Surface Soil** 17 , **Red Clay** 11 , **Top Soil** 8 , **Top Soil And Clay** 7 |
| 25–50 ft | **Sand** 67 , **Clay** 14 , **Sand Fine Red** 4 , **Sand Tan .006** 3 , **Clay Red** 2 , **Fine Red Sand** 2 |
| 50–100 ft | **Clay** 96 , **Sand** 41 , **Red Clay** 6 , **Blue Clay** 4 , **Clay S/S** 4 , **Clay Dark** 4 |
| 100–200 ft | **Sand** 132 , **Clay** 92 , **Clay Td** 14 , **Sand .006** 6 , **Sand .005** 4 , **Red Clay** 6 |
| 200–300 ft | **Sand** 96 , **Clay** 83 , **Clay Td** 20 , **Clay Dark** 4 , **Sand .006** 5 , **Red Clay** 4 |
| 300–500 ft | **Clay** 36 , **Sand** 20 , **Clay Td** 24 , **Clay Dark** 3 , **Red Clay** 3 , **Clay T.D.** 2 |
| 500–1000 ft | **Sand** 9 , **Clay** 8 , **Clay Td** 5 , **Sand Fine** 1 , **Clay T.D.** 1 , **Red Clay** 1 |

### Who drills here

*Licensed firms in state well grid 81-05, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [RONNIE GOOLSBY WATER WELL](/driller/ronnie-goolsby-water-well.md) | 64 | 305 | 30 | 2001–2014 |
| [Goolsby Water Well Service LLC](/driller/goolsby-water-well-service-llc.md) | 51 | 310 | 50 | 2015–2026 |
| [RONNIE GOOLSBY WATER WELL SERVICE](/driller/ronnie-goolsby-water-well-service.md) | 41 | 190 | 60 | 2004–2013 |
| [Felder Water Well & Pump Service, LLC](/driller/felder-water-well-pump-service-llc.md) | 36 | 290 | 100 | 2004–2025 |
| [Finch Water Well](/driller/finch-water-well.md) | 18 | 320 | 60 | 2001–2026 |
| [Finch Water Well Service](/driller/finch-water-well-service.md) | 10 | — | 60 | 2004–2008 |
| [ANCHOR WATER WELL](/driller/anchor-water-well.md) | 9 | 220 | 50 | 2003–2015 |
| [Brazoria Water Well](/driller/brazoria-water-well.md) | 8 | 320 | 60 | 2023–2026 |
| [Goolsby Water Well](/driller/goolsby-water-well.md) | 6 | 308 | 35 | 2001 |
| [Gotcher Water Wells](/driller/gotcher-water-wells.md) | 5 | 181 | 30 | 2012–2014 |
| [GOOLSBY WW](/driller/goolsby-ww.md) | 5 | 265 | 70 | 2011–2013 |
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 4 | 15 | — | 2012 |
| [Advanced Drilling Systems, Inc.](/driller/advanced-drilling-systems-inc.md) | 4 | — | — | 2010 |
| [Walker Water Well](/driller/walker-water-well.md) | 3 | 220 | 50 | 2005–2015 |
| [Van and Sons Drilling Service](/driller/van-and-sons-drilling-service.md) | 3 | 49 | — | 2014 |
| [Felder Water Well](/driller/felder-water-well.md) | 3 | 300 | 100 | 2010–2013 |
| [Mathers Environmental Drilling Inc.](/driller/mathers-environmental-drilling-inc.md) | 3 | 20 | — | 2009 |
| [MEZA WATER WELL SERVICE](/driller/meza-water-well-service.md) | 2 | 304 | — | 2020–2022 |
| [Anchor Services](/driller/anchor-services.md) | 2 | 325 | 80 | 2018–2022 |
| SCS Environmental Consultants, Inc. | 2 | 12 | — | 2017 |
| Lighthouse Environmental | 2 | 15 | — | 2014 |
| Felder Water Well & Pump Serv. | 2 | 290 | 150 | 2004–2005 |
| [ESN-South](/driller/esn-south.md) | 2 | 12 | — | 2004 |
| [O'Day Drilling Company, Inc.](/driller/o-day-drilling-company-inc.md) | 1 | 205 | 250 | 2024 |
| Depth Well Drilling | 1 | 60 | 20 | 2023 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 232 | 76.8% | 310 |
| Stock | 26 | 8.6% | 200 |
| Environmental Soil Boring | 11 | 3.6% | 15 |
| Public Supply | 9 | 3.0% | 233 |
| Monitor | 9 | 3.0% | 15 |
| Industrial | 7 | 2.3% | 305 |
| Other | 3 | 1.0% | 205 |
| Irrigation | 2 | 0.7% | 100 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 142 | 296 | 50 |
| 2010s | 107 | 300 | 46 |
| 2020s | 53 | 310 | 47 |

### The deepest reports on file

*Deepest reports in state well grid 81-05. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 573966 | 2021 | 1,160 | 8 | 80 | Domestic |
| 356871 | 2014 | 640 | 44 | 30 | Domestic |
| 300707 | 2012 | 610 | 50 | 30 | Domestic |
| 228477 | 2010 | 585 | 42 | 60 | Domestic |
| 467172 | 2017 | 565 | 45 | 40 | Other |
| 12295 | 2002 | 565 | 40 | 40 | Domestic |
| 665770 | 2024 | 560 | 39 | 25 | Domestic |
| 427699 | 2016 | 550 | 85 | 25 | Domestic |
| 432910 | 2016 | 545 | 65 | 30 | Domestic |
| 431200 | 2016 | 545 | 54 | 60 | 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 81-05?

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), [Harris County](/county/harris.md).

### Grids with a comparable number of reports

- [67-54](/area/67-54.md)
- [57-35](/area/57-35.md)
- [60-25](/area/60-25.md)
- [37-19](/area/37-19.md)
- [02-55](/area/02-55.md)
- [56-46](/area/56-46.md)
- [64-01](/area/64-01.md)
- [68-51](/area/68-51.md)
- [03-41](/area/03-41.md)
- [41-17](/area/41-17.md)
- [58-61](/area/58-61.md)
- [19-62](/area/19-62.md)
- [27-07](/area/27-07.md)

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Página: https://texas-water-wells.pages.dev/area/81-05/
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