# Well grid 80-27, Texas — Calhoun, Harris — how deep, and through what

> 181 well reports in Texas state well grid 80-27, covering Calhoun, Harris, Jackson. Median depth 190 ft.

## Texas well grid 80-27

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Calhoun County](/county/calhoun.md) and [Harris County](/county/harris.md). **181** reports, median depth **190 ft**.

### What you will drill through in grid 80-27

*Logged in state well grid 80-27, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Clay** 46 , **Topsoil** 50 , **Sand** 30 , **Grey Clay** 8 , **No Recovery** 3 , **Surface Clay** 7 |
| 25–50 ft | **Sand** 17 , **Clay** 13 , **Grey Clay** 8 , **Sandy Clay** 3 , **Fine Sand** 2 , **Dark To Light Brown Silty Clay** 2 |
| 50–100 ft | **Sand** 29 , **Clay** 18 , **Grey Clay** 8 , **Fine Sand** 3 , **Red Clay** 4 , **Clay Brown & Grey** 3 |
| 100–200 ft | **Clay** 18 , **Sand** 16 , **Fine Sand** 6 , **Grey Clay** 6 , **Sandy Clay** 4 , **Clay Blue & Grey** 3 |
| 200–300 ft | **Sand** 27 , **Clay** 12 , **Course Sand** 12 , **Red Clay** 3 , **Clay Blue & Grey** 2 , **Fine Sand** 2 |
| 300–500 ft | **Clay** 6 , **Sand** 6 , **Course Sand** 2 , **Grey Clay** 1 , **Red Clay** 2 , **Sandy Clay** 1 |

### Who drills here

*Licensed firms in state well grid 80-27, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 54 | 20 | — | 2008–2019 |
| [Cady's Water wells](/driller/cady-s-water-wells.md) | 52 | 238 | 75 | 2005–2025 |
| [Critendon Drilling Service, Inc.](/driller/critendon-drilling-service-inc.md) | 12 | 222 | 75 | 2002–2020 |
| [BEST DRILLING SERVICES, INC.](/driller/best-drilling-services-inc.md) | 9 | 20 | — | 2012–2021 |
| [Advanced Drilling Systems, Inc.](/driller/advanced-drilling-systems-inc.md) | 8 | 25 | — | 2010–2022 |
| [dba Universal Drilling Services](/driller/dba-universal-drilling-services.md) | 7 | 15 | — | 2002 |
| [CARTER WATER WELL DRILLING](/driller/carter-water-well-drilling.md) | 6 | 300 | 100 | 2003–2005 |
| [Roddy Qualls Environmental Drilling](/driller/roddy-qualls-environmental-drilling.md) | 5 | 20 | — | 2018–2023 |
| [A C Water Well Service](/driller/a-c-water-well-service.md) | 3 | 238 | 80 | 2017–2025 |
| [qualls drilling](/driller/qualls-drilling.md) | 2 | 23 | — | 2014 |
| [Leeper Water Well Service](/driller/leeper-water-well-service.md) | 2 | 208 | 15 | 2007–2008 |
| [Alpine Field Services](/driller/alpine-field-services.md) | 2 | 30 | — | 2006 |
| Critendon Drilling Service, Inc.3 | 2 | 265 | 75 | 2003 |
| [Cascade Drilling](/driller/cascade-drilling.md) | 1 | 25 | — | 2026 |
| [Alamo Environmental dba Vortex Drilling](/driller/alamo-environmental-dba-vortex-drilling.md) | 1 | 15 | — | 2024 |
| [Friedel Drilling Company](/driller/friedel-drilling-company.md) | 1 | 140 | 125 | 2019 |
| [Joe Ferguson Water Well Drilling, Inc.](/driller/joe-ferguson-water-well-drilling-inc.md) | 1 | 200 | — | 2018 |
| [Soltek LLC](/driller/soltek-llc.md) | 1 | 25 | — | 2016 |
| [Leeper Water Well](/driller/leeper-water-well.md) | 1 | 247 | 50 | 2015 |
| [leeper w.w.](/driller/leeper-w-w.md) | 1 | 86 | — | 2013 |
| For Constrution PurposesCady's Water Wells | 1 | 275 | 75 | 2011 |
| J.C. Thompson, Thompson Water Well | 1 | — | 25 | 2004 |
| [O'Day Drilling Company, Inc.](/driller/o-day-drilling-company-inc.md) | 1 | 460 | 600 | 2004 |
| leeper | 1 | 280 | 20 | 2005 |
| Cady Water Well's | 1 | 240 | 60 | 2005 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 53 | 29.3% | 238 |
| Monitor | 48 | 26.5% | 25 |
| Environmental Soil Boring | 42 | 23.2% | 15 |
| Stock | 21 | 11.6% | 140 |
| Irrigation | 10 | 5.5% | 360 |
| Industrial | 4 | 2.2% | 320 |
| Rig Supply | 3 | 1.7% | 240 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 43 | 222 | 20 |
| 2010s | 113 | 205 | 18 |
| 2020s | 25 | 54 | 17 |

### The deepest reports on file

*Deepest reports in state well grid 80-27. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 437335 | 2016 | 480 | 18 | 800 | Irrigation |
| 464921 | 2017 | 470 | 15 | 700 | Irrigation |
| 416146 | 2015 | 465 | 18 | 400 | Stock |
| 416035 | 2015 | 465 | 20 | 400 | Stock |
| 171464 | 2004 | 460 | 17 | 600 | Irrigation |
| 26070 | 2002 | 420 | 25 | 500 | Irrigation |
| 43955 | 2003 | 365 | 63 | 35 | Domestic |
| 54307 | 2003 | 360 | 15 | 170 | Irrigation |
| 510507 | 2019 | 342 | 15 | — | Stock |
| 481847 | 2018 | 330 | 15 | — | 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 80-27?

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 [Calhoun County](/county/calhoun.md), [Harris County](/county/harris.md), [Jackson County](/county/jackson.md).

### Grids with a comparable number of reports

- [56-16](/area/56-16.md)
- [81-02](/area/81-02.md)
- [67-29](/area/67-29.md)
- [79-25](/area/79-25.md)
- [34-54](/area/34-54.md)
- [32-55](/area/32-55.md)
- [34-23](/area/34-23.md)
- [03-39](/area/03-39.md)
- [04-42](/area/04-42.md)
- [24-20](/area/24-20.md)
- [45-31](/area/45-31.md)
- [57-58](/area/57-58.md)
- [67-07](/area/67-07.md)

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Página: https://texas-water-wells.pages.dev/area/80-27/
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