# Well grid 65-11, Texas — Harris, Matagorda — how deep, and through what

> 546 well reports in Texas state well grid 65-11, covering Harris, Matagorda. Median depth 60 ft.

## Texas well grid 65-11

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Harris County](/county/harris.md) and [Matagorda County](/county/matagorda.md). **546** reports, median depth **60 ft**.

### What you will drill through in grid 65-11

*Logged in state well grid 65-11, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Clay** 104 , **Concrete** 57 , **Sand** 34 , **No Recovery** 19 , **Concrete/Road Base** 22 , **Top Soil** 22 |
| 25–50 ft | **Clay** 49 , **Sand** 32 , **No Recovery** 14 , **Clay, Red** 12 , **Clay, Sand** 8 , **Clay, Rock, Clay** 6 |
| 50–100 ft | **Sand** 65 , **Clay** 46 , **Clay, Sand** 14 , **No Recovery** 4 , **Sand & Gravel** 10 , **Gravel** 7 |
| 100–200 ft | **Sand** 95 , **Clay** 72 , **Sand, Clay** 23 , **Clay, Sand** 15 , **Sand & Gravel** 9 , **Sand, Clay, Sand** 9 |
| 200–300 ft | **Sand** 99 , **Clay** 51 , **Sand, Rock, Sand** 17 , **Clay, Sand** 16 , **Rock** 8 , **Sand, Clay** 10 |
| 300–500 ft | **Sand** 35 , **Clay** 19 , **Rock** 10 , **Shale** 2 , **Sandy Clay** 4 , **Red Clay** 3 |
| 500–1000 ft | **Sand** 16 , **Clay** 12 , **Sandy Clay** 5 , **Blue Clay** 3 , **Sand With Shale Streaks** 1 , **Hard Clay** 1 |
| 1000–5000 ft | **Sand** 11 , **Clay** 10 , **Sandy Clay** 3 , **Blue Clay** 2 , **Clay (Gray)** 2 , **Soft Clay** 4 |

### Who drills here

*Licensed firms in state well grid 65-11, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [BEST DRILLING SERVICES, INC.](/driller/best-drilling-services-inc.md) | 79 | 30 | — | 2004–2021 |
| [Envirotech Drilling Services LLC](/driller/envirotech-drilling-services-llc.md) | 70 | 45 | — | 2015–2025 |
| [H/ET](/driller/h-et.md) | 41 | 76 | — | 2014–2021 |
| [Ricky Bonds Water Wells](/driller/ricky-bonds-water-wells.md) | 36 | 305 | 55 | 2008–2026 |
| [Scott Drilling Inc.](/driller/scott-drilling-inc.md) | 33 | 270 | 40 | 2003–2025 |
| [City Survey](/driller/city-survey.md) | 30 | 25 | — | 2011–2025 |
| [Alpine Field Services](/driller/alpine-field-services.md) | 29 | 24 | — | 2007–2013 |
| [Bussell & Sons LLC](/driller/bussell-sons-llc.md) | 22 | 345 | 75 | 2003–2021 |
| [Van and Sons Drilling Service](/driller/van-and-sons-drilling-service.md) | 16 | 40 | — | 2014–2017 |
| [Wel-Mat Drilling LLP](/driller/wel-mat-drilling-llp.md) | 16 | 5 | — | 2005–2016 |
| [Geophysical Drilling, Inc.](/driller/geophysical-drilling-inc.md) | 15 | 310 | 70 | 2003–2019 |
| [Alsay Incorporated](/driller/alsay-incorporated.md) | 14 | 1,488 | 1,356 | 2003–2021 |
| [Mathers Environmental Drilling Inc.](/driller/mathers-environmental-drilling-inc.md) | 14 | 45 | — | 2002–2018 |
| [Prospector Drilling and Tool Co., Inc.](/driller/prospector-drilling-and-tool-co-inc.md) | 9 | 80 | — | 2005 |
| [dba Universal Drilling Services](/driller/dba-universal-drilling-services.md) | 9 | 135 | — | 2003–2004 |
| [NORTHWEST WATER WELLS](/driller/northwest-water-wells.md) | 7 | 250 | 40 | 2002–2008 |
| [Master Monitoring Services, Inc.](/driller/master-monitoring-services-inc.md) | 7 | 28 | — | 2006–2007 |
| [Almeda Water Well Service](/driller/almeda-water-well-service.md) | 6 | 390 | 150 | 2005–2023 |
| [Soltek LLC](/driller/soltek-llc.md) | 6 | 40 | — | 2018–2019 |
| [Friedel Drilling Company](/driller/friedel-drilling-company.md) | 6 | 1,452 | 1,220 | 2002–2010 |
| Lighthouse Environmental Services Inc. | 5 | 32 | — | 2013 |
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 4 | 30 | — | 2018 |
| [Weisinger Incorporated](/driller/weisinger-incorporated.md) | 3 | 1,550 | 1,511 | 2016–2026 |
| [O'Day Drilling Company, Inc.](/driller/o-day-drilling-company-inc.md) | 3 | 365 | 40 | 2005–2023 |
| [MARAL DRILLING](/driller/maral-drilling.md) | 3 | 220 | 25 | 2015–2022 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Monitor | 277 | 50.7% | 44 |
| Domestic | 121 | 22.2% | 300 |
| Environmental Soil Boring | 54 | 9.9% | 10 |
| Public Supply | 45 | 8.2% | 650 |
| Irrigation | 18 | 3.3% | 320 |
| Other | 10 | 1.8% | 175 |
| Industrial | 8 | 1.5% | 310 |
| Injection | 5 | 0.9% | 135 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 1970s | 1 | 1,612 | 214 |
| 2000s | 181 | 225 | 140 |
| 2010s | 216 | 40 | 145 |
| 2020s | 148 | 50 | 133 |

### The deepest reports on file

*Deepest reports in state well grid 65-11. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 46410 | 2004 | 2,000 | 348 | 1,200 | Public Supply |
| 203900 | 2006 | 1,770 | 351 | 1,205 | Public Supply |
| 440119 | 2016 | 1,625 | 379 | 1,612 | Public Supply |
| 622961 | 1975 | 1,612 | 214 | 1,060 | Public Supply |
| 606475 | 2022 | 1,550 | — | 1,205 | Public Supply |
| 18745 | 2003 | 1,520 | 460 | 1,356 | Public Supply |
| 168902 | 2004 | 1,518 | 339 | 1,507 | Public Supply |
| 415995 | 2016 | 1,500 | — | 1,500 | Public Supply |
| 569791 | 2021 | 1,488 | 294 | 1,404 | Public Supply |
| 574157 | 2021 | 1,460 | 646 | 1,200 | Public Supply |

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 65-11?

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

### Grids with a comparable number of reports

- [19-44](/area/19-44.md)
- [07-02](/area/07-02.md)
- [40-31](/area/40-31.md)
- [35-34](/area/35-34.md)
- [62-58](/area/62-58.md)
- [19-63](/area/19-63.md)
- [26-40](/area/26-40.md)
- [57-64](/area/57-64.md)
- [59-22](/area/59-22.md)
- [32-06](/area/32-06.md)
- [32-30](/area/32-30.md)
- [33-22](/area/33-22.md)
- [49-12](/area/49-12.md)

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Página: https://texas-water-wells.pages.dev/area/65-11/
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