# Well grid 65-15, Texas — Harris, Sabine — how deep, and through what

> 1,400 well reports in Texas state well grid 65-15, covering Harris, Sabine. Median depth 36 ft.

## Texas well grid 65-15

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Harris County](/county/harris.md) and [Sabine County](/county/sabine.md). **1,400** reports, median depth **36 ft**.

### What you will drill through in grid 65-15

*Logged in state well grid 65-15, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Clay** 325 , **Sand** 152 , **Concrete** 89 , **Silty Clay** 41 , **Clay, Gray** 28 , **Asphalt** 31 |
| 25–50 ft | **Sand** 127 , **Clay** 134 , **Silty Clay** 19 , **Clay, Lt. Gray** 22 , **Clay, Reddish Brown** 13 , **Sandy Clay, Lt. Gray** 8 |
| 50–100 ft | **Clay** 178 , **Sand** 146 , **Clay, Red** 13 , **Clay, Reddish Brown** 7 , **Silty Clay** 7 , **Sand, Reddish Brown** 6 |
| 100–200 ft | **Sand** 265 , **Clay** 232 , **Blue Clay** 13 , **Clay, Sand** 5 , **Sand, Clay** 4 , **Sand-Tan-.010-.012** 3 |
| 200–300 ft | **Sand** 233 , **Clay** 142 , **Blue Clay** 7 , **Sand .008** 7 , **Red Clay** 3 , **Shale** 3 |
| 300–500 ft | **Sand** 53 , **Clay** 32 , **Rock & Sand** 1 , **Rock** 1 , **Caliche** 1 , **Gray Sand (.006-.008)** 2 |
| 500–1000 ft | **Sand** 9 , **Clay** 8 , **Clay Hard Red** 1 , **Sand/Clay** 1 , **Sand/Gravel** 1 , **Sand, Red/Gray Clay** 1 |
| 1000–5000 ft | **Sand** 3 , **Clay** 2 , **Clay Hard** 1 , **Clay Hard Blue** 1 , **Sand Fine Blue** 1 , **Sand, Red/White Clay** 1 |

### Who drills here

*Licensed firms in state well grid 65-15, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [BEST DRILLING SERVICES, INC.](/driller/best-drilling-services-inc.md) | 380 | 34 | 10 | 2004–2025 |
| [Mathers Environmental Drilling Inc.](/driller/mathers-environmental-drilling-inc.md) | 127 | 25 | — | 2002–2025 |
| [Tolers Water Well Service](/driller/tolers-water-well-service.md) | 125 | 240 | 12 | 2003–2025 |
| [Envirotech Drilling Services LLC](/driller/envirotech-drilling-services-llc.md) | 118 | 25 | — | 2012–2026 |
| [Fugro Geosciences, Inc.](/driller/fugro-geosciences-inc.md) | 50 | 30 | — | 2002–2005 |
| [Hydrogeologic/Environmental Testing](/driller/hydrogeologic-environmental-testing.md) | 42 | 58 | — | 2009–2010 |
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 41 | 10 | — | 2007–2017 |
| [Scott Drilling Inc.](/driller/scott-drilling-inc.md) | 37 | 260 | 45 | 2002–2024 |
| [Alpine Field Services](/driller/alpine-field-services.md) | 35 | 20 | — | 2004–2016 |
| [APOLLO Environmental Strategies, Inc.](/driller/apollo-environmental-strategies-inc.md) | 33 | 25 | — | 2001–2010 |
| [Gainco, Inc.](/driller/gainco-inc.md) | 30 | 37 | 3 | 2010–2014 |
| [Advanced Drilling Systems, Inc.](/driller/advanced-drilling-systems-inc.md) | 28 | 20 | — | 2001–2025 |
| [Bussell & Sons LLC](/driller/bussell-sons-llc.md) | 15 | 342 | 75 | 2004–2024 |
| [Sunbelt Industrial Services](/driller/sunbelt-industrial-services.md) | 15 | 77 | — | 2013 |
| [A & L Pump & Well Service](/driller/a-l-pump-well-service.md) | 13 | 255 | 10 | 2003–2025 |
| [Soltek LLC](/driller/soltek-llc.md) | 13 | 20 | — | 2015–2023 |
| [Alliance Maintenance & Sevices, Inc.](/driller/alliance-maintenance-sevices-inc.md) | 12 | — | — | 2009 |
| [Petra Environmental](/driller/petra-environmental.md) | 12 | 16 | — | 2001–2002 |
| [O'Day Drilling Company, Inc.](/driller/o-day-drilling-company-inc.md) | 11 | 501 | 80 | 2003–2025 |
| [Alliance Maintenance and Services](/driller/alliance-maintenance-and-services.md) | 11 | — | — | 2010 |
| [Greak Water Well](/driller/greak-water-well.md) | 10 | 280 | 70 | 2003–2022 |
| [City Survey](/driller/city-survey.md) | 10 | 25 | — | 2006–2022 |
| [Wel-Mat Drilling LLP](/driller/wel-mat-drilling-llp.md) | 10 | 25 | — | 2013–2018 |
| [Raymond Services, Inc.](/driller/raymond-services-inc.md) | 10 | 55 | 6 | 2005–2016 |
| [Major Drilling Environmental](/driller/major-drilling-environmental.md) | 8 | 65 | — | 2013 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Monitor | 837 | 59.8% | 30 |
| Domestic | 244 | 17.4% | 240 |
| Environmental Soil Boring | 158 | 11.3% | 12 |
| Public Supply | 50 | 3.6% | 345 |
| Test Well | 42 | 3.0% | 25 |
| Industrial | 23 | 1.6% | 326 |
| Other | 19 | 1.4% | 55 |
| Injection | 10 | 0.7% | 38 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 1900s | 1 | 20 | — |
| 1970s | 1 | 239 | 135 |
| 2000s | 590 | 40 | 120 |
| 2010s | 555 | 37 | 90 |
| 2020s | 253 | 31 | 100 |

### The deepest reports on file

*Deepest reports in state well grid 65-15. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 269228 | 2011 | 2,220 | 120 | 10 | Domestic |
| 689447 | 2024 | 1,556 | 177 | 2,006 | Public Supply |
| 601046 | 2022 | 1,524 | 156 | 1,511 | Public Supply |
| 361908 | 2014 | 1,300 | 169 | 1,511 | Public Supply |
| 531847 | 2020 | 1,215 | 154 | 1,100 | Public Supply |
| 417080 | 2016 | 780 | — | — | Test Well |
| 142346 | 2008 | 612 | 150 | 60 | Industrial |
| 575059 | 2021 | 598 | 244 | 150 | Public Supply |
| 373626 | 2014 | 589 | 176 | 150 | Public Supply |
| 187477 | 2009 | 588 | 150 | 60 | Industrial |

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 65-15?

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), [Sabine County](/county/sabine.md).

### Grids with a comparable number of reports

- [65-39](/area/65-39.md)
- [06-58](/area/06-58.md)
- [32-07](/area/32-07.md)
- [65-16](/area/65-16.md)
- [60-59](/area/60-59.md)
- [43-37](/area/43-37.md)
- [32-17](/area/32-17.md)
- [33-11](/area/33-11.md)
- [23-26](/area/23-26.md)
- [65-30](/area/65-30.md)
- [65-24](/area/65-24.md)
- [07-56](/area/07-56.md)
- [65-38](/area/65-38.md)

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Página: https://texas-water-wells.pages.dev/area/65-15/
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