# Water wells in McLennan County, Texas — how deep, and through what

> 1,784 well reports filed in McLennan County since 2001. Median depth 20 ft, water struck at 20 ft, median yield 16 gpm.

## Water wells in McLennan County, Texas

**1,784** well reports on file. The median well here was taken to **20 ft** and struck water at **20 ft** — against 180 ft and 80 ft across Texas.

### What you will drill through in McLennan County

*Logged in McLennan County, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Brown Clay** 169 , **Light Brown Clay** 100 , **Clay** 70 , **Limestone** 66 , **Tan Limestone** 58 , **Asphalt** 57 |
| 25–50 ft | **Shale** 21 , **Gray Shale** 18 , **Blue Shale** 12 , **Gravel** 10 , **Gray Limestone** 9 , **Sand** 9 |
| 50–100 ft | **Shale** 7 , **Blue Shale** 3 , **Gray Clay** 2 , **Gray Clay, Shale, Limestone** 2 , **Eagle Ford Shale** 2 , **Blue Clay With Streaks Of Blue Sand** 2 |
| 100–200 ft | **Gray Shale** 6 , **Limestone** 5 , **Blue Shale** 3 , **White Limestone** 3 , **Sandy Shale** 2 , **Grey Shale** 2 |
| 200–300 ft | **Black Shale** 3 , **Gray Shale, Limestone** 2 , **Blue Sandy Shell** 2 , **Limestone** 2 , **Sandy Shale** 2 , **Gray Shale** 2 |
| 300–500 ft | **Shell Rock** 12 , **Glen Rose Lime** 10 , **Glenrose Lime** 9 , **Paluxy Sand** 7 , **Sandy Shale** 5 , **Gray Clay, Shale, Limestone** 5 |
| 500–1000 ft | **Sandy Shale** 20 , **Sand** 14 , **Blue Shale** 13 , **1St Trinity Sand** 13 , **Red Clay** 11 , **Blue Sandy Clay And Sand** 5 |
| 1000–5000 ft | **Sand** 22 , **Red Clay** 18 , **Red Bed** 12 , **Yellow Clay** 14 , **Yellow** 12 , **Sandy Shale** 7 |

The rock column here is what drillers wrote down, layer by layer, in their own words — 5,345,462 layers across 707,856 wells. It is not a geological survey: two drillers may call the same clay by two names, and this site does not correct them.

### Who drills in McLennan County

*Licensed firms in McLennan County, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Sunbelt Industrial Services](/driller/sunbelt-industrial-services.md) | 202 | 10 | — | 2006–2025 |
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 172 | 20 | — | 2006–2025 |
| [WEST Drilling](/driller/west-drilling.md) | 127 | 20 | — | 2015–2026 |
| [Environmental Logistics Company, LLC](/driller/environmental-logistics-company-llc.md) | 74 | 10 | — | 2017–2026 |
| [Roddy Qualls Environmental Drilling](/driller/roddy-qualls-environmental-drilling.md) | 67 | 21 | — | 2016–2022 |
| [Total Support Services](/driller/total-support-services.md) | 66 | 20 | — | 2001–2015 |
| [Cascade Technical Services](/driller/cascade-technical-services.md) | 57 | 18 | — | 2017–2018 |
| [Envirotech Drilling Services LLC](/driller/envirotech-drilling-services-llc.md) | 52 | 20 | — | 2011–2026 |
| [W.E.S.T. Drilling](/driller/w-e-s-t-drilling.md) | 50 | 20 | — | 2001–2015 |
| [Strata Core Services, LLC](/driller/strata-core-services-llc.md) | 45 | 19 | — | 2011–2016 |
| [Associated Well Services, Inc.](/driller/associated-well-services-inc.md) | 42 | 1,180 | 100 | 2014–2025 |
| [BEST DRILLING SERVICES, INC.](/driller/best-drilling-services-inc.md) | 41 | 21 | — | 2004–2025 |
| [Groundwater Monitoring Inc.](/driller/groundwater-monitoring-inc.md) | 41 | 20 | — | 2004–2007 |
| [ETTL Engineers & Consultants Inc.](/driller/ettl-engineers-consultants-inc.md) | 38 | 50 | — | 2002–2018 |
| [McNeese Drilling Co.](/driller/mcneese-drilling-co.md) | 36 | 80 | 15 | 2014–2024 |
| [Subterra Environmental Services, LLC.](/driller/subterra-environmental-services-llc.md) | 34 | 10 | — | 2020–2022 |
| [Geothermal Drilling inc](/driller/geothermal-drilling-inc.md) | 31 | 250 | — | 2001–2023 |
| [WACO DRILLING CO](/driller/waco-drilling-co.md) | 26 | 45 | 25 | 2008–2025 |
| [Brien Water Wells](/driller/brien-water-wells.md) | 25 | 50 | 15 | 2003–2025 |
| [Vortex Drilling Partners, LP](/driller/vortex-drilling-partners-lp.md) | 20 | 25 | — | 2020–2022 |
| [MagnaCore Drilling & Environmental Services](/driller/magnacore-drilling-environmental-services.md) | 20 | 8 | — | 2003–2015 |
| [Alpine Field Services](/driller/alpine-field-services.md) | 20 | 15 | — | 2003–2012 |
| [SCI](/driller/sci.md) | 20 | 30 | — | 2004–2012 |
| [Ball Drilling Company](/driller/ball-drilling-company.md) | 19 | 300 | — | 2003–2016 |
| [Strata Core Drilling Co.](/driller/strata-core-drilling-co.md) | 19 | 25 | — | 2008–2010 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Monitor | 845 | 47.4% | 25 |
| Environmental Soil Boring | 541 | 30.3% | 10 |
| Domestic | 142 | 8.0% | 1,035 |
| Injection | 95 | 5.3% | 20 |
| Closed-Loop Geothermal | 40 | 2.2% | 300 |
| Test Well | 34 | 1.9% | 25 |
| Irrigation | 24 | 1.3% | 80 |
| Public Supply | 20 | 1.1% | 1,983 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 471 | 20 | 20 |
| 2010s | 867 | 20 | 20 |
| 2020s | 446 | 25 | 20 |

### The deepest reports on file

*Deepest reports in McLennan County. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 224079 | 2010 | 3,345 | 440 | 226 | Public Supply |
| 532081 | 2020 | 3,010 | 497 | 250 | Other |
| 277481 | 2011 | 3,000 | 499 | 17 | Irrigation |
| 69313 | 2005 | 2,710 | 580 | 305 | Public Supply |
| 131794 | 2007 | 2,509 | 625 | 640 | Industrial |
| 176489 | 2009 | 2,507 | 742 | 281 | Public Supply |
| 253315 | 2011 | 2,500 | 813 | 750 | Public Supply |
| 122796 | 2007 | 2,463 | 583 | 183 | Public Supply |
| 502608 | 2018 | 2,135 | 795 | 33 | Public Supply |
| 476811 | 2018 | 2,100 | 752 | 403 | Public Supply |

Every figure on this site is a **median**, never an average. On reported yield the average is twice the median, because a handful of entries are typing errors — the largest reads 2,200,100 gallons per minute against 30,078 for the next one. Yields above 3,000 gpm (136 wells, 0.045%) and depths beyond 5,000 ft (103 wells, 0.016%) are kept in the file, marked, and left out of the medians.

### Drilling a well in McLennan County?

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).

### Counties with a comparable number of reports

- [Live Oak](/county/live-oak.md)
- [Shelby](/county/shelby.md)
- [Jackson](/county/jackson.md)
- [Leon](/county/leon.md)
- [San Jacinto](/county/san-jacinto.md)
- [Tyler](/county/tyler.md)
- [Hansford](/county/hansford.md)
- [Palo Pinto](/county/palo-pinto.md)
- [Jack](/county/jack.md)
- [Eastland](/county/eastland.md)
- [Kimble](/county/kimble.md)
- [Cherokee](/county/cherokee.md)
- [Wood](/county/wood.md)

A sliding window, not a ranking. [Every county](/county.md).

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Página: https://texas-water-wells.pages.dev/county/mclennan/
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