# Well grid 58-20, Texas — Williamson — how deep, and through what

> 267 well reports in Texas state well grid 58-20, covering Williamson. Median depth 517 ft.

## Texas well grid 58-20

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Williamson County](/county/williamson.md). **267** reports, median depth **517 ft**.

### What you will drill through in grid 58-20

*Logged in state well grid 58-20, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Top Soil** 63 , **Yellow Limestone** 50 , **Topsoil** 50 , **Gray Limestone** 48 , **Grey Shale** 27 , **Limestone** 23 |
| 25–50 ft | **Gray Limestone** 16 , **Blue Clay** 8 , **Grey Shale** 6 , **Gray Lime** 5 , **Black Shale** 4 , **Grey Limestone** 4 |
| 50–100 ft | **Black Shale** 12 , **Blue Clay** 8 , **Grey Shale** 5 , **White Limestone** 4 , **Gray Limestone** 4 , **Shale** 3 |
| 100–200 ft | **Blue Clay** 30 , **Black Shale** 30 , **White Limestone** 26 , **Gray Limestone** 16 , **Blue Shale** 7 , **Limestone** 6 |
| 200–300 ft | **Blue Clay** 27 , **Gray Limestone** 30 , **Black Shale** 18 , **White Limestone** 16 , **Brown Limestone** 9 , **White Lime** 7 |
| 300–500 ft | **Gray Limestone** 52 , **Blue Clay** 27 , **Brown Limestone** 32 , **Black Shale** 31 , **White Limestone** 27 , **Gray Lime** 19 |
| 500–1000 ft | **Gray Limestone** 34 , **Brown Limestone** 27 , **Limestone** 21 , **Blue Clay** 9 , **Tan Limestone** 8 , **Gray Lime** 7 |

### Who drills here

*Licensed firms in state well grid 58-20, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [TOM ARNOLD DRILLING](/driller/tom-arnold-drilling.md) | 76 | 525 | 100 | 2003–2026 |
| [Alpine water well service](/driller/alpine-water-well-service.md) | 49 | 500 | 20 | 2014–2023 |
| [Alpine Water Well](/driller/alpine-water-well.md) | 30 | 540 | 50 | 2003–2013 |
| [Associated Drilling Inc](/driller/associated-drilling-inc.md) | 24 | 530 | 100 | 2003–2024 |
| [Tom Lovelace Water Well Service](/driller/tom-lovelace-water-well-service.md) | 17 | 540 | 100 | 2004–2026 |
| [Envirotech Drilling Services LLC](/driller/envirotech-drilling-services-llc.md) | 11 | 1 | — | 2026 |
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 10 | 28 | — | 2009 |
| [Trinity Water Solutions](/driller/trinity-water-solutions.md) | 9 | 620 | 20 | 2023–2025 |
| [Western Water Wells](/driller/western-water-wells.md) | 8 | 610 | 100 | 2005–2024 |
| [Tom Lovelace Water Well Serv.](/driller/tom-lovelace-water-well-serv.md) | 7 | 620 | 80 | 2003–2011 |
| [Hazelett Drilling](/driller/hazelett-drilling.md) | 4 | 680 | — | 2021–2022 |
| [Apex Drilling, Inc.](/driller/apex-drilling-inc.md) | 4 | 585 | 300 | 2006–2018 |
| [Austin Geo-Logic](/driller/austin-geo-logic.md) | 3 | 30 | — | 2024 |
| [Bee Cave Drilling, Inc.](/driller/bee-cave-drilling-inc.md) | 3 | 480 | 30 | 2004–2024 |
| [David Cowen](/driller/david-cowen.md) | 2 | 510 | 80 | 2004–2018 |
| [B & B Water Well Service, Inc](/driller/b-b-water-well-service-inc.md) | 2 | 800 | 100 | 2014–2015 |
| [Mahorney Drilling](/driller/mahorney-drilling.md) | 1 | 630 | 100 | 2016 |
| Tom Lovelace Water Well | 1 | 560 | 125 | 2015 |
| [HILL COUNTRY WATER WELL](/driller/hill-country-water-well.md) | 1 | 600 | — | 2011 |
| [Centex Pump & Supply, Inc.](/driller/centex-pump-supply-inc.md) | 1 | 750 | 50 | 2011 |
| [Western Water Wells Drilling Inc](/driller/western-water-wells-drilling-inc.md) | 1 | 720 | — | 2010 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 220 | 82.4% | 540 |
| Environmental Soil Boring | 19 | 7.1% | 1 |
| Irrigation | 18 | 6.7% | 565 |
| Monitor | 5 | 1.9% | 40 |
| Stock | 3 | 1.1% | 380 |
| Test Well | 2 | 0.7% | 440 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 85 | 520 | 200 |
| 2010s | 76 | 530 | 200 |
| 2020s | 106 | 505 | 195 |

### The deepest reports on file

*Deepest reports in state well grid 58-20. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 626226 | 2022 | 920 | 220 | — | Domestic |
| 523916 | 2019 | 900 | 200 | — | Domestic |
| 501399 | 2018 | 880 | 180 | — | Domestic |
| 602351 | 2022 | 870 | 250 | 75 | Domestic |
| 630206 | 2022 | 860 | 240 | — | Domestic |
| 630180 | 2022 | 860 | 275 | — | Domestic |
| 48553 | 2004 | 860 | 155 | 30 | Domestic |
| 587142 | 2021 | 830 | 220 | 100 | Domestic |
| 617082 | 2022 | 810 | — | 200 | Domestic |
| 602346 | 2022 | 810 | 230 | — | 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 58-20?

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 [Williamson County](/county/williamson.md).

### Grids with a comparable number of reports

- [10-54](/area/10-54.md)
- [24-53](/area/24-53.md)
- [44-19](/area/44-19.md)
- [56-47](/area/56-47.md)
- [57-10](/area/57-10.md)
- [61-33](/area/61-33.md)
- [43-29](/area/43-29.md)
- [62-17](/area/62-17.md)
- [68-32](/area/68-32.md)
- [19-20](/area/19-20.md)
- [31-51](/area/31-51.md)
- [44-28](/area/44-28.md)
- [56-62](/area/56-62.md)

---

Página: https://texas-water-wells.pages.dev/area/58-20/
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