# Well grid 58-18, Texas — Williamson — how deep, and through what

> 366 well reports in Texas state well grid 58-18, covering Williamson. Median depth 650 ft.

## Texas well grid 58-18

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Williamson County](/county/williamson.md). **366** reports, median depth **650 ft**.

### What you will drill through in grid 58-18

*Logged in state well grid 58-18, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Topsoil** 76 , **Top Soil** 68 , **Caliche** 48 , **Gray Limestone** 45 , **Brown Limestone** 41 , **Yellow Limestone** 40 |
| 25–50 ft | **Gray Limestone** 37 , **Brown Limestone** 16 , **Grey Limestone** 9 , **Blue Limestone** 7 , **Gray Lime** 6 , **Lost Circulation** 3 |
| 50–100 ft | **Gray Limestone** 48 , **Grey Limestone** 12 , **Brown Limestone** 16 , **Gray Lime** 14 , **Blue Lime** 9 , **Blue Limestone** 8 |
| 100–200 ft | **Gray Limestone** 55 , **Brown Limestone** 37 , **Gray Lime** 11 , **Blue Limestone** 9 , **Grey Limestone** 7 , **Brown Lime** 8 |
| 200–300 ft | **Gray Limestone** 50 , **Brown Limestone** 39 , **Blue Limestone & Shale** 18 , **Brown Lime** 14 , **Gray Lime** 11 , **Grey Limestone** 8 |
| 300–500 ft | **Gray Limestone** 70 , **Brown Limestone** 43 , **Gray Sandstone** 37 , **Sandstone** 11 , **Gray Sand** 17 , **Sand** 12 |
| 500–1000 ft | **Gray Sandstone** 65 , **Sandstone** 24 , **Gray Sand** 45 , **Gray Limestone** 39 , **Trinity Sand** 17 , **Grey Limestone** 33 |
| 1000–5000 ft | **Grey Clay** 1 , **Sand** 1 , **Clay** 1 |

### Who drills here

*Licensed firms in state well grid 58-18, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [TOM ARNOLD DRILLING](/driller/tom-arnold-drilling.md) | 86 | 650 | 75 | 2003–2026 |
| [Bee Cave Drilling, Inc.](/driller/bee-cave-drilling-inc.md) | 40 | 800 | 50 | 2006–2025 |
| [Associated Drilling Inc](/driller/associated-drilling-inc.md) | 40 | 750 | 35 | 2003–2025 |
| [Centex Pump & Supply, Inc.](/driller/centex-pump-supply-inc.md) | 33 | 800 | 45 | 2011–2025 |
| [HILL COUNTRY WATER WELL](/driller/hill-country-water-well.md) | 28 | 560 | 50 | 2000–2025 |
| [Tom Lovelace Water Well Service](/driller/tom-lovelace-water-well-service.md) | 19 | 570 | 48 | 2003–2026 |
| [Alpine water well service](/driller/alpine-water-well-service.md) | 19 | 640 | — | 2016–2023 |
| [B & B Water Well Service, Inc](/driller/b-b-water-well-service-inc.md) | 16 | 800 | 50 | 2012–2025 |
| [Western Water Wells](/driller/western-water-wells.md) | 14 | 690 | 40 | 2004–2023 |
| [Apex Drilling, Inc.](/driller/apex-drilling-inc.md) | 14 | 585 | 50 | 2002–2018 |
| [Alpine Water Well](/driller/alpine-water-well.md) | 9 | 720 | 25 | 2003–2009 |
| [Highland Drilling Inc.](/driller/highland-drilling-inc.md) | 6 | 520 | 50 | 2006–2012 |
| [Michael Tolle](/driller/michael-tolle.md) | 5 | 400 | — | 2019–2023 |
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 5 | 15 | — | 2017 |
| [Western Water Wells Drilling Inc](/driller/western-water-wells-drilling-inc.md) | 4 | 610 | 75 | 2015–2020 |
| [Lucy Creek Water Well Service](/driller/lucy-creek-water-well-service.md) | 2 | 930 | — | 2022–2024 |
| [Trinity Water Solutions](/driller/trinity-water-solutions.md) | 2 | 820 | 50 | 2024 |
| [Johnson Drilling, Inc.](/driller/johnson-drilling-inc.md) | 2 | 300 | — | 2020–2023 |
| [Zavala Drilling, CO](/driller/zavala-drilling-co.md) | 2 | 300 | — | 2016–2022 |
| [Earth Tech](/driller/earth-tech.md) | 2 | 300 | — | 2017–2019 |
| [Austin Geo-Logic](/driller/austin-geo-logic.md) | 2 | 30 | — | 2019 |
| [Tom Lovelace Water Well Serv.](/driller/tom-lovelace-water-well-serv.md) | 2 | 460 | 33 | 2009 |
| [HARRISON WELL SERVICE, INC.](/driller/harrison-well-service-inc.md) | 2 | 745 | 50 | 2006–2008 |
| [Motal Well Service](/driller/motal-well-service.md) | 1 | 625 | — | 2024 |
| [J and J Water Wells](/driller/j-and-j-water-wells.md) | 1 | 840 | — | 2024 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 246 | 67.2% | 610 |
| Irrigation | 79 | 21.6% | 800 |
| Closed-Loop Geothermal | 12 | 3.3% | 300 |
| Test Well | 9 | 2.5% | 790 |
| Industrial | 7 | 1.9% | 610 |
| Other | 5 | 1.4% | 522 |
| Monitor | 3 | 0.8% | 18 |
| Public Supply | 2 | 0.5% | 480 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 80 | 590 | 330 |
| 2010s | 166 | 612 | 400 |
| 2020s | 120 | 767 | 498 |

### The deepest reports on file

*Deepest reports in state well grid 58-18. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 686978 | 2024 | 1,100 | 504 | — | Irrigation |
| 543640 | 2020 | 1,100 | — | 150 | Irrigation |
| 541898 | 2020 | 1,060 | — | 150 | Irrigation |
| 534850 | 2020 | 1,055 | — | — | Irrigation |
| 542010 | 2020 | 980 | — | 200 | Irrigation |
| 685847 | 2024 | 930 | — | — | Domestic |
| 81657 | 2006 | 910 | — | 50 | Domestic |
| 596458 | 2021 | 900 | 600 | — | Domestic |
| 554471 | 2020 | 900 | 470 | — | Domestic |
| 533867 | 2019 | 900 | 460 | — | 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 58-18?

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

- [27-56](/area/27-56.md)
- [28-27](/area/28-27.md)
- [61-57](/area/61-57.md)
- [68-06](/area/68-06.md)
- [19-23](/area/19-23.md)
- [88-49](/area/88-49.md)
- [06-04](/area/06-04.md)
- [34-50](/area/34-50.md)
- [59-44](/area/59-44.md)
- [59-52](/area/59-52.md)
- [83-15](/area/83-15.md)
- [66-15](/area/66-15.md)
- [68-03](/area/68-03.md)

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Página: https://texas-water-wells.pages.dev/area/58-18/
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