# Well grid 57-01, Texas — San Saba, Llano — how deep, and through what

> 120 well reports in Texas state well grid 57-01, covering San Saba, Llano, Mason. Median depth 280 ft.

## Texas well grid 57-01

A 7.5-minute quadrangle of the Texas state well grid, mostly in [San Saba County](/county/san-saba.md) and [Llano County](/county/llano.md). **120** reports, median depth **280 ft**.

### What you will drill through in grid 57-01

*Logged in state well grid 57-01, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Topsoil** 89 , **White Limestone** 9 , **Broken Limestone** 8 , **Caliche** 7 , **White Lime** 6 , **Brown Sandstone** 6 |
| 25–50 ft | **Red Lime** 2 , **Red Sandstone** 2 , **Gray Granite** 2 , **Yellow Lime** 1 , **Red Sandston** 1 , **Grey / Black Dolemite** 1 |
| 50–100 ft | **Grey Limestone** 3 , **Red Sandstone** 3 , **Honeycomb Limestone** 2 , **Red Granite** 2 , **Yellow Clay With Fracture** 1 , **White, Yellow And Red Limestone** 1 |
| 100–200 ft | **Brown Sandstone** 6 , **Grey Shale** 6 , **Grey & Green Shaley Limestone** 4 , **Grey Limestone** 3 , **Brown Limestone** 2 , **Red Granite** 2 |
| 200–300 ft | **Grey Limestone** 4 , **Brown & Grey Limestone** 3 , **Hickory Sand** 3 , **Red Sandstone** 3 , **Brown Sandstone (Welge)** 2 , **Gray & Brown Limestone** 2 |
| 300–500 ft | **Red & Brown Sandstone** 9 , **Green Clay** 7 , **Brown Sandstone** 4 , **Brown Sandstone (Welge)** 4 , **Brown Sandy Limestone** 4 , **Red Sandstone** 4 |

### Who drills here

*Licensed firms in state well grid 57-01, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Virdell Drilling Inc.](/driller/virdell-drilling-inc.md) | 44 | 190 | 27 | 2002–2016 |
| [Walden Drilling Inc](/driller/walden-drilling-inc.md) | 21 | 265 | 20 | 2011–2026 |
| [Magill Drilling & Water Well Service, LLC](/driller/magill-drilling-water-well-service-llc.md) | 17 | 208 | 20 | 2020–2026 |
| [Elite Drillers Corporation](/driller/elite-drillers-corporation.md) | 10 | 420 | 30 | 2024 |
| [Texan Water](/driller/texan-water.md) | 10 | 460 | 20 | 2023 |
| [Bee Cave Drilling, Inc.](/driller/bee-cave-drilling-inc.md) | 6 | 220 | 10 | 2021–2025 |
| [Magill Well Service](/driller/magill-well-service.md) | 3 | 326 | 50 | 2003–2015 |
| [Highland Drilling Inc.](/driller/highland-drilling-inc.md) | 3 | 240 | 30 | 2009–2010 |
| [Magill Drilling](/driller/magill-drilling.md) | 2 | 240 | 25 | 2016 |
| Legacy V Drilling LLC | 1 | 90 | 40 | 2026 |
| [GAP DRILLING & SERIVICE](/driller/gap-drilling-serivice.md) | 1 | 403 | — | 2023 |
| [Associated Drilling Inc](/driller/associated-drilling-inc.md) | 1 | 220 | — | 2019 |
| [Sarris drilling](/driller/sarris-drilling.md) | 1 | 300 | — | 2014 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 87 | 72.5% | 285 |
| Stock | 29 | 24.2% | 250 |
| Irrigation | 3 | 2.5% | 220 |
| Closed-Loop Geothermal | 1 | 0.8% | 300 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 27 | 320 | 121 |
| 2010s | 43 | 180 | 75 |
| 2020s | 50 | 360 | 76 |

### The deepest reports on file

*Deepest reports in state well grid 57-01. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 644147 | 2023 | 525 | 245 | 30 | Stock |
| 21561 | 2003 | 505 | 275 | 50 | Domestic |
| 364740 | 2014 | 500 | 340 | 45 | Stock |
| 652376 | 2023 | 480 | — | 20 | Domestic |
| 652324 | 2023 | 480 | — | 20 | Domestic |
| 670457 | 2024 | 460 | — | 37 | Domestic |
| 670456 | 2024 | 460 | — | 35 | Domestic |
| 670453 | 2024 | 460 | — | 37 | Domestic |
| 652241 | 2023 | 460 | — | 20 | Domestic |
| 652239 | 2023 | 460 | — | 30 | 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 57-01?

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 [San Saba County](/county/san-saba.md), [Llano County](/county/llano.md), [Mason County](/county/mason.md).

### Grids with a comparable number of reports

- [78-15](/area/78-15.md)
- [83-18](/area/83-18.md)
- [02-58](/area/02-58.md)
- [06-18](/area/06-18.md)
- [29-13](/area/29-13.md)
- [33-28](/area/33-28.md)
- [56-13](/area/56-13.md)
- [69-51](/area/69-51.md)
- [03-61](/area/03-61.md)
- [38-10](/area/38-10.md)
- [56-26](/area/56-26.md)
- [59-25](/area/59-25.md)
- [60-14](/area/60-14.md)

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Página: https://texas-water-wells.pages.dev/area/57-01/
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