# Well grid 57-25, Texas — Llano, Mason — how deep, and through what

> 132 well reports in Texas state well grid 57-25, covering Llano, Mason, Travis. Median depth 130 ft.

## Texas well grid 57-25

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Llano County](/county/llano.md) and [Mason County](/county/mason.md). **132** reports, median depth **130 ft**.

### What you will drill through in grid 57-25

*Logged in state well grid 57-25, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Topsoil** 83 , **Red Granite** 24 , **Granite Gravel** 22 , **Brown Clay & Gravel** 14 , **Black And Red Granite** 12 , **Brown Sandstone** 8 |
| 25–50 ft | **Red Granite** 18 , **Black And Red Granite** 4 , **Gray Granite** 3 , **Gray Sandstone** 2 , **Granite Gravel** 2 , **Black & Red Metamorphic** 2 |
| 50–100 ft | **Red Granite** 10 , **Brown Sandstone** 2 , **Water 2 Gpm** 2 , **Gray Granite** 1 , **Red Metamorphic** 2 , **Red Fractured Granite With Streaks Water** 1 |
| 100–200 ft | **Red Granite** 5 , **Red & Gray Granite** 2 , **Gray Sandstone - Water 2 Gpm** 2 , **Red Sandstone** 2 , **Gray Granite** 2 , **Grey Granite** 1 |
| 200–300 ft | **Red & Brown Sandstone** 1 , **Brown Sandstone With Red & White Layers - Water 10 Gpm** 1 , **Red Sandstone With Brown Layers** 1 , **Red & Brown Sandstone - Water 15 Gpm** 1 , **Water 1 Gpm** 1 , **Red Metamorphic** 1 |
| 300–500 ft | **Brown Sandstone With Red Layers** 1 , **Red & White Sandstone With Brown Layers** 1 , **Brown Sandstone - Water 4 Gpm** 1 , **Brown Sandstone** 1 , **Red, White & Brown Sandstone** 1 , **Red & Brown Sandstone** 1 |

### Who drills here

*Licensed firms in state well grid 57-25, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Virdell Drilling Inc.](/driller/virdell-drilling-inc.md) | 72 | 120 | 12 | 2001–2019 |
| [Walden Drilling Inc](/driller/walden-drilling-inc.md) | 29 | 105 | 5 | 2010–2024 |
| [Magill Drilling & Water Well Service, LLC](/driller/magill-drilling-water-well-service-llc.md) | 12 | 180 | 14 | 2016–2025 |
| [L & L Drilling Co.](/driller/l-l-drilling-co.md) | 11 | 265 | 13 | 2002–2020 |
| [Magill Drilling](/driller/magill-drilling.md) | 3 | 245 | 14 | 2015–2016 |
| [Trinity Water Solutions](/driller/trinity-water-solutions.md) | 2 | 150 | 15 | 2022 |
| [MAP Water Well Drilling LLC](/driller/map-water-well-drilling-llc.md) | 1 | 112 | 15 | 2025 |
| [Apex Drilling, Inc.](/driller/apex-drilling-inc.md) | 1 | 200 | — | 2024 |
| [CENTRAL TEXAS DRILLING, INC.](/driller/central-texas-drilling-inc.md) | 1 | — | — | 2005 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 95 | 72.0% | 140 |
| Stock | 37 | 28.0% | 100 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 39 | 120 | 35 |
| 2010s | 62 | 140 | 32 |
| 2020s | 31 | 140 | 25 |

### The deepest reports on file

*Deepest reports in state well grid 57-25. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 516925 | 2019 | 505 | — | — | Domestic |
| 560936 | 2020 | 484 | 175 | — | Domestic |
| 127602 | 2007 | 400 | 170 | 4 | Domestic |
| 24544 | 2003 | 360 | 212 | 20 | Domestic |
| 560932 | 2020 | 345 | 87 | — | Domestic |
| 516808 | 2019 | 345 | 32 | 10 | Domestic |
| 6952 | 2002 | 340 | 150 | 75 | Domestic |
| 8361 | 2002 | 303 | — | — | Domestic |
| 54458 | 2005 | 300 | 100 | 5 | Domestic |
| 164870 | 2009 | 280 | 141 | 32 | 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 57-25?

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 [Llano County](/county/llano.md), [Mason County](/county/mason.md), [Travis County](/county/travis.md).

### Grids with a comparable number of reports

- [59-17](/area/59-17.md)
- [66-62](/area/66-62.md)
- [77-43](/area/77-43.md)
- [07-03](/area/07-03.md)
- [24-21](/area/24-21.md)
- [34-52](/area/34-52.md)
- [34-60](/area/34-60.md)
- [58-47](/area/58-47.md)
- [64-04](/area/64-04.md)
- [02-56](/area/02-56.md)
- [10-29](/area/10-29.md)
- [38-59](/area/38-59.md)
- [67-02](/area/67-02.md)

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Página: https://texas-water-wells.pages.dev/area/57-25/
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