Texas well grid 57-25
A 7.5-minute quadrangle of the Texas state well grid, mostly in Llano County and Mason County. 132 reports, median depth 130 ft.
132Reports
130 ftMedian depth
31 ftWater at
12 gpmMedian yield
What you will drill through in grid 57-25
| 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
| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| Virdell Drilling Inc. | 72 | 120 | 12 | 2001–2019 |
| Walden Drilling Inc | 29 | 105 | 5 | 2010–2024 |
| Magill Drilling & Water Well Service, LLC | 12 | 180 | 14 | 2016–2025 |
| L & L Drilling Co. | 11 | 265 | 13 | 2002–2020 |
| Magill Drilling | 3 | 245 | 14 | 2015–2016 |
| Trinity Water Solutions | 2 | 150 | 15 | 2022 |
| MAP Water Well Drilling LLC | 1 | 112 | 15 | 2025 |
| Apex Drilling, Inc. | 1 | 200 | — | 2024 |
| CENTRAL TEXAS DRILLING, INC. | 1 | — | — | 2005 |
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 95 | 72.0% | 140 |
| Stock | 37 | 28.0% | 100 |
| 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
| 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.
This grid falls in Llano County, Mason County, Travis County.