Texas well grid 57-09
A 7.5-minute quadrangle of the Texas state well grid, mostly in Llano County and Mason County. 217 reports, median depth 185 ft.
217Reports
185 ftMedian depth
44 ftWater at
6 gpmMedian yield
What you will drill through in grid 57-09
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Topsoil 143, Red Granite 45, Red Sandy Clay 37, Alternating Red And Black Granite 22, Black And Red Granite 16, Alternating Red And Grey Granite 15 |
| 25–50 ft | Red Granite 7, Red Metamorphic 6, Gray Granite 5, Grey Sandstone 4, Red & Gray Metamorphic 3, Red And Gray Granite 2 |
| 50–100 ft | Red Metamorphic 8, Gray Granite 6, Red Granite 5, Brown Sandstone 4, Grey Sandstone 3, Pink Granite 2 |
| 100–200 ft | Red Granite 14, Gray Granite 6, Red Metamorphic 3, Grey Granite 2, Black Metamorphic 2, Gray Pink Granite 1 |
| 200–300 ft | Red Granite 3, Break Water Trace 1, Sand 1, Red & Gray Granite 2, Red Metamorphic 2, Blue Sandstone 1 |
| 300–500 ft | Sand 1, Black Granite 1, Blue Sandstone 1, Pink Granite 1, Black & Pink Shist 1, Water 1 Gpm 1 |
| 500–1000 ft | Sand 1, Blue Sandstone 1 |
Who drills here
| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| Walden Drilling Inc | 85 | 200 | 5 | 2010–2024 |
| Virdell Drilling Inc. | 64 | 160 | 8 | 2001–2018 |
| Magill Drilling & Water Well Service, LLC | 47 | 185 | 7 | 2017–2026 |
| Apex Drilling, Inc. | 7 | 240 | 6 | 2008–2026 |
| Bee Cave Drilling, Inc. | 3 | 150 | 2 | 2021–2026 |
| L & L Drilling Co. | 3 | 344 | 4 | 2007–2016 |
| Highland Drilling Inc. | 2 | 540 | 20 | 2005 |
| BoreTek LLC | 1 | 100 | — | 2025 |
| Paul W McAnear | 1 | 250 | — | 2023 |
| Magill Drilling | 1 | 160 | 12 | 2016 |
| Magill Well Service | 1 | 100 | 16 | 2015 |
| Western Water Wells Drilling Inc | 1 | 280 | 1 | 2010 |
| Western Water Wells | 1 | 330 | — | 2005 |
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 117 | 53.9% | 180 |
| Stock | 94 | 43.3% | 200 |
| Irrigation | 6 | 2.8% | 210 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 45 | 200 | 40 |
| 2010s | 81 | 180 | 40 |
| 2020s | 91 | 200 | 50 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 66106 | 2005 | 540 | 361 | 20 | Domestic |
| 722512 | 2026 | 500 | — | 2 | Stock |
| 438272 | 2016 | 405 | 24 | 6 | Domestic |
| 268261 | 2011 | 400 | 95 | — | Domestic |
| 103305 | 2007 | 400 | 100 | 2 | Domestic |
| 124710 | 2007 | 344 | 3 | 3 | Domestic |
| 267535 | 2011 | 340 | 120 | 20 | Domestic |
| 227100 | 2010 | 340 | 200 | 9 | Domestic |
| 1605 | 2001 | 340 | 31 | 30 | Domestic |
| 58951 | 2005 | 330 | — | — | 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 57-09?
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, Burnet County.