Texas well grid 57-27
A 7.5-minute quadrangle of the Texas state well grid, mostly in Llano County. 165 reports, median depth 160 ft.
165Reports
160 ftMedian depth
36 ftWater at
11 gpmMedian yield
What you will drill through in grid 57-27
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Topsoil 113, Metamorphic Gravel & Clay 20, Top Soil 19, Granite Gravel 19, Brown Clay & Gravel 18, Red & Black Metamorphic 17 |
| 25–50 ft | Red & Black Metamorphic 16, Red Granite 10, Red Metamorphic 4, Pink Granite 2, Black Metamorphic W/Red Streaks 2, Water 1 Gpm 1 |
| 50–100 ft | Black Metamorphic 6, Red & Black Metamorphic 5, Red Granite 4, Dark Gray Metamorphic 3, Pink Black Granite 2, Gray Granite 2 |
| 100–200 ft | Water 1 Gpm 4, Red Granite 5, Red Metamorphic 5, Black Granite 3, Grey Dolemite 3, Brown Sandstone 3 |
| 200–300 ft | Water 1 Gpm 3, Brown Sandy Limestone 1, Pink Granite 1, Tan Gray Black Granite 1, Tan Gray Green Granite 1, Gray Granite 1 |
| 300–500 ft | Black Granite 1, Red Granite 1, Pink Granite 1, Red Sandstone 1, Grey Sandstone 1, Gray Lime 1 |
| 500–1000 ft | Tan Granite 1, Black Granite 1, White Limestone 1, Blue Gray Limestone 1, Red White Sandstone 1 |
Who drills here
| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| Virdell Drilling Inc. | 93 | 120 | 15 | 2001–2018 |
| Magill Drilling & Water Well Service, LLC | 22 | 205 | 12 | 2017–2026 |
| Apex Drilling, Inc. | 16 | 220 | 10 | 2018–2025 |
| L & L Drilling Co. | 10 | 217 | 8 | 2003–2020 |
| Bee Cave Drilling, Inc. | 9 | 300 | 10 | 2021–2025 |
| Walden Drilling Inc | 7 | 120 | 3 | 2016–2024 |
| Associated Drilling Inc | 2 | 750 | 5 | 2019–2024 |
| Highland Drilling Inc. | 2 | 160 | — | 2006 |
| MAP Water Well Drilling LLC | 1 | 42 | 10 | 2025 |
| J and J Water Wells | 1 | 85 | — | 2025 |
| Magill Drilling | 1 | 120 | 13 | 2016 |
| Western Water Wells | 1 | 300 | — | 2008 |
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 127 | 77.0% | 165 |
| Stock | 32 | 19.4% | 120 |
| Unknown | 5 | 3.0% | 280 |
| Irrigation | 1 | 0.6% | 120 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 69 | 140 | 33 |
| 2010s | 48 | 120 | 42 |
| 2020s | 48 | 245 | 63 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 680805 | 2024 | 750 | 483 | 5 | Domestic |
| 657814 | 2024 | 605 | 470 | — | Domestic |
| 712253 | 2025 | 540 | — | — | Domestic |
| 728501 | 2026 | 405 | 188 | 12 | Domestic |
| 656230 | 2023 | 405 | 105 | 19 | Domestic |
| 575536 | 2021 | 405 | — | — | Domestic |
| 574537 | 2021 | 405 | — | — | Domestic |
| 657352 | 2024 | 400 | 240 | — | Stock |
| 45817 | 2004 | 400 | — | — | Domestic |
| 581588 | 2021 | 390 | 34 | 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 57-27?
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.