Texas well grid 57-01
A 7.5-minute quadrangle of the Texas state well grid, mostly in San Saba County and Llano County. 120 reports, median depth 280 ft.
120Reports
280 ftMedian depth
84 ftWater at
30 gpmMedian yield
What you will drill through in grid 57-01
| 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
| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| Virdell Drilling Inc. | 44 | 190 | 27 | 2002–2016 |
| Walden Drilling Inc | 21 | 265 | 20 | 2011–2026 |
| Magill Drilling & Water Well Service, LLC | 17 | 208 | 20 | 2020–2026 |
| Elite Drillers Corporation | 10 | 420 | 30 | 2024 |
| Texan Water | 10 | 460 | 20 | 2023 |
| Bee Cave Drilling, Inc. | 6 | 220 | 10 | 2021–2025 |
| Magill Well Service | 3 | 326 | 50 | 2003–2015 |
| Highland Drilling Inc. | 3 | 240 | 30 | 2009–2010 |
| Magill Drilling | 2 | 240 | 25 | 2016 |
| Legacy V Drilling LLC | 1 | 90 | 40 | 2026 |
| GAP DRILLING & SERIVICE | 1 | 403 | — | 2023 |
| Associated Drilling Inc | 1 | 220 | — | 2019 |
| Sarris drilling | 1 | 300 | — | 2014 |
What the wells are for
| 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 |
| 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
| 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.
This grid falls in San Saba County, Llano County, Mason County.