Texas well grid 57-44
A 7.5-minute quadrangle of the Texas state well grid, mostly in Blanco County and Gillespie County. 158 reports, median depth 300 ft.
158Reports
300 ftMedian depth
49 ftWater at
20 gpmMedian yield
What you will drill through in grid 57-44
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Brown Topsoil 42, Topsoil 33, Brown Clay 17, White Caliche 12, Top Soil 11, Brown Limestone 11 |
| 25–50 ft | Yellow Clay 5, Brown & Gray Limestone 5, Red & Brown Limestone 4, Brown Limestone 4, Gray Limestone 4, White & Brown Limestone 3 |
| 50–100 ft | Gray Limestone 14, Brown Limestone 8, Water 1 Gpm 6, Brown & Gray Limestone 5, Water 2 Gpm 4, White & Red Limestone 3 |
| 100–200 ft | Gray Limestone 23, Brown Limestone 15, Gray & Brown Limestone 9, Water 2 Gpm 7, Water 1 Gpm 4, Brown & Gray Limestone 5 |
| 200–300 ft | Brown Limestone 10, Gray Limestone 8, Brown & White Limestone 6, Water 5 Gpm 5, Gray & Brown Limestone 5, Water 2 Gpm 2 |
| 300–500 ft | Gray Limestone 13, Gray & White Limestone 7, Gray Gneiss 3, Brown Limestone 6, Water 5 Gpm 5, Gray & Brown Limestone 5 |
| 500–1000 ft | Red Sandstone 2, Gray Sandy Limestone 1, Gray Sandstone 2, Red & Gray Shale With Limestone Layers 1, Brown & Gray Limestone With Shale Layers 1, Gray Limestone With Reddish Shale 1 |
| 1000–5000 ft | Red Granite 2, Red & White Sandstone 2, Pink Granite 2, White Sandstone With Gray Shale - Water 21 Gpm 1, Tan & Gray Sandstone With Red Shale 1, Red & White Sandstone - Water 10 Gpm 1 |
Who drills here
| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| L & L Drilling Co. | 100 | 306 | 30 | 2002–2026 |
| Virdell Drilling Inc. | 25 | 180 | 18 | 2002–2017 |
| Apex Drilling, Inc. | 11 | 260 | 10 | 2010–2025 |
| Hill Country Water Well Drilling | 4 | 440 | 3 | 2025 |
| Bee Cave Drilling, Inc. | 4 | 400 | 200 | 2017–2024 |
| Spring Branch Water Well Service | 3 | 300 | 20 | 2015–2022 |
| Magill Drilling & Water Well Service, LLC | 2 | 205 | 20 | 2025 |
| Walden Drilling Inc | 2 | 320 | 10 | 2015–2018 |
| Highland Drilling Inc. | 2 | 500 | 15 | 2006–2008 |
| Associated Drilling Inc | 1 | 310 | — | 2026 |
| Edmond's Water Well Drilling | 1 | 130 | 18 | 2023 |
| Texan Water | 1 | 400 | — | 2022 |
| H. W. Schwope & Sons Inc. | 1 | 660 | — | 2008 |
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 145 | 91.8% | 300 |
| Stock | 6 | 3.8% | 320 |
| Public Supply | 3 | 1.9% | 400 |
| Irrigation | 3 | 1.9% | 358 |
| Closed-Loop Geothermal | 1 | 0.6% | 265 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 38 | 300 | 53 |
| 2010s | 75 | 238 | 42 |
| 2020s | 45 | 400 | 66 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 462171 | 2017 | 1,247 | 382 | 18 | Domestic |
| 633515 | 2023 | 1,207 | 92 | 45 | Domestic |
| 460932 | 2017 | 1,138 | 310 | 35 | Domestic |
| 643838 | 2023 | 1,075 | 30 | 25 | Domestic |
| 567709 | 2021 | 1,069 | 150 | 30 | Domestic |
| 604316 | 2022 | 1,014 | 72 | 40 | Domestic |
| 593566 | 2021 | 967 | — | 30 | Domestic |
| 253201 | 2011 | 717 | 340 | 1 | Domestic |
| 231940 | 2008 | 660 | — | — | Domestic |
| 69045 | 2005 | 640 | 60 | 6 | 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 57-44?
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 Blanco County, Gillespie County, Kendall County.