Texas well grid 57-49
A 7.5-minute quadrangle of the Texas state well grid, mostly in Gillespie County and Kerr County. 531 reports, median depth 315 ft.
531Reports
315 ftMedian depth
158 ftWater at
25 gpmMedian yield
What you will drill through in grid 57-49
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Topsoil 190, Brown Topsoil 51, Caliche 38, Red Clay 32, Brown Clay 32, Caliche & Gravel 25 |
| 25–50 ft | Gray Shale & Limestone 16, Red Clay 10, Gray Limestone 9, Gray Clay 8, Gray Shale & Clay 9, Gray Clay & Shale 7 |
| 50–100 ft | Brown Sand 15, Gray Shale & Clay 18, Red Clay 11, Red Shale & Clay 6, Water 10 Gpm 6, Gray Clay 6 |
| 100–200 ft | Red Clay 30, Brown Sand 20, Red Sand 10, Gray Limestone 11, Red Shale & Clay 7, Water 2 Gpm 10 |
| 200–300 ft | Gray Sand 13, Brown Sand 11, Gray Clay 10, Water 5 Gpm 5, Gray Shale & Clay 6, Grey Clay 7 |
| 300–500 ft | Gray Sand 20, Brown Sand 12, Gray Sandstone 13, Gray Limestone 10, Water 10 Gpm 12, Gray Shale 9 |
| 500–1000 ft | Quartz Sand 18, Big Quartz Sand 8, Hard Rock 7, Red Clay 5, Sand 4, Red Sandstone 4 |
Who drills here
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 471 | 88.7% | 338 |
| Stock | 27 | 5.1% | 180 |
| Irrigation | 12 | 2.3% | 360 |
| Test Well | 9 | 1.7% | 370 |
| Monitor | 4 | 0.8% | 40 |
| Environmental Soil Boring | 4 | 0.8% | 15 |
| Public Supply | 2 | 0.4% | 400 |
| Closed-Loop Geothermal | 2 | 0.4% | 300 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 140 | 240 | 122 |
| 2010s | 235 | 350 | 205 |
| 2020s | 156 | 398 | 230 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 445164 | 2016 | 1,153 | 353 | — | Monitor |
| 118209 | 2007 | 900 | — | 12 | Domestic |
| 630191 | 2023 | 725 | 132 | — | Domestic |
| 403299 | 2015 | 710 | 220 | — | Domestic |
| 693844 | 2025 | 660 | 435 | 20 | Domestic |
| 634465 | 2023 | 660 | 411 | 20 | Domestic |
| 708391 | 2025 | 640 | 424 | — | Domestic |
| 696657 | 2025 | 640 | 424 | — | Domestic |
| 604273 | 2022 | 640 | 415 | 20 | Domestic |
| 585345 | 2021 | 640 | 425 | — | 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 57-49?
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 Gillespie County, Kerr County, Kendall County, Hays County, San Saba County.