Texas well grid 57-36
A 7.5-minute quadrangle of the Texas state well grid, mostly in Blanco County and Gillespie County. 141 reports, median depth 200 ft.
141Reports
200 ftMedian depth
54 ftWater at
15 gpmMedian yield
What you will drill through in grid 57-36
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Topsoil 38, Top Soil 36, Brown Topsoil 27, Brown Clay 12, Granite Gravel 9, Red Clay 6 |
| 25–50 ft | Granite Gravel 4, Brown Limestone 3, Red Granite 4, Tan Ls 3, Black Granite 3, Gray Granite 3 |
| 50–100 ft | Red Granite 8, Gray Limestone 5, Gray Granite 4, Pink Granite 4, Brown Limestone 3, Water 2 Gpm 3 |
| 100–200 ft | Red Granite 8, Black Granite 7, Break 3, Water 4 Gpm 4, Brown Sandstone 3, Water 6 Gpm 3 |
| 200–300 ft | Red Granite 6, Water 1 Gpm 3, Black Granite 3, Water 2 Gpm 3, Red Granite With Black Layers 2, Black & Red Granite 2 |
| 300–500 ft | Red Granite 3, Black Granite 4, Red Ss 3, Black/Red Granite 2, Gray White Sand 1, Broken Brown Limestone 2 |
| 500–1000 ft | Grey Sandstone 1, Tan Gray Ss 1, Brown Tan Gray Ss 1, Red Ss 1, Gray Tan Ls W/ White Sand 1, Sand 1 |
| 1000–5000 ft | Clay 1 |
Who drills here
| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| L & L Drilling Co. | 43 | 224 | 13 | 2001–2025 |
| Apex Drilling, Inc. | 38 | 200 | 23 | 2009–2026 |
| Virdell Drilling Inc. | 23 | 150 | 25 | 2001–2019 |
| Walden Drilling Inc | 11 | 240 | 8 | 2012–2026 |
| Magill Drilling & Water Well Service, LLC | 6 | 125 | 12 | 2017–2024 |
| Bee Cave Drilling, Inc. | 6 | 200 | 30 | 2016–2022 |
| Texan Water | 2 | 315 | 40 | 2020–2023 |
| Associated Drilling Inc | 2 | 105 | 10 | 2014 |
| J and J Water Wells | 1 | 150 | — | 2025 |
| Centex Pump & Supply, Inc. | 1 | 400 | — | 2023 |
| aquatech solutions | 1 | 160 | 10 | 2023 |
| Sarris drilling | 1 | 300 | — | 2016 |
| J&S WATER WELLS | 1 | 1,010 | 140 | 2014 |
| Western Water Wells | 1 | 600 | — | 2009 |
| CENTRAL TEXAS DRILLING, INC. | 1 | — | 25 | 2008 |
| HARRISON WELL SERVICE, INC. | 1 | 480 | 10 | 2008 |
| Highland Drilling Inc. | 1 | 280 | 40 | 2006 |
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 112 | 79.4% | 200 |
| Stock | 19 | 13.5% | 200 |
| Unknown | 6 | 4.3% | 240 |
| Irrigation | 2 | 1.4% | 310 |
| Closed-Loop Geothermal | 1 | 0.7% | 300 |
| Fracking Supply | 1 | 0.7% | 1,010 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 32 | 204 | 60 |
| 2010s | 49 | 183 | 54 |
| 2020s | 60 | 220 | 52 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 369531 | 2014 | 1,010 | 80 | 140 | Fracking Supply |
| 147371 | 2008 | 910 | 240 | 50 | Domestic |
| 282257 | 2009 | 900 | — | 25 | Domestic |
| 133831 | 2008 | 840 | 400 | 15 | Domestic |
| 711988 | 2025 | 785 | 100 | — | Domestic |
| 695744 | 2025 | 600 | 75 | 3 | Stock |
| 600368 | 2022 | 600 | — | — | Domestic |
| 314599 | 2013 | 600 | 275 | 17 | Domestic |
| 181163 | 2009 | 600 | — | — | Domestic |
| 563906 | 2020 | 505 | — | — | 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 57-36?
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, Burleson County, Mills County, San Saba County.