Texas well grid 57-45
A 7.5-minute quadrangle of the Texas state well grid, mostly in Blanco County. 421 reports, median depth 310 ft.
421Reports
310 ftMedian depth
63 ftWater at
20 gpmMedian yield
What you will drill through in grid 57-45
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Brown Topsoil 79, Top Soil 57, Topsoil 52, Tan Ls 19, Caliche 20, Gray Limestone 19 |
| 25–50 ft | Gray Limestone 10, Brown Limestone 9, White & Red Limestone 7, White Limestone 6, Tan Limestone 3, Gray Shale & Clay 4 |
| 50–100 ft | Gray Limestone 21, White Limestone 10, Water 2 Gpm 10, White & Red Limestone 9, Water 1 Gpm 7, Brown Limestone 9 |
| 100–200 ft | Gray Limestone 29, Brown Limestone 20, White Limestone 14, Water 2 Gpm 14, Water 1 Gpm 10, White & Red Limestone 12 |
| 200–300 ft | Gray Limestone 23, Water 1 Gpm 13, Gray & White Limestone 13, Brown Limestone 10, Gray & Brown Limestone 8, White Limestone 5 |
| 300–500 ft | White & Red Limestone 15, Gray Limestone 20, Water 1 Gpm 9, Gray & White Limestone 8, Water 5 Gpm 8, Brown Limestone 8 |
| 500–1000 ft | Gray Limestone 6, White & Gray Limestone 3, Water 2 Gpm 3, Water 4 Gpm 3, White Limestone 2, Grey Lime 2 |
| 1000–5000 ft | Gray/Red Shale 1, Tan/White/Gray Sandstone 10Gpm 1, White/Red Sandstone 15 Gpm 1, Water 1 Gpm 1, White Limestone With Red Streaks 1, White Limestone With Gray Layers - Water 1 Gpm 1 |
Who drills here
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 324 | 77.0% | 345 |
| Monitor | 39 | 9.3% | 35 |
| Environmental Soil Boring | 29 | 6.9% | 7 |
| Test Well | 15 | 3.6% | 368 |
| Irrigation | 4 | 1.0% | 460 |
| Stock | 3 | 0.7% | 340 |
| Closed-Loop Geothermal | 3 | 0.7% | 300 |
| Public Supply | 3 | 0.7% | 425 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 1980s | 1 | 150 | 26 |
| 2000s | 175 | 204 | 51 |
| 2010s | 94 | 350 | 75 |
| 2020s | 151 | 380 | 72 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 674708 | 2024 | 1,309 | 224 | 25 | Domestic |
| 642488 | 2023 | 1,107 | 47 | 22 | Domestic |
| 629349 | 2023 | 1,040 | — | — | Monitor |
| 510073 | 2019 | 1,008 | 84 | 13 | Domestic |
| 627752 | 2022 | 987 | 150 | 50 | Domestic |
| 154680 | 2008 | 987 | 74 | 10 | Domestic |
| 300428 | 2012 | 929 | 65 | 11 | Domestic |
| 642484 | 2023 | 927 | 50 | 8 | Domestic |
| 167245 | 2009 | 907 | 32 | 17 | Domestic |
| 60118 | 2004 | 900 | — | 20 | 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 57-45?
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.