Texas well grid 68-37
A 7.5-minute quadrangle of the Texas state well grid, mostly in Bexar County. 6,899 reports, median depth 15 ft.
6,899Reports
15 ftMedian depth
18 ftWater at
12 gpmMedian yield
What you will drill through in grid 68-37
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Asphalt 405, Concrete 299, Silty Clay 167, Clay 122, Fill 132, Top Soil 134 |
| 25–50 ft | No Recovery 7, Navarro Clay 12, Navarro 11, Clay (Ch), Light Brown With Gray Streaks, Dry, Very Plastic, 9, Clayey Gravel To Clay (Gc), Brown, Wet, Cherty, Rounded To S 9, Silty Clay, Lt. Gray Matrix With Lt. Brownish Yellow 7 |
| 50–100 ft | Grey Shale 67, Gray Clay 8, Grey Clay 8, Pecan Gap 5, Shale 5, Gray Shale 4 |
| 100–200 ft | Grey Shale 48, Grey Limestone 11, Grey Shale And Limestone 7, Sticky Gray Clay 2, Gray Clay 2, Gray Shale 3 |
| 200–300 ft | Grey Limestone 32, Grey Shale And Limestone 6, Austin Chalk 5, Grey Rock And Clay 4, Light Grey Limestone 4, Grey Limestone And Shale 2 |
| 300–500 ft | Grey Limestone 40, Grey Shale And Limestone 11, Gray Rock 7, Grey Rock 8, Light Grey Rock 5, Grey Rock And Clay 3 |
| 500–1000 ft | Buda Limestone 5, Grey Rock 4, Limestone 3, Del Rio 3, Light Tan Rock 2, Limestone And Gray Clay Mixed 2 |
| 1000–5000 ft | Limestone And Chalk 2, Limestone With Chert Streaks 2, Limestone, Fine Almost As If Sand 2, Limestone, Fine Grain Like Sand 2, Limestone, Changed To Dark Limestone 2, Dark Brown Limestone T.D. 2 |
Who drills here
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Environmental Soil Boring | 4,903 | 71.1% | 12 |
| Monitor | 1,687 | 24.5% | 25 |
| Irrigation | 168 | 2.4% | 320 |
| Domestic | 54 | 0.8% | 485 |
| Injection | 29 | 0.4% | 20 |
| Other | 16 | 0.2% | 8 |
| Test Well | 13 | 0.2% | 30 |
| Closed-Loop Geothermal | 13 | 0.2% | 250 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 1,342 | 15 | 18 |
| 2010s | 4,080 | 17 | 18 |
| 2020s | 1,477 | 18 | 31 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 570288 | 2021 | 1,680 | — | — | Public Supply |
| 108805 | 2007 | 1,430 | — | 1,200 | Industrial |
| 639496 | 2023 | 1,321 | 19 | — | Other |
| 641816 | 2023 | 1,300 | 16 | — | Public Supply |
| 270258 | 2011 | 1,020 | 0 | — | Industrial |
| 572754 | 2021 | 952 | 78 | — | Irrigation |
| 430648 | 2016 | 908 | 0 | 1,250 | Public Supply |
| 402045 | 2015 | 900 | 105 | 350 | Irrigation |
| 449033 | 2017 | 720 | 330 | 20 | Domestic |
| 715085 | 2025 | 700 | 450 | 5 | Irrigation |
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 68-37?
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 Bexar County.