Texas well grid 68-35
A 7.5-minute quadrangle of the Texas state well grid, mostly in Bexar County. 966 reports, median depth 15 ft.
966Reports
15 ftMedian depth
23 ftWater at
30 gpmMedian yield
What you will drill through in grid 68-35
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Concrete 50, Navarro 49, Silt/Clay 33, Asphalt 33, Tan Gray Sandy Clay 16, Sandy Clay 13 |
| 25–50 ft | Navarro 12, Silt/Clay 6, Limestone 3, Gray Clay 2, Sand 3, Shaley Clay Blue Gray 3 |
| 50–100 ft | Limestone/Chalk 3, Gray Limestone 3, Lignite 3, Austin Chalk 2, Eagle Ford Shale 2, Buda Limestone 2 |
| 100–200 ft | Buda 6, Eagleford Shale 3, Del Rio Clay 3, Hard White Limestone 3, Del Rio 3, Austin Chalk 3 |
| 200–300 ft | Georgetown 5, Buda 4, Del Rio 3, Lignite 3, Georgetown Limestone Yellow 2, Edwards Limestone With Water 2 |
| 300–500 ft | Edwards 7, Edwards Limestone 5, Georgetown 5, Del Rio 4, Del Rio Clay 3, Gray Limestone 2 |
| 500–1000 ft | Dark Gray Limestone W/ Shale 1, Edwards Limestone 1, Dark Grey Blue Shaley Lime (Del Rio Shale) 1, Light Grey Lime W/Darker Grey Layers (Georgetown) 1, Tan & White Hard Lime (Porous) 1, Gray Limestone & Shale 1 |
Who drills here
| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| Vortex Drilling, Inc. | 720 | 15 | — | 2006–2019 |
| Vortex Drilling Partners, LP | 41 | 12 | — | 2019–2023 |
| Alamo1 Drilling | 38 | 15 | — | 2025–2026 |
| Envirotech Drilling Services LLC | 30 | 25 | — | 2022–2025 |
| RIOMAR DRILLING INC | 15 | 30 | — | 2014–2020 |
| Talon/LPE | 15 | 11 | — | 2020 |
| Right Drill, LLC. | 10 | 25 | — | 2023–2025 |
| Gainco, Inc. | 9 | 35 | — | 2020–2022 |
| dba Universal Drilling Services | 9 | 40 | — | 2004 |
| TERO DRILLING LLC | 6 | 30 | — | 2019–2026 |
| H & H Drilling | 6 | 380 | 10 | 2003–2015 |
| Total Support Services | 6 | 40 | — | 2002–2006 |
| Pacific West Environmental and Infrastructure | 5 | 3 | — | 2024 |
| SCI | 5 | 30 | — | 2007–2008 |
| Roddy Qualls Environmental Drilling | 4 | 40 | — | 2020 |
| Cascade Technical Services | 3 | 36 | — | 2019 |
| Harrison & Cooper, Inc. | 3 | 218 | — | 2019 |
| City Survey | 3 | 28 | — | 2017–2018 |
| ALPHA & OMEGA DRILLING SERVICES, INC. | 3 | 37 | — | 2005 |
| D K Drilling and Water Systems | 2 | 450 | 75 | 2019–2025 |
| Cutting Edge Core Drilling, Inc. | 2 | 50 | — | 2023 |
| Forney Well Drilling | 2 | 353 | — | 2020 |
| Davenport Drilling & Pump Service | 2 | 525 | 100 | 2002–2018 |
| Davenport Drilling | 2 | 420 | 15 | 2007–2016 |
| Puddle Jumper Well Company | 2 | 360 | 30 | 2006–2010 |
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Environmental Soil Boring | 692 | 71.6% | 10 |
| Monitor | 225 | 23.3% | 25 |
| Domestic | 26 | 2.7% | 420 |
| Test Well | 8 | 0.8% | 30 |
| Other | 6 | 0.6% | 5 |
| Public Supply | 5 | 0.5% | 880 |
| Injection | 1 | 0.1% | 20 |
| Irrigation | 1 | 0.1% | 525 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 460 | 15 | 15 |
| 2010s | 350 | 18 | 23 |
| 2020s | 156 | 15 | 29 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 140079 | 2008 | 920 | 219 | — | Public Supply |
| 520602 | 2019 | 915 | 140 | — | Public Supply |
| 182927 | 2006 | 880 | 132 | — | Public Supply |
| 77106 | 2004 | 690 | 105 | 230 | Public Supply |
| 34156 | 2004 | 680 | 61 | 150 | Domestic |
| 446238 | 2017 | 665 | 13 | 50 | Domestic |
| 308271 | 2012 | 651 | 85 | — | Public Supply |
| 55447 | 2005 | 603 | — | 40 | Domestic |
| 499637 | 2018 | 525 | 280 | 100 | Irrigation |
| 156965 | 2002 | 525 | 240 | 30 | 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 68-35?
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.