Texas well grid 68-12
A 7.5-minute quadrangle of the Texas state well grid, mostly in Kendall County and Comal County. 728 reports, median depth 400 ft.
728Reports
400 ftMedian depth
220 ftWater at
10 gpmMedian yield
What you will drill through in grid 68-12
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Topsoil 284, Caliche 117, Top Soil 36, White Limestone 33, White Rock 29, Caliche Rock 25 |
| 25–50 ft | Tan Lime 16, Cream Lime 14, Gray Lime 12, No Returns 11, Grey Limestone 10, Grey Rock & Clay 9 |
| 50–100 ft | Tan Lime 31, Gray Lime 26, Cream Lime 21, Light Gray Lime 18, Tan Rock 16, Tan Limestone 13 |
| 100–200 ft | Gray Lime 38, Tan Lime 37, Cream Lime 30, Tan 22, Tan Rock 21, Light Gray Lime 19 |
| 200–300 ft | Grey Shale 39, Gray Lime 28, Grey Rock 27, Tan Lime 22, Cream Lime 21, Grey 21 |
| 300–500 ft | Grey Shale 56, Light Gray Lime 24, Gray Lime 30, Tan Lime 18, Grey Rock 18, Pine Island Shale 21 |
| 500–1000 ft | Grey Shale 12, Grey Rock & Shale 5, Td 4, Pine Island Shale 4, Grey 4, Blue Shale 3 |
Who drills here
| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| TR Drilling & Service LLC | 309 | 380 | 7 | 2003–2025 |
| H. W. Schwope & Sons Inc. | 143 | 385 | 12 | 2003–2026 |
| Puddle Jumper Well Company | 61 | 400 | 12 | 2003–2026 |
| Louis Bergmann & Sons | 30 | 342 | 10 | 2003–2024 |
| Spring Branch Water Well Service | 25 | 422 | 10 | 2015–2025 |
| H & H Drilling | 23 | 440 | 10 | 2004–2025 |
| BoMax Industries, Inc. | 17 | 500 | 8 | 2002–2013 |
| TR Drilling and Service | 12 | 400 | 5 | 2003–2025 |
| Martinez Water Well | 11 | 400 | 12 | 2003–2012 |
| Armadigger, Inc. | 11 | 420 | 10 | 2003–2007 |
| R.R.R. PUMP SALES & SERVICE, INC. | 7 | 400 | 15 | 2003–2018 |
| MAP Water Well Drilling LLC | 6 | 435 | 8 | 2017–2019 |
| Louis Bergmann and Sons | 6 | 390 | 9 | 2003–2005 |
| HW Schwope and Sons Inc | 5 | 385 | 10 | 2011–2013 |
| Vortex Drilling, Inc. | 5 | — | — | 2011 |
| H.W. Schwope and Sons, Inc. | 5 | 210 | — | 2003 |
| TR Drilling | 4 | 450 | 10 | 2023–2024 |
| L & L Drilling Co. | 4 | 463 | 15 | 2007–2008 |
| Geoprojects International, Inc. | 2 | 480 | 20 | 2003–2025 |
| BUDDY'S SEPTIC & WATER WELL SVC LLC | 2 | 3,110 | 10 | 2019–2020 |
| Associated Drilling Inc | 2 | 470 | — | 2014–2017 |
| HW Schwope & Sons Inc. | 2 | 485 | 6 | 2011 |
| Aquatech Drilling, Inc. | 2 | 560 | 15 | 2010–2012 |
| Oasis Well Service | 2 | — | 15 | 2008 |
| H.W. Schwope | 2 | 435 | — | 2004–2007 |
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 672 | 92.3% | 400 |
| Stock | 19 | 2.6% | 260 |
| Test Well | 11 | 1.5% | 410 |
| Public Supply | 9 | 1.2% | 400 |
| Environmental Soil Boring | 5 | 0.7% | — |
| Other | 4 | 0.5% | 440 |
| Closed-Loop Geothermal | 4 | 0.5% | 250 |
| Monitor | 1 | 0.1% | 340 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 346 | 400 | 240 |
| 2010s | 267 | 400 | 200 |
| 2020s | 115 | 400 | 228 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 531604 | 2019 | 3,110 | 171 | 10 | Domestic |
| 304658 | 2012 | 660 | — | — | Domestic |
| 186413 | 2009 | 660 | 285 | — | Domestic |
| 693503 | 2025 | 644 | — | — | Domestic |
| 550921 | 2020 | 640 | 120 | — | Domestic |
| 335725 | 2006 | 635 | 434 | — | Domestic |
| 315461 | 2013 | 620 | 325 | — | Domestic |
| 313486 | 2013 | 620 | — | — | Domestic |
| 598939 | 2022 | 604 | — | — | Domestic |
| 426050 | 2016 | 600 | 280 | — | 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 68-12?
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 Kendall County, Comal County.