Texas well grid 68-16
A 7.5-minute quadrangle of the Texas state well grid, mostly in Comal County and Hays County. 433 reports, median depth 600 ft.
433Reports
600 ftMedian depth
281 ftWater at
10 gpmMedian yield
What you will drill through in grid 68-16
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Top Soil 80, Yellow Limestone 48, Tan Limestone 23, Top Soil/ Loose Rocks 22, Topsoil 18, Fractured Tan Limestone/ Red Clay 15 |
| 25–50 ft | Lost Returns 17, Tan Limestone 8, Yellow Limestone 4, Yellowish Tan Limestone 3, Edwards 3, White Limestone 3 |
| 50–100 ft | Lost Returns 33, Yellow Limestone 10, Yellow Lime 9, Tan Limestone 6, Fractured Tan Limestone 6, White Limestone 6 |
| 100–200 ft | Lost Returns 49, Yellow Limestone 25, Tan Limestone 15, White Limestone 10, Blue Limestone 9, No Returns 6 |
| 200–300 ft | Lost Returns 25, Gray Limestone 22, Blue Limestone 19, Yellow Limestone 15, Gray Lime 8, Tan Limestone 6 |
| 300–500 ft | Lost Returns 11, Tan Limestone 9, Gray Limestone 8, Gray/Tan Limestone 7, Blue Limestone 7, No Returns 5 |
| 500–1000 ft | Brown Lime 8, Gray Limestone 7, Lower Glenrose 6, Gray Lime 6, Gray Shale 5, Lost Returns 4 |
| 1000–5000 ft | Cow Creek 8, Bexar Shale 7, Pine Island Shale 3, Pine Island 1, Light Gray Limestone With Sandstone Stringers 1, Gray Shale And Clay 1 |
Who drills here
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 346 | 79.9% | 620 |
| Environmental Soil Boring | 38 | 8.8% | 30 |
| Monitor | 18 | 4.2% | 40 |
| Public Supply | 14 | 3.2% | 1,250 |
| Industrial | 6 | 1.4% | 1,205 |
| Stock | 4 | 0.9% | 430 |
| Closed-Loop Geothermal | 4 | 0.9% | 250 |
| Test Well | 2 | 0.5% | 740 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 171 | 600 | 277 |
| 2010s | 151 | 620 | 285 |
| 2020s | 111 | 400 | 300 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 494514 | 2018 | 1,341 | 308 | 32 | Public Supply |
| 494523 | 2018 | 1,340 | 2,908 | 34 | Public Supply |
| 488641 | 2018 | 1,340 | 242 | 45 | Public Supply |
| 480010 | 2018 | 1,330 | 276 | 17 | Public Supply |
| 434389 | 2016 | 1,287 | 140 | 109 | Industrial |
| 138752 | 2005 | 1,280 | 176 | 275 | Industrial |
| 487584 | 2018 | 1,250 | 312 | 127 | Public Supply |
| 406493 | 2015 | 1,205 | — | — | Industrial |
| 629301 | 2022 | 1,170 | 420 | — | Public Supply |
| 553366 | 2020 | 1,160 | 412 | — | Public Supply |
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 68-16?
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 Comal County, Hays County, Bexar County, Kendall County, Travis County.