Texas well grid 68-28
A 7.5-minute quadrangle of the Texas state well grid, mostly in Bexar County. 875 reports, median depth 15 ft.
875Reports
15 ftMedian depth
29 ftWater at
200 gpmMedian yield
What you will drill through in grid 68-28
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Asphalt 56, Concrete 50, Black Clay 23, Tan Limestone 18, Tan Clay, Dry 8, Clay 14 |
| 25–50 ft | Limestone 6, Tan Silty Clay V.Firm 5, Gray Stiff Laminated Clay (Del Rio) 4, - Becomes Hard To Very Hard. 2, Tan Limestone With Brown Clay (Del Rio) 2, Clay (Cl); Very Pale Brown, (10Yr 8/2), Stiff To Hard, Low P 2 |
| 50–100 ft | Gray Clay (Del Rio) 2, Austin Chalk 2, Gray Shale 2, Brown & Gray Limestone 1, Tan Limestone & Yellow Clay 1, Hard Tan & Brown Limestone With Red Clay Mixed 1 |
| 100–200 ft | Upper Glenrose 5, Eagle Ford Shale 2, Lost Returns 1, Kgru 2, Yellow Rock 2, Hard Brown & Tan Limestone 1 |
| 200–300 ft | Upper Glenrose 3, Buda Limestone 2, Del Rio Clay 2, Tan Limestone 1, Lost Circulation 1, Lost Returns 1 |
| 300–500 ft | Georgetown Limestone 2, Edwards Limestone 2, Kgrl 2, Medium Gray Limestone 2, Water 1, Dark Grey Rock 1 |
| 500–1000 ft | Lower Glenrose 9, Bexar Shale 9, Cow Creek 5, Kcc 2, Light Brown Limestone 2, Hard Edwards Grey & Tan, W Bigger Gravel 1 |
| 1000–5000 ft | Pine Island 6, Cow Creek 4, Sligo 4, Kcc 2, Buff, Tan Limestone 2, Blue & Dark Green Shale, Clay 2 |
Who drills here
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Environmental Soil Boring | 635 | 72.6% | 10 |
| Monitor | 191 | 21.8% | 30 |
| Public Supply | 20 | 2.3% | 1,100 |
| Domestic | 12 | 1.4% | 500 |
| Closed-Loop Geothermal | 10 | 1.1% | 250 |
| Irrigation | 3 | 0.3% | 460 |
| Other | 2 | 0.2% | 100 |
| Stock | 1 | 0.1% | 470 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 229 | 18 | 20 |
| 2010s | 439 | 13 | 171 |
| 2020s | 207 | 12 | 245 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 211993 | 2010 | 1,440 | 288 | 275 | Public Supply |
| 162305 | 2008 | 1,440 | 258 | 200 | Test Well |
| 176582 | 2006 | 1,380 | 155 | 450 | Public Supply |
| 32567 | 2002 | 1,340 | 170 | 380 | Public Supply |
| 32571 | 2002 | 1,200 | 250 | 190 | Public Supply |
| 345394 | 2013 | 1,120 | 450 | — | Public Supply |
| 32564 | 2002 | 1,120 | 170 | 175 | Public Supply |
| 345395 | 2013 | 1,110 | 450 | — | Public Supply |
| 32566 | 2002 | 1,105 | 173 | 170 | Public Supply |
| 170615 | 2003 | 1,100 | 182 | 800 | 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 68-28?
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.