Texas well grid 79-47
A 7.5-minute quadrangle of the Texas state well grid, mostly in Refugio County and Karnes County. 131 reports, median depth 40 ft.
131Reports
40 ftMedian depth
30 ftWater at
75 gpmMedian yield
What you will drill through in grid 79-47
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Clay 77, Sand 26, Tan Sand 21, Silty Clay 7, Clay; Tan 8, Clayey Sand 5 |
| 25–50 ft | Sand 18, Clay 12, Sand & Clay 3, Clay & Sand 3, Clayey Sand 3, Sandy Clay 2 |
| 50–100 ft | Clay 35, Sand 24, Sand & Clay 15, Clay And Sand 2, Sandstone 2, Sand & Gravel 1 |
| 100–200 ft | Clay 41, Sand 35, Sand & Clay 12, Sandstone 5, Clay & Sand 4, Sandstone & Clay 4 |
| 200–300 ft | Sand 24, Clay 20, Sandstone & Clay 6, Sand & Clay 6, Clay & Sand 3, Clay And Sand 2 |
| 300–500 ft | Clay 8, Sand 8, Layered Sand & Shale 2, Hard Clay 1, Sand Mixed With Clay 1, Clay And Sand Streaks 1 |
| 500–1000 ft | Clay 2, Sand & Rock 1, Sand 1, Hard Clay 1, Sandy Clay, Stick In Places 1, Sticky Clay 1 |
| 1000–5000 ft | Sand 1 |
Who drills here
| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| CARTER WATER WELL DRILLING | 44 | 260 | 75 | 2003–2024 |
| ESN-South | 28 | 12 | — | 2004 |
| BEST DRILLING SERVICES, INC. | 17 | 25 | — | 2006–2013 |
| EnviroCore, Inc. | 10 | 26 | — | 2011–2019 |
| Vortex Drilling, Inc. | 9 | 30 | — | 2016–2018 |
| Advanced Drilling Systems, Inc. | 5 | — | — | 2008 |
| Hydro Resources Mid Continent Inc. | 4 | 650 | — | 2018 |
| Fugro Consultants | 3 | 35 | — | 2013 |
| BULLS EYE SERVICES LLC | 2 | 285 | 60 | 2024 |
| J&S WATER WELLS | 2 | 1,035 | 500 | 2021 |
| M&C WATERWELL DRILLING | 2 | 420 | 75 | 2009 |
| dba Universal Drilling Services | 2 | 68 | — | 2003 |
| MARTIN WATER WELLS | 1 | 121 | — | 2009 |
| ESN | 1 | 27 | — | 2005 |
| dba Universal Drillinmg Services | 1 | 40 | — | 2003 |
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Monitor | 60 | 45.8% | 25 |
| Rig Supply | 21 | 16.0% | 280 |
| Domestic | 19 | 14.5% | 300 |
| Environmental Soil Boring | 17 | 13.0% | 20 |
| Industrial | 5 | 3.8% | 260 |
| Stock | 4 | 3.1% | 180 |
| Test Well | 3 | 2.3% | 30 |
| Irrigation | 2 | 1.5% | 340 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 76 | 27 | 25 |
| 2010s | 49 | 35 | 35 |
| 2020s | 6 | 300 | 30 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 570497 | 2021 | 1,035 | — | 500 | Industrial |
| 481385 | 2018 | 650 | — | — | Monitor |
| 481384 | 2018 | 650 | — | — | Monitor |
| 481382 | 2018 | 650 | — | — | Monitor |
| 481381 | 2018 | 650 | — | — | Monitor |
| 199400 | 2009 | 420 | 120 | 75 | Rig Supply |
| 199397 | 2009 | 420 | 120 | 75 | Rig Supply |
| 570470 | 2021 | 390 | 12 | 80 | Rig Supply |
| 509284 | 2019 | 380 | 21 | 75 | Rig Supply |
| 144651 | 2008 | 368 | 45 | 50 | Rig 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 79-47?
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 Refugio County, Karnes County.