Texas well grid 79-46
A 7.5-minute quadrangle of the Texas state well grid, mostly in Refugio County and Wharton County. 373 reports, median depth 140 ft.
373Reports
140 ftMedian depth
36 ftWater at
50 gpmMedian yield
What you will drill through in grid 79-46
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Clay 138, Sand 56, Sandy Clay, Brown 20, Clay,Gray 17, Top Soil 16, Concrete 13 |
| 25–50 ft | Clay 50, Sand 46, Sand & Clay 14, Sand And Clay 10, Sandstone 9, Tan Clay Stiff 8 |
| 50–100 ft | Clay 100, Sand 52, Sand & Clay 21, Clay & Sand 17, Sand And Clay 12, Sandstone 13 |
| 100–200 ft | Clay 92, Sand 95, Sand And Clay 32, Sand & Clay 26, Clay & Sand 18, Sandstone 16 |
| 200–300 ft | Sand 63, Clay 41, Sand & Clay 10, Clay & Sand 6, Sandstone & Clay 5, Clay And Sand 4 |
| 300–500 ft | Sand 12, Clay 12, Clay & Sand 4, Shale 2, Sand & Clay 3, Sand And Clay 1 |
| 500–1000 ft | Shale 1, Sand With Shale Breaks 1 |
Who drills here
| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| CARTER WATER WELL DRILLING | 143 | 215 | 50 | 2003–2026 |
| Vortex Drilling, Inc. | 94 | 25 | — | 2005–2019 |
| EnviroCore, Inc. | 35 | 18 | — | 2003–2023 |
| dba Universal Drilling Services | 12 | 39 | — | 2002–2003 |
| Envirotech Drilling Services LLC | 10 | 25 | — | 2024–2025 |
| Thompson Water Well | 9 | 155 | 40 | 2012–2016 |
| ECI | 9 | 18 | — | 2006–2008 |
| Strata Core Services, LLC | 7 | 45 | — | 2016 |
| Gainco, Inc. | 6 | — | — | 2010 |
| Cady's Water wells | 5 | 195 | 75 | 2007–2023 |
| Vortex Drilling Partners, LP | 4 | 27 | — | 2019–2022 |
| Mathers Environmental Drilling Inc. | 4 | — | — | 2010 |
| Alamo1 Drilling | 3 | 20 | — | 2025 |
| Wel-Mat Drilling LLP | 3 | 30 | — | 2018 |
| qualls drilling | 3 | 60 | — | 2014 |
| BEST DRILLING SERVICES, INC. | 3 | 75 | — | 2009 |
| Alpine Field Services | 3 | — | — | 2005 |
| Texas Southern Drilling | 2 | 265 | 45 | 2022–2024 |
| Mikes Drilling and Pump Service | 2 | 245 | 75 | 2016–2024 |
| MARTIN WATER WELLS | 1 | 305 | — | 2026 |
| 4H Drilling Company | 1 | 220 | 10 | 2024 |
| A C Water Well Serv. | 1 | 160 | — | 2021 |
| Critendon Drilling Service, Inc. | 1 | 330 | 100 | 2019 |
| Roddy Qualls Environmental Drilling | 1 | 25 | — | 2019 |
| James Pawlik Water Wll Service, Inc. | 1 | 255 | 50 | 2016 |
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Monitor | 128 | 34.3% | 25 |
| Domestic | 112 | 30.0% | 210 |
| Environmental Soil Boring | 66 | 17.7% | 20 |
| Stock | 25 | 6.7% | 180 |
| Rig Supply | 20 | 5.4% | 200 |
| Industrial | 14 | 3.8% | 290 |
| Test Well | 6 | 1.6% | — |
| Irrigation | 2 | 0.5% | 886 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 144 | 40 | 31 |
| 2010s | 161 | 138 | 35 |
| 2020s | 68 | 180 | 45 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 380367 | 2014 | 886 | 26 | 1,000 | Irrigation |
| 485584 | 2018 | 540 | 20 | 30 | Domestic |
| 98651 | 2006 | 465 | 3 | 75 | Domestic |
| 705389 | 2025 | 460 | 15 | 75 | Domestic |
| 183673 | 2004 | 442 | — | 100 | Domestic |
| 718250 | 2026 | 440 | 31 | 75 | Stock |
| 700724 | 2025 | 440 | 11 | 60 | Domestic |
| 51492 | 2004 | 440 | 8 | 100 | Domestic |
| 293332 | 2012 | 435 | 20 | 100 | Domestic |
| 411001 | 2015 | 380 | 14 | 60 | 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 79-46?
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, Wharton County.