Texas well grid 33-20
A 7.5-minute quadrangle of the Texas state well grid, mostly in Dallas County and Grayson County. 333 reports, median depth 25 ft.
333Reports
25 ftMedian depth
15 ftWater at
20 gpmMedian yield
What you will drill through in grid 33-20
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Top Soil 51, Tan Clay 37, Sand 19, Brown Clay 22, Gray Clay 21, Concrete 20 |
| 25–50 ft | Shale 35, Gravel 9, Blue Shale 6, Grey Shale 6, Dark Gray Shale 4, Grey/Brown Sand 4 |
| 50–100 ft | Shale 8, Sand And Fine Gravel 2, Sand And Gravel 2, Grey Shale 1, Sand & Gravel 1 |
| 100–200 ft | Shale, Lime 1 |
| 300–500 ft | Shale 1 |
| 500–1000 ft | Clay 1, Grey Clay 1 |
| 1000–5000 ft | Sandy Shale 1, Sand 1, Shale And Sand Streaks 1, Sand, Shale, Clay 1 |
Who drills here
| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| R.L.Wagstaff Co. | 58 | 41 | 25 | 2001–2026 |
| WEST Drilling | 34 | 20 | — | 2015–2023 |
| Subterra Environmental Services, LLC. | 29 | 30 | — | 2018–2020 |
| MagnaCore Drilling & Environmental Services | 29 | 20 | — | 2003–2015 |
| Environmental Logistics Company, LLC | 27 | 15 | — | 2019–2023 |
| W.E.S.T. Drilling | 27 | 20 | — | 2001–2015 |
| Roddy Qualls Environmental Drilling | 22 | 38 | — | 2014–2022 |
| Sunbelt Industrial Services | 14 | 35 | — | 2011–2025 |
| Groundwater Monitoring Inc. | 12 | 20 | — | 2005–2007 |
| RIOMAR ENVIRONMENTAL DRILLING | 8 | 24 | — | 2010 |
| Savage Excavation | 7 | 25 | — | 2025 |
| Total Support Services | 6 | 20 | — | 2001–2002 |
| ETTL Engineers & Consultants Inc. | 5 | 12 | — | 2007–2019 |
| DIXIE DRILLING | 5 | 20 | — | 2002–2005 |
| Strata Core Services, LLC | 4 | 35 | — | 2011–2012 |
| Gedco drilling and coring inc | 4 | 23 | — | 2005 |
| CM2, Inc. | 4 | 25 | — | 2002 |
| BETTS ENVIRONMENTAL RECOVERY, INC. | 3 | 25 | — | 2024–2026 |
| RIOMAR DRILLING INC | 3 | 20 | — | 2019 |
| qualls drilling | 3 | 30 | — | 2013 |
| Johnson Drilling, Inc. | 3 | — | — | 2010–2013 |
| alpha testing | 2 | 30 | — | 2015 |
| SCI | 2 | 20 | — | 2004–2009 |
| Next-Gen Solutions, Inc. | 2 | — | — | 2002 |
| Hazelett Drilling | 1 | 1,800 | 250 | 2026 |
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Monitor | 178 | 53.5% | 25 |
| Environmental Soil Boring | 70 | 21.0% | 15 |
| Domestic | 46 | 13.8% | 37 |
| Irrigation | 19 | 5.7% | 49 |
| Closed-Loop Geothermal | 7 | 2.1% | 300 |
| Industrial | 5 | 1.5% | 31 |
| Test Well | 3 | 0.9% | 25 |
| Other | 3 | 0.9% | 15 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 123 | 24 | 15 |
| 2010s | 105 | 25 | 10 |
| 2020s | 105 | 30 | 18 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 722460 | 2026 | 1,800 | 199 | 250 | Industrial |
| 597342 | 2021 | 1,411 | 341 | 17 | Irrigation |
| 241203 | 2010 | 300 | — | — | Closed-Loop Geothermal |
| 281740 | 2012 | 250 | — | — | Closed-Loop Geothermal |
| 42657 | 2004 | 120 | 20 | 5 | Domestic |
| 87080 | 2006 | 100 | — | — | Irrigation |
| 576185 | 2021 | 81 | 44 | 23 | Domestic |
| 52123 | 2005 | 79 | 21 | 15 | Domestic |
| 63900 | 2005 | 71 | — | — | Irrigation |
| 193719 | 2009 | 68 | 28 | 750 | Irrigation |
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 33-20?
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 Dallas County, Grayson County, Kaufman County, Brazos County.