Texas well grid 18-42
A 7.5-minute quadrangle of the Texas state well grid, mostly in Collin County and Denton County. 230 reports, median depth 685 ft.
230Reports
685 ftMedian depth
453 ftWater at
25 gpmMedian yield
What you will drill through in grid 18-42
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Gray Shale 53, Topsoil 48, Yellow Clay 46, Black Topsoil 29, Top Soil 13, Shale 11 |
| 25–50 ft | Gray Shale 28, Shale 3, Black Shale 2, Clay 2, Blue Shale 2, Rotten Gray Shale/ Sandy 1 |
| 50–100 ft | Gray Shale 44, Shale 3, Black Shale 2, Shale And Clay 2, Gray Shale/Black Shale 1, Black Shale/Tan Clay 1 |
| 100–200 ft | Gray Shale 4, Shale 3, Sand 3, Sandy Gray Shale 1, Black Clay 1, Blueshale Pinkshale 1 |
| 200–300 ft | Sand 18, Gray Shale 13, Shale 3, Sandy Shale 3, Rock 2, Sand And Shale 1 |
| 300–500 ft | Sand 46, Gray Shale 21, Sandy Shale 13, Shale 8, Gray Shale/Sand 6, Sandy Gray Shale 4 |
| 500–1000 ft | Sand 93, Gray Shale 62, Shale 40, Sand And Shale 9, Sandy Shale 11, Gray Shale/Sand 11 |
| 1000–5000 ft | Sand 11, Gray Shale 9, Tan Limestone 6, Sand Shale Sequence 5, Lime 2, Lime Shale 1 |
Who drills here
| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| Earth Tech | 54 | 840 | 25 | 2004–2014 |
| Double D Drilling | 35 | 840 | 25 | 2010–2026 |
| Barco Well Service, LP | 19 | 860 | 38 | 2015–2025 |
| A.L. Moser Drilling, Inc. | 11 | 980 | 10 | 2004–2010 |
| Strittmatter Irrigation | 9 | 640 | 22 | 2003–2015 |
| MagnaCore Drilling & Environmental Services | 9 | 18 | — | 2011–2016 |
| THI WATER WELL | 7 | 1,320 | 937 | 2022–2026 |
| WEST Drilling | 7 | 20 | — | 2017 |
| Ground to Sprinkler | 7 | 800 | 22 | 2006–2007 |
| Lonestar Underground | 7 | 780 | 25 | 2003–2006 |
| Cascade Drilling | 6 | 15 | — | 2026 |
| BETTS ENVIRONMENTAL RECOVERY, INC. | 6 | 18 | — | 2024 |
| Environmental Logistics Company, LLC | 6 | 24 | — | 2021 |
| SEA-LITE DRILLING CO | 6 | 390 | 20 | 2002–2003 |
| Sunbelt Industrial Services | 5 | 20 | — | 2019 |
| Roddy Qualls Environmental Drilling | 5 | 20 | — | 2017 |
| Eagle Remediation | 4 | 20 | — | 2022–2023 |
| Next-Gen Solutions, Inc. | 4 | 20 | — | 2017–2018 |
| Aqua Source | 4 | 800 | 30 | 2006 |
| Erwin Water Well Drilling | 3 | 480 | 30 | 2017–2020 |
| DD Drilling Inc. | 2 | 760 | 60 | 2008–2009 |
| Action Water Wells Trust | 1 | 1,750 | 70 | 2024 |
| Erwin Drilling | 1 | 800 | — | 2023 |
| AFFORDABLE WATER WELL | 1 | 525 | 20 | 2015 |
| Andrus Drilling Company | 1 | — | 12 | 2013 |
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Irrigation | 102 | 44.3% | 840 |
| Domestic | 42 | 18.3% | 500 |
| Monitor | 32 | 13.9% | 20 |
| Stock | 28 | 12.2% | 895 |
| Environmental Soil Boring | 11 | 4.8% | 20 |
| Test Well | 9 | 3.9% | 18 |
| Industrial | 2 | 0.9% | 800 |
| Public Supply | 2 | 0.9% | 2,350 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 86 | 810 | 450 |
| 2010s | 95 | 553 | 450 |
| 2020s | 49 | 525 | 540 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 715624 | 2025 | 2,400 | 850 | 180 | Irrigation |
| 349893 | 2013 | 2,350 | 881 | 430 | Public Supply |
| 723795 | 2026 | 2,340 | 1,070 | 335 | Stock |
| 635297 | 2022 | 2,000 | 742 | 937 | Public Supply |
| 702958 | 2025 | 1,900 | 645 | 400 | Stock |
| 689332 | 2024 | 1,750 | 650 | 70 | Domestic |
| 456734 | 2017 | 1,610 | 686 | 220 | Stock |
| 459597 | 2016 | 1,600 | — | 225 | Stock |
| 459596 | 2016 | 1,600 | 695 | 215 | Stock |
| 310546 | 2012 | 1,600 | 660 | 240 | Stock |
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 18-42?
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 Collin County, Denton County, Grayson County.