Texas well grid 18-41
A 7.5-minute quadrangle of the Texas state well grid, mostly in Denton County and Collin County. 206 reports, median depth 260 ft.
206Reports
260 ftMedian depth
140 ftWater at
20 gpmMedian yield
What you will drill through in grid 18-41
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Yellow Clay 41, Gray Shale 35, Sand 23, Brown Clay 17, Sandy Loam 16, Blue Shale 13 |
| 25–50 ft | Gray Shale 31, Sand 12, Blue Shale 6, Grayshale 5, Shale 4, Gray Clay 3 |
| 50–100 ft | Sand 36, Gray Shale 16, Shale 11, Blue Shale 11, Sandy Shale 6, Gray Clay 3 |
| 100–200 ft | Sand 76, Gray Shale 35, Shale 23, Sandy Shale 13, Blue Shale 12, Grayshale 5 |
| 200–300 ft | Sand 54, Shale 22, Gray Shale 24, Blue Shale 7, Rock 3, Gray Clay 4 |
| 300–500 ft | Gray Shale 11, Rock 6, Sand 10, Shale 5, Brown Clay 3, Blue Clay 1 |
| 500–1000 ft | Sand 15, Rock 6, Shale 5, White Clay 4, Rock And Shale 3, Sandy Shale 4 |
| 1000–5000 ft | Sand 9, Shale 5, Sand W/ Shale Strks 2, Sd 2, Sand/Shale 1, Sand Green Shale 2 |
Who drills here
| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| Strittmatter Irrigation | 21 | 300 | 30 | 2003–2017 |
| Double D Drilling | 20 | 275 | 20 | 2004–2025 |
| Texoma Drilling LLC | 17 | 260 | 15 | 2006–2015 |
| Earth Tech | 16 | 200 | 25 | 2006–2014 |
| Environmental Logistics Company, LLC | 9 | 20 | — | 2018–2023 |
| M5 Drilling | 8 | 320 | 25 | 2024–2025 |
| Roddy Qualls Environmental Drilling | 7 | 24 | — | 2017–2019 |
| Jimmy D. Miller | 7 | 220 | 12 | 2004–2006 |
| Erwin Water Well Drilling | 6 | 260 | 30 | 2007–2024 |
| Central Texas Water Well | 6 | 1,070 | 25 | 2010–2023 |
| Prater Water Well | 6 | 200 | 30 | 2006–2009 |
| THI WATER WELL | 4 | 920 | 498 | 2009–2026 |
| lone star water wells | 4 | 800 | — | 2024 |
| WEST Drilling | 4 | 15 | — | 2018–2022 |
| W.E.S.T. Drilling | 4 | 30 | — | 2012 |
| DD Drilling Inc. | 4 | 200 | 8 | 2008–2009 |
| SCI | 4 | 20 | — | 2006–2007 |
| Action Water Wells Trust | 3 | 1,426 | 10 | 2024–2025 |
| TIM HALL INC | 3 | 275 | 150 | 2002–2003 |
| CM2, Inc. | 3 | 22 | — | 2002 |
| C. Miller Drilling | 2 | 1,779 | 893 | 2021–2024 |
| Triangle J Water Wells | 2 | 300 | — | 2023 |
| Walden Drilling Inc | 2 | 170 | 15 | 2022–2023 |
| Barco Well Service, LP | 2 | 1,200 | 155 | 2017 |
| Jimmie D Miller | 2 | 300 | 20 | 2011–2015 |
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Irrigation | 69 | 33.5% | 270 |
| Domestic | 67 | 32.5% | 290 |
| Monitor | 23 | 11.2% | 22 |
| Stock | 18 | 8.7% | 270 |
| Environmental Soil Boring | 10 | 4.9% | 24 |
| Public Supply | 6 | 2.9% | 1,650 |
| Industrial | 6 | 2.9% | 320 |
| Closed-Loop Geothermal | 5 | 2.4% | 250 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 103 | 240 | 120 |
| 2010s | 54 | 280 | 170 |
| 2020s | 49 | 295 | 180 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 679489 | 2024 | 1,779 | 735 | 893 | Public Supply |
| 573321 | 2021 | 1,723 | 677 | 701 | Public Supply |
| 715343 | 2025 | 1,650 | 855 | 498 | Public Supply |
| 131254 | 2007 | 1,630 | — | — | Public Supply |
| 668681 | 2024 | 1,575 | 650 | 10 | Domestic |
| 565925 | 2020 | 1,510 | — | — | Public Supply |
| 289683 | 2010 | 1,510 | 650 | 200 | Irrigation |
| 156363 | 2004 | 1,500 | 540 | 186 | Public Supply |
| 273536 | 2011 | 1,465 | 700 | 10 | Domestic |
| 694033 | 2025 | 1,426 | 650 | — | 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 18-41?
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 Denton County, Collin County.