Texas well grid 18-59
A 7.5-minute quadrangle of the Texas state well grid, mostly in Collin County and Dallas County. 951 reports, median depth 15 ft.
951Reports
15 ftMedian depth
18 ftWater at
21 gpmMedian yield
What you will drill through in grid 18-59
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Concrete 214, Tan Limestone 100, Gray Limestone 92, Tan Weathered Limestone 91, Brown Silty Clay 58, Brown Clay 51 |
| 25–50 ft | Gray Shale 4, Limestone 3, Grey Shale 2, Shale 1, Gray Shale And Lime 1, Rock 1 |
| 50–100 ft | Gray Shale And Lime 1, Shale And Lime Streaks 1, Sand And Shale Streaks 1, Gray Shale 1, Gray Shale Lime Streaks 1 |
| 100–200 ft | Gray Shale 2, Rock/Gray Shale 1 |
| 200–300 ft | Gray Shale 2, Lime With Shale Streaks 1, Gray Shale/Rock 1 |
| 300–500 ft | Gray Shale 4, Gray Shale With Lime Streaks 1, Gray Shale/Lime 1, Lime 1, Sandy Gray Shale 1, Shale 1 |
| 500–1000 ft | Sand 6, Gray Shale 8, Gray/Brown Shale 2, Black Shale With Lime Streaks 1, Chalky Gray Shale With Few Lime Streaks 1, Gray Brown Shale 1 |
| 1000–5000 ft | Sand 9, Gray Shale 7, Sandy Shale 4, Shale 3, Sandy Gray Shale 3, Sand/Gray Shale 3 |
Who drills here
| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| MagnaCore Drilling & Environmental Services | 115 | 8 | — | 2002–2016 |
| Sunbelt Industrial Services | 86 | 15 | — | 2007–2025 |
| DIXIE DRILLING | 63 | 12 | — | 2002–2005 |
| Groundwater Monitoring Inc. | 61 | 18 | — | 2004–2008 |
| Environmental Logistics Company, LLC | 56 | 11 | — | 2016–2026 |
| W.E.S.T. Drilling | 55 | 20 | — | 2001–2015 |
| Roddy Qualls Environmental Drilling | 54 | 23 | — | 2016–2022 |
| Total Support Services | 51 | 20 | — | 2001–2012 |
| WEST Drilling | 47 | 15 | — | 2015–2025 |
| Strata Core Services, LLC | 34 | 20 | — | 2011–2018 |
| Envirotech Drilling Services LLC | 32 | 15 | — | 2016–2021 |
| Vortex Drilling, Inc. | 32 | 17 | — | 2013 |
| Vortex Drilling Partners, LP | 21 | 7 | — | 2019–2020 |
| Texplor of Dallas, Inc. | 21 | 16 | — | 2006–2019 |
| SCI | 18 | 20 | — | 2004–2013 |
| Savage Excavation | 15 | 20 | — | 2024–2025 |
| Earth Tech | 15 | 250 | 45 | 2004–2020 |
| BEST DRILLING SERVICES, INC. | 15 | 13 | — | 2005–2008 |
| Cascade Technical Services | 13 | 15 | — | 2017 |
| Wel-Mat Drilling LLP | 11 | 20 | — | 2013–2015 |
| RIOMAR DRILLING INC | 10 | 20 | — | 2014–2016 |
| Michael Tolle | 9 | 400 | — | 2018–2026 |
| Eagle Remediation | 9 | 10 | — | 2020–2023 |
| qualls drilling | 8 | 19 | — | 2013–2014 |
| RQ Drilling | 7 | 15 | — | 2018 |
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Monitor | 461 | 48.5% | 20 |
| Environmental Soil Boring | 399 | 42.0% | 10 |
| Closed-Loop Geothermal | 23 | 2.4% | 300 |
| Other | 21 | 2.2% | 15 |
| Irrigation | 14 | 1.5% | 1,250 |
| Injection | 13 | 1.4% | 15 |
| Domestic | 9 | 0.9% | 1,450 |
| Stock | 7 | 0.7% | 1,300 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 331 | 15 | 430 |
| 2010s | 445 | 15 | 18 |
| 2020s | 175 | 18 | 400 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 100617 | 2006 | 2,350 | 567 | 145 | Stock |
| 395113 | 2015 | 2,200 | — | — | Stock |
| 334124 | 2013 | 1,720 | 500 | 10 | Irrigation |
| 668669 | 2024 | 1,560 | 400 | 10 | Domestic |
| 543850 | 2020 | 1,540 | 1,200 | 17 | Irrigation |
| 413089 | 2015 | 1,537 | 500 | 10 | Other |
| 709563 | 2025 | 1,516 | 400 | 10 | Domestic |
| 716559 | 2026 | 1,500 | 380 | — | Domestic |
| 558725 | 2020 | 1,500 | 709 | 17 | Domestic |
| 422291 | 2016 | 1,500 | 510 | 22 | 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 18-59?
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, Dallas County.