Texas well grid 18-58
A 7.5-minute quadrangle of the Texas state well grid, mostly in Collin County and Denton County. 647 reports, median depth 18 ft.
647Reports
18 ftMedian depth
470 ftWater at
25 gpmMedian yield
What you will drill through in grid 18-58
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Concrete 111, Dark Brown Clay 48, Tan Clay 43, Tan Limestone 41, Gray Limestone 35, Gray Shale 34 |
| 25–50 ft | Gray Shale 15, Gray Limestone 6, Limestone, Hard, Gray, Moist 2, Gray Dusty Chalk 2, Weathered Limestone; Brown, Moist, Medium Plasticity. 1, Dark Gray Shale 1 |
| 50–100 ft | Gray Shale 10, Sandy Clay 1, Shale 1, Grey Shale 1 |
| 100–200 ft | Gray Shale 6, Shale 2, Gray Clay 1, Shale With Limestone Stringers - Grey 1, Shale - Grey 1, Lime 1 |
| 200–300 ft | Gray Shale 2, Shale With Limestone Stringers - Grey 1, Shale - Grey 1, Shell 1 |
| 300–500 ft | Sand 6, Gray Shale 3, Gray Shale W/Black Streaks 1, Sandy Gray Shale 1, Black Shale 1, Gray Shale/Quartz 1 |
| 500–1000 ft | Sand 32, Gray Shale 22, Shale 10, Sand And Shale 5, Sandy Gray Shale 4, Sand/Gray Shale 3 |
| 1000–5000 ft | Sand 6, Gray Shale 3, Lime 3, Gray Shale/ Sand 1, Shale 3, Lime/ Gray Shale 2 |
Who drills here
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Monitor | 348 | 53.8% | 20 |
| Environmental Soil Boring | 210 | 32.5% | 10 |
| Irrigation | 42 | 6.5% | 865 |
| Closed-Loop Geothermal | 23 | 3.6% | 300 |
| Test Well | 8 | 1.2% | 20 |
| Stock | 6 | 0.9% | 900 |
| Domestic | 4 | 0.6% | 900 |
| Injection | 4 | 0.6% | — |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 267 | 19 | 463 |
| 2010s | 282 | 17 | 490 |
| 2020s | 98 | 20 | 623 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 374898 | 2014 | 1,800 | 664 | 200 | Irrigation |
| 137374 | 2008 | 1,750 | 823 | 115 | Irrigation |
| 417981 | 2016 | 1,748 | 897 | 155 | Irrigation |
| 582741 | 2021 | 1,700 | 900 | 200 | Irrigation |
| 403459 | 2015 | 1,690 | 880 | 150 | Irrigation |
| 54222 | 2004 | 1,620 | 800 | 200 | Irrigation |
| 267324 | 2011 | 1,600 | — | 20 | Irrigation |
| 708024 | 2025 | 1,585 | 849 | 300 | Irrigation |
| 398540 | 2015 | 1,572 | 816 | 151 | Irrigation |
| 53502 | 2004 | 1,240 | 900 | 150 | Industrial |
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 18-58?
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, Dallas County.