Texas well grid 20-55
A 7.5-minute quadrangle of the Texas state well grid, mostly in Jack County. 199 reports, median depth 220 ft.
199Reports
220 ftMedian depth
80 ftWater at
8 gpmMedian yield
What you will drill through in grid 20-55
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Yellow Clay 79, Sand Rock 46, Lime 41, Topsoil 41, Gray Clay 31, Red Clay 28 |
| 25–50 ft | Gray Shale 72, Lime 38, Gray Clay 35, Sand 19, Sand Rock 11, Lime Rock 9 |
| 50–100 ft | Gray Shale 96, Lime 71, Sand 40, Hard Sand 14, Lime Rock 9, Gray Clay 8 |
| 100–200 ft | Gray Shale 118, Sand 90, Lime 86, Hard Sand 15, Lime Rock 8, Red Clay 12 |
| 200–300 ft | Gray Shale 58, Sand 37, Lime 11, Hard Sand 6, Shale 4, Sandy Gray Shale 3 |
| 300–500 ft | Gray Shale 4, Lime 2, Red & Gray Shale 1, Gray Shale With Sand 1, Hard Sand With Shale Streaks 1, Lime Rock 1 |
Who drills here
| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| Erwin Water Well Drilling | 130 | 233 | 7 | 2001–2026 |
| Erwin Drilling | 21 | 220 | 11 | 2018–2026 |
| Sunbelt Industrial Services | 9 | 8 | — | 2008–2019 |
| WEST Drilling | 4 | 33 | — | 2020 |
| Advanced Drilling Systems, Inc. | 4 | — | — | 2006 |
| Total Support Services | 4 | 25 | — | 2004 |
| Roddy Qualls Environmental Drilling | 3 | 16 | — | 2018–2021 |
| White Drilling Company, Inc. | 3 | 20 | — | 2005 |
| Moore's Water Well Service | 2 | 300 | 2 | 2018–2019 |
| Strata Core Services, LLC | 2 | 45 | — | 2011 |
| Talon Drilling, LP | 2 | 26 | — | 2003–2008 |
| Lonnie Gray | 2 | 280 | 12 | 2005 |
| BIFFLE WATER WELL | 2 | — | 12 | 2006 |
| CoreCoUSA, Inc. | 1 | 50 | — | 2023 |
| Johnson Drilling, Inc. | 1 | — | — | 2014 |
| Moore's Water Well | 1 | 100 | — | 2013 |
| Earth Tech | 1 | 250 | — | 2013 |
| Erwi Water Well Drilling | 1 | 100 | 1 | 2011 |
| Thorp Springs Well Svc Inc | 1 | 150 | 4 | 2007 |
| Wyatt Drilling Service | 1 | 240 | — | 2005 |
| Erwin Water Well Drillling | 1 | 270 | 8 | 2005 |
| Anderson Water Well Service, Ltd. | 1 | 260 | 9 | 2005 |
| St. John Water Well Pump Service | 1 | 260 | 4 | 2003 |
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 153 | 76.9% | 220 |
| Monitor | 23 | 11.6% | 25 |
| Environmental Soil Boring | 9 | 4.5% | 8 |
| Irrigation | 7 | 3.5% | 220 |
| Stock | 3 | 1.5% | 240 |
| Closed-Loop Geothermal | 2 | 1.0% | 250 |
| Industrial | 2 | 1.0% | — |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 75 | 220 | 80 |
| 2010s | 68 | 220 | — |
| 2020s | 56 | 200 | 14 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 652948 | 2023 | 460 | — | — | Domestic |
| 264765 | 2011 | 400 | — | 15 | Domestic |
| 87328 | 2006 | 400 | 260 | 7 | Domestic |
| 377748 | 2014 | 340 | — | 4 | Domestic |
| 537907 | 2020 | 320 | — | — | Domestic |
| 8237 | 2002 | 320 | 160 | 50 | Domestic |
| 3122 | 2001 | 320 | 20 | — | Domestic |
| 47275 | 2004 | 305 | 150 | 30 | Domestic |
| 652949 | 2023 | 300 | — | — | Domestic |
| 592582 | 2021 | 300 | — | — | 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 20-55?
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 Jack County.