Texas well grid 30-47
A 7.5-minute quadrangle of the Texas state well grid, mostly in Callahan County and Eastland County. 103 reports, median depth 14 ft.
103Reports
14 ftMedian depth
22 ftWater at
5 gpmMedian yield
What you will drill through in grid 30-47
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Silty Sand, Brown, Moist 28, Brown Clay 13, Top Soil 14, Red Clay 10, Yellow Clay 7, Sand 8 |
| 25–50 ft | Red Clay 12, Brown Clay 6, Shale 5, Reddish Brown Clay 5, Yellow Clay 4, Blue Clay 4 |
| 50–100 ft | Red Clay 5, Blue Clay 5, Shale 6, Gray Clay & Shale 5, Gray Clay 4, Brown Clay 4 |
| 100–200 ft | Shale 3, Brown Clay 3, Gray Clay & Shale 1, Gray Clay & Shale With Limestone Stringers 2, Blue Clay 2, Finer Coarse Sand And Small Gravel 1 |
| 200–300 ft | Blue Shale 2, Brown Clay 1, Gray & White Limestone 1, Red Shale 1, Brown Clay & Shale With Limestone Stringers 1, Reddish Brown, Red, Brown, & Light Blue Shales With Limeston 1 |
| 300–500 ft | Gray Limestone 1, Gray Shale 1 |
Who drills here
| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| AUTHENTIC DRILLING | 62 | 14 | — | 2020–2021 |
| Michael Gilliam Consultant Services | 20 | 104 | 1 | 2004–2024 |
| F&F Drilling | 6 | 100 | 5 | 2008–2015 |
| Jimmy D. Wilson Drilling | 6 | 132 | 12 | 2002–2007 |
| QUAIL COUNTY CONSTRUCTION | 3 | 210 | — | 2007 |
| SIMMONS WATER WELL SERVICE | 2 | 160 | — | 2026 |
| Robert Caraway Water Well Drlg. | 1 | 120 | 25 | 2023 |
| White Drilling Company, Inc. | 1 | 48 | — | 2021 |
| Spencer's Water Well Service | 1 | 60 | 5 | 2013 |
| A & W Drilling Services, Ltd | 1 | — | — | 2011 |
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Monitor | 62 | 60.2% | 14 |
| Domestic | 15 | 14.6% | 113 |
| Stock | 8 | 7.8% | 104 |
| Irrigation | 8 | 7.8% | 68 |
| Test Well | 7 | 6.8% | 102 |
| Other | 3 | 2.9% | 108 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 11 | 132 | 58 |
| 2010s | 14 | 102 | 24 |
| 2020s | 78 | 14 | 15 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 605565 | 2022 | 348 | — | — | Test Well |
| 114740 | 2007 | 280 | — | — | Domestic |
| 114801 | 2007 | 210 | — | — | Domestic |
| 16277 | 2003 | 207 | 100 | 5 | Domestic |
| 374269 | 2014 | 202 | — | — | Test Well |
| 609717 | 2022 | 200 | 25 | — | Stock |
| 34427 | 2004 | 190 | 22 | — | Domestic |
| 726229 | 2026 | 160 | — | — | Stock |
| 398711 | 2015 | 150 | 112 | 10 | Irrigation |
| 398708 | 2015 | 150 | 104 | 5 | 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 30-47?
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 Callahan County, Eastland County.