Texas well grid 70-40
A 7.5-minute quadrangle of the Texas state well grid, mostly in Uvalde County and Kinney County. 106 reports, median depth 20 ft.
106Reports
20 ftMedian depth
28 ftWater at
15 gpmMedian yield
What you will drill through in grid 70-40
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Gray Clay Fading To Tan 31, Clay, Black To Gray, Slightly Damp 29, Sandy Clay, Light Tan 28, Grass And Other Organic Material 24, Clay, Black To Gray 17, Gravel 12 |
| 25–50 ft | " " (Gray) 3, Blue Shale 2, Bedrock @ 25.25' 2, Grey Shale 2, Limestone 1, Gray Limestone 1 |
| 50–100 ft | Gray Glenrose 2, Grey Shale 2, Lost Circulation 1, Grey Lime 1, Limestone 1, Glenrose (Gray) 1 |
| 100–200 ft | Clay 1, Limestone 1, " "&Shale (Gray) 1, " " (Gray) 1, Brown Limestone 1 |
| 200–300 ft | Grey Shale With Lime Some Water 1, Shale And Lime More Water At 260' 5-8 Gpm 1, Light Brown Limestone 1, Light Gray Sandstone 1, Blue Limestone, Small Amount Water 1, Comanche Peak (Grey) 1 |
| 300–500 ft | Dark Brown Limestone 1, Light Tan Limestone 1, Glen Rose Lime (Grey Shale) 1 |
| 500–1000 ft | Tan Brown Sand 1 |
Who drills here
| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| Vortex Drilling, Inc. | 70 | 10 | — | 2016 |
| SPURGEON DRILLING CO. | 9 | 200 | 20 | 2001–2016 |
| Cross Country Drilling | 5 | 120 | 15 | 2006–2024 |
| Wilson Well Service | 5 | 260 | 12 | 2008–2020 |
| Wilson Drilling, Inc. | 4 | 300 | 30 | 2002–2014 |
| Wilson Drilling and Pump Company | 3 | 200 | — | 2020–2021 |
| Rocksprings Well Drilling | 2 | 300 | 15 | 2025 |
| Cruz Drilling | 2 | 240 | 20 | 2007–2016 |
| SHEPHERD DRILLING | 1 | 160 | 20 | 2024 |
| Utopia sales & Services Inc | 1 | 57 | 24 | 2022 |
| Utopia Sales & Service, Inc. | 1 | 57 | — | 2014 |
| wilson and son drilling co. | 1 | 52 | 100 | 2005 |
| R. Pizano Waterwell Service | 1 | 60 | 15 | 2001 |
| R. Pizano Waterwell Drilling Service | 1 | 60 | 10 | 2001 |
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Environmental Soil Boring | 66 | 62.3% | 10 |
| Domestic | 27 | 25.5% | 200 |
| Stock | 7 | 6.6% | 120 |
| Monitor | 4 | 3.8% | 25 |
| Irrigation | 2 | 1.9% | 52 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 14 | 200 | 53 |
| 2010s | 81 | 15 | 21 |
| 2020s | 11 | 120 | 35 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 9943 | 2002 | 740 | 120 | 40 | Domestic |
| 3754 | 2001 | 340 | 130 | 2 | Domestic |
| 710705 | 2025 | 300 | 210 | 0 | Domestic |
| 417210 | 2016 | 300 | — | — | Domestic |
| 154588 | 2008 | 300 | — | 3 | Domestic |
| 9942 | 2002 | 300 | 60 | 2 | Domestic |
| 580279 | 2021 | 280 | — | — | Domestic |
| 556763 | 2020 | 260 | 165 | 12 | Domestic |
| 399522 | 2015 | 260 | — | — | Stock |
| 462406 | 2016 | 240 | 20 | 18 | 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 70-40?
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 Uvalde County, Kinney County.