Texas well grid 87-31
A 7.5-minute quadrangle of the Texas state well grid, mostly in Hidalgo County. 116 reports, median depth 92 ft.
116Reports
92 ftMedian depth
32 ftWater at
50 gpmMedian yield
What you will drill through in grid 87-31
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Caliche 34, Caliche White 23, Surface 16, Sandy Clay; Tan 14, Clay/Sand Brown 13, Clay 9 |
| 25–50 ft | Clay 17, Clay Yellow 11, Hard Sand 7, Sand 4, Find Sandy Clay 4, Sandy Clay 4 |
| 50–100 ft | Sand 19, Sand Brown 16, Shale 10, Clay Yellow 8, Clay 7, Sandy Brown 5 |
| 100–200 ft | Sand 6, Sand/Shale 2, Clay 2, Clay Yellow 2, Tan Clay/ Sand 1, Sandy Brown 1 |
| 200–300 ft | Clay 3, Sand 2, Sandy Shale 1, Sand W/Clay 1, Shale 1, Red Clay 1 |
| 300–500 ft | Sand 7, Shale 3, Sand/Clay 2, Clay 2, Clay W/Sand 1, M/C Red Sand 1 |
| 500–1000 ft | Sand 1, Clay 1, Sand W/Clay 1, Blue Shale 1 |
Who drills here
| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| Killinger's Water Well Drilling | 41 | 100 | 40 | 2003–2025 |
| EnviroCore, Inc. | 14 | 45 | — | 2010–2012 |
| Vortex Drilling, Inc. | 13 | 15 | — | 2011 |
| BELL WATER WELL SERVICE | 10 | 93 | 50 | 2014–2016 |
| JEDI Drilling Contractors | 6 | 43 | — | 2006–2010 |
| Pursley Drilling Ltd. | 6 | 83 | 50 | 2004–2009 |
| ECI | 5 | 45 | — | 2006 |
| Mike-N-Sons All-Terrain Well & Pump Service | 4 | 140 | 55 | 2023–2026 |
| Envirotech Drilling Services LLC | 4 | 46 | — | 2024 |
| MARAL DRILLING | 4 | 160 | 35 | 2003–2021 |
| PAGE WATER WELL | 3 | 540 | 100 | 2004–2017 |
| PAGE WATERWELL | 3 | 630 | 100 | 2008 |
| R. MOLINA WATER WELL SERVICE, INC. | 1 | 540 | 60 | 2007 |
| Edward Pawlik & Son Well Service | 1 | 540 | 150 | 2004 |
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Monitor | 33 | 28.4% | 45 |
| Stock | 24 | 20.7% | 120 |
| Irrigation | 23 | 19.8% | 97 |
| Domestic | 21 | 18.1% | 110 |
| Environmental Soil Boring | 9 | 7.8% | 15 |
| Rig Supply | 4 | 3.4% | 630 |
| Industrial | 2 | 1.7% | 105 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 37 | 100 | 32 |
| 2010s | 63 | 80 | 32 |
| 2020s | 16 | 140 | 27 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 178151 | 2008 | 630 | 40 | 100 | Rig Supply |
| 461393 | 2017 | 540 | 63 | 50 | Domestic |
| 141684 | 2007 | 540 | 50 | 60 | Domestic |
| 108759 | 2004 | 540 | 75 | 150 | Domestic |
| 516268 | 2019 | 520 | 50 | 45 | Stock |
| 69757 | 2004 | 520 | 63 | 60 | Domestic |
| 39768 | 2004 | 520 | 36 | 100 | Stock |
| 693047 | 2025 | 515 | 57 | 40 | Domestic |
| 715321 | 2025 | 405 | 78 | 40 | Domestic |
| 714570 | 2025 | 400 | 88 | 40 | Stock |
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 87-31?
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 Hidalgo County.