Texas well grid 87-13
A 7.5-minute quadrangle of the Texas state well grid, mostly in Brooks County and Starr County. 191 reports, median depth 42 ft.
191Reports
42 ftMedian depth
42 ftWater at
25 gpmMedian yield
What you will drill through in grid 87-13
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Caliche 34, Fine Sand 21, Caliche, White 20, Sand 15, Fine Sand, Trace Caliche 12, Fine Sand, Little Caliche 10 |
| 25–50 ft | Silty Sand 8, Caliche 7, Fine Sand, Little Caliche 7, Fine Sand, Trace Caliche 6, Clay 6, Reddish Brown (5Yr 5/3) And Gray (7.5Yr 6/1) Sandy Clay 5 |
| 50–100 ft | Light Gray (7.5Yr 7/1) Silty Clay; Soft; Wet 5, Sand 4, Hard Sand 4, Clay Yellow 3, Clay 2, Sand, Caliche, Red Clay Mix 1 |
| 100–200 ft | Clay 5, Water Sand 2, Sandy Brown 2, Broken Sand, Red Clay, Caliche Mix 1, Tan Clay 1, Sand 1 |
| 200–300 ft | Sand 2, Clay And Sand Mix 1, Sand Brown 1, Clay Red 1, Sand & Clay 1, Clay 1 |
| 300–500 ft | Sand 6, Water Sands 2, Clay 1, Shale 1, Clay And Sand Mix 1, Sand Clay Brown 1 |
| 500–1000 ft | Sand 1, Sand & Charcol 1 |
Who drills here
| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| BEST DRILLING SERVICES, INC. | 129 | 35 | — | 2010–2013 |
| Gainco, Inc. | 9 | 40 | — | 2012–2022 |
| Advanced Drilling Systems, Inc. | 9 | — | — | 2004–2005 |
| Killinger's Water Well Drilling | 8 | 118 | 25 | 2011–2016 |
| Vortex Drilling Partners, LP | 7 | 45 | — | 2019–2020 |
| Cascade Drilling | 6 | 42 | — | 2014 |
| Pacific West Environmental and Infrastructure | 5 | 55 | — | 2026 |
| JEDI Drilling Contractors | 4 | 50 | — | 2009 |
| T Molina Water Well LLC | 3 | 425 | 35 | 2015–2022 |
| T. Molina Waterwell LLC | 2 | 510 | 40 | 2011 |
| dba Universal Drilling Services | 2 | 52 | — | 2003 |
| Jose L Alvarado Drilling | 1 | 140 | — | 2026 |
| Mike-N-Sons All-Terrain Well & Pump Service | 1 | 240 | 30 | 2022 |
| Tolunay-Wong Engineers,Inc | 1 | 45 | — | 2016 |
| BELL WATER WELL SERVICE | 1 | 410 | — | 2012 |
| BELL WATERWELL SERVICE | 1 | 650 | — | 2011 |
| Pursley Drilling Ltd. | 1 | 556 | 80 | 2006 |
| Cinco E Inc. | 1 | — | 7 | 2006 |
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Monitor | 158 | 82.7% | 40 |
| Environmental Soil Boring | 13 | 6.8% | 35 |
| Stock | 9 | 4.7% | 118 |
| Domestic | 6 | 3.1% | 425 |
| Unknown | 2 | 1.0% | 540 |
| Irrigation | 2 | 1.0% | 650 |
| Other | 1 | 0.5% | 45 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 17 | 50 | 35 |
| 2010s | 152 | 40 | 50 |
| 2020s | 22 | 45 | 216 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 274009 | 2011 | 650 | 50 | — | Irrigation |
| 82692 | 2006 | 556 | 98 | 80 | Stock |
| 406065 | 2015 | 540 | 88 | 35 | Unknown |
| 266482 | 2011 | 510 | 70 | 40 | Domestic |
| 292849 | 2012 | 460 | 80 | 40 | Stock |
| 266549 | 2011 | 460 | 73 | — | Domestic |
| 610297 | 2022 | 425 | 216 | 20 | Domestic |
| 300313 | 2012 | 410 | — | — | Irrigation |
| 406054 | 2015 | 380 | 54 | 35 | Unknown |
| 620355 | 2022 | 240 | 42 | 30 | 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 87-13?
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 Brooks County, Starr County, Jim Hogg County.