# Well grid 87-13, Texas — Brooks, Starr — how deep, and through what

> 191 well reports in Texas state well grid 87-13, covering Brooks, Starr, Jim Hogg. Median depth 42 ft.

## Texas well grid 87-13

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Brooks County](/county/brooks.md) and [Starr County](/county/starr.md). **191** reports, median depth **42 ft**.

### What you will drill through in grid 87-13

*Logged in state well grid 87-13, by depth. The figure is how many wells hit it.*

| 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

*Licensed firms in state well grid 87-13, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [BEST DRILLING SERVICES, INC.](/driller/best-drilling-services-inc.md) | 129 | 35 | — | 2010–2013 |
| [Gainco, Inc.](/driller/gainco-inc.md) | 9 | 40 | — | 2012–2022 |
| [Advanced Drilling Systems, Inc.](/driller/advanced-drilling-systems-inc.md) | 9 | — | — | 2004–2005 |
| [Killinger's Water Well Drilling](/driller/killinger-s-water-well-drilling.md) | 8 | 118 | 25 | 2011–2016 |
| [Vortex Drilling Partners, LP](/driller/vortex-drilling-partners-lp.md) | 7 | 45 | — | 2019–2020 |
| [Cascade Drilling](/driller/cascade-drilling.md) | 6 | 42 | — | 2014 |
| [Pacific West Environmental and Infrastructure](/driller/pacific-west-environmental-and-infrastructure.md) | 5 | 55 | — | 2026 |
| [JEDI Drilling Contractors](/driller/jedi-drilling-contractors.md) | 4 | 50 | — | 2009 |
| [T Molina Water Well LLC](/driller/t-molina-water-well-llc.md) | 3 | 425 | 35 | 2015–2022 |
| T. Molina Waterwell LLC | 2 | 510 | 40 | 2011 |
| [dba Universal Drilling Services](/driller/dba-universal-drilling-services.md) | 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](/driller/tolunay-wong-engineers-inc.md) | 1 | 45 | — | 2016 |
| [BELL WATER WELL SERVICE](/driller/bell-water-well-service.md) | 1 | 410 | — | 2012 |
| BELL WATERWELL SERVICE | 1 | 650 | — | 2011 |
| [Pursley Drilling Ltd.](/driller/pursley-drilling-ltd.md) | 1 | 556 | 80 | 2006 |
| [Cinco E Inc.](/driller/cinco-e-inc.md) | 1 | — | 7 | 2006 |

### What the wells are for

*Purpose, and how deep each went.*

| 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 |

*By decade drilled.*

| 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

*Deepest reports in state well grid 87-13. Column one is the tracking number.*

| 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](/privacy.md).

This grid falls in [Brooks County](/county/brooks.md), [Starr County](/county/starr.md), [Jim Hogg County](/county/jim-hogg.md).

### Grids with a comparable number of reports

- [78-48](/area/78-48.md)
- [29-44](/area/29-44.md)
- [41-63](/area/41-63.md)
- [59-15](/area/59-15.md)
- [61-49](/area/61-49.md)
- [67-18](/area/67-18.md)
- [68-60](/area/68-60.md)
- [07-09](/area/07-09.md)
- [60-15](/area/60-15.md)
- [66-39](/area/66-39.md)
- [87-45](/area/87-45.md)
- [07-13](/area/07-13.md)
- [37-64](/area/37-64.md)

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Página: https://texas-water-wells.pages.dev/area/87-13/
Fonte: Texas Submitted Driller's Report Database — Texas Water Development Board, from reports filed with the Texas Department of Licensing and Regulation
Recolha: 2026-08-23
