# Well grid 87-31, Texas — Hidalgo — how deep, and through what

> 116 well reports in Texas state well grid 87-31, covering Hidalgo. Median depth 92 ft.

## Texas well grid 87-31

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Hidalgo County](/county/hidalgo.md). **116** reports, median depth **92 ft**.

### What you will drill through in grid 87-31

*Logged in state well grid 87-31, by depth. The figure is how many wells hit it.*

| 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

*Licensed firms in state well grid 87-31, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Killinger's Water Well Drilling](/driller/killinger-s-water-well-drilling.md) | 41 | 100 | 40 | 2003–2025 |
| [EnviroCore, Inc.](/driller/envirocore-inc.md) | 14 | 45 | — | 2010–2012 |
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 13 | 15 | — | 2011 |
| [BELL WATER WELL SERVICE](/driller/bell-water-well-service.md) | 10 | 93 | 50 | 2014–2016 |
| [JEDI Drilling Contractors](/driller/jedi-drilling-contractors.md) | 6 | 43 | — | 2006–2010 |
| [Pursley Drilling Ltd.](/driller/pursley-drilling-ltd.md) | 6 | 83 | 50 | 2004–2009 |
| [ECI](/driller/eci.md) | 5 | 45 | — | 2006 |
| Mike-N-Sons All-Terrain Well & Pump Service | 4 | 140 | 55 | 2023–2026 |
| [Envirotech Drilling Services LLC](/driller/envirotech-drilling-services-llc.md) | 4 | 46 | — | 2024 |
| [MARAL DRILLING](/driller/maral-drilling.md) | 4 | 160 | 35 | 2003–2021 |
| [PAGE WATER WELL](/driller/page-water-well.md) | 3 | 540 | 100 | 2004–2017 |
| [PAGE WATERWELL](/driller/page-waterwell.md) | 3 | 630 | 100 | 2008 |
| [R. MOLINA WATER WELL SERVICE, INC.](/driller/r-molina-water-well-service-inc.md) | 1 | 540 | 60 | 2007 |
| [Edward Pawlik & Son Well Service](/driller/edward-pawlik-son-well-service.md) | 1 | 540 | 150 | 2004 |

### What the wells are for

*Purpose, and how deep each went.*

| 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 |

*By decade drilled.*

| 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

*Deepest reports in state well grid 87-31. Column one is the tracking number.*

| 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](/privacy.md).

This grid falls in [Hidalgo County](/county/hidalgo.md).

### Grids with a comparable number of reports

- [10-53](/area/10-53.md)
- [18-09](/area/18-09.md)
- [20-15](/area/20-15.md)
- [24-43](/area/24-43.md)
- [40-39](/area/40-39.md)
- [77-34](/area/77-34.md)
- [79-63](/area/79-63.md)
- [05-06](/area/05-06.md)
- [29-07](/area/29-07.md)
- [31-31](/area/31-31.md)
- [38-05](/area/38-05.md)
- [44-03](/area/44-03.md)
- [45-26](/area/45-26.md)

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Página: https://texas-water-wells.pages.dev/area/87-31/
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