# Well grid 77-50, Texas — Webb, Dimmit — how deep, and through what

> 137 well reports in Texas state well grid 77-50, covering Webb, Dimmit. Median depth 20 ft.

## Texas well grid 77-50

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Webb County](/county/webb.md) and [Dimmit County](/county/dimmit.md). **137** reports, median depth **20 ft**.

### What you will drill through in grid 77-50

*Logged in state well grid 77-50, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Sand.** 20 , **Sand** 11 , **Silty Clay: Brown, Medium Stiff, Medium Plasticity, Dry, No ** 9 , **90% Clay & 10% Silty Sands (Cl) Same As Above** 5 , **90% Clay & 10% Silty Sands (Cl) 2.5 Y 5/3, Light Olive Brown** 4 , **Sand, Clay.** 4 |
| 25–50 ft | **Silty Clay, Brown And Gray With Trace Yellow Silty Seam @ 32** 3 , **-Sandstone** 2 , **-Moist** 2 , **90% Clays (Cl) Same As Above** 1 , **Silty Lay, Light Olive Brown, Very Stiff, Dry, No Hydrocarbo** 2 , **Shale/Clay** 2 |
| 50–100 ft | **Grey Shale/Sand Mix** 1 , **Shale/Clay Same As Above** 1 , **Shale,Roock,And Sand** 1 , **Shale Rock And Sand** 1 , **Shale** 1 , **Sand Shale And Rock Layers** 1 |
| 100–200 ft | **Sandy Shale** 1 |
| 500–1000 ft | **Sand** 3 , **Sand (Big Ford)** 2 , **Sand/Shale** 2 , **Shale And Sand** 2 , **Sand And Strks Of Shale** 2 , **Sand And Few Strks Of Shale** 2 |
| 1000–5000 ft | **Sand** 5 , **Carrizo Sand** 5 , **Shale** 3 , **Grey Shale** 2 , **Sand (Carrizo)** 2 , **Sandy Shale** 2 |

### Who drills here

*Licensed firms in state well grid 77-50, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 91 | 20 | — | 2014–2018 |
| [Talon/LPE](/driller/talon-lpe.md) | 20 | 23 | — | 2019–2025 |
| [Alamo Environmental dba Vortex Drilling](/driller/alamo-environmental-dba-vortex-drilling.md) | 8 | 20 | — | 2024 |
| [McKinley Drilling](/driller/mckinley-drilling.md) | 6 | 1,817 | 350 | 2010–2012 |
| [Bull's Eye Services, LLC](/driller/bull-s-eye-services-llc.md) | 3 | 1,408 | 65 | 2018–2026 |
| [Thomas Moy and Sons](/driller/thomas-moy-and-sons.md) | 3 | 1,325 | — | 2010–2011 |
| [Dennis Drilling Company](/driller/dennis-drilling-company.md) | 2 | 1,600 | — | 2013 |
| [Burleson Services, Inc.](/driller/burleson-services-inc.md) | 2 | 1,500 | 350 | 2010–2011 |
| [Water Well Services, Inc.](/driller/water-well-services-inc.md) | 1 | — | — | 2012 |
| McKinley Drilllingp | 1 | 1,612 | 400 | 2010 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Environmental Soil Boring | 102 | 74.5% | 20 |
| Monitor | 17 | 12.4% | 40 |
| Rig Supply | 14 | 10.2% | 1,600 |
| Domestic | 2 | 1.5% | 1,408 |
| Fracking Supply | 2 | 1.5% | 1,450 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2010s | 109 | 20 | 280 |
| 2020s | 28 | 21 | 527 |

### The deepest reports on file

*Deepest reports in state well grid 77-50. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 299027 | 2012 | 1,850 | — | 350 | Rig Supply |
| 285890 | 2012 | 1,817 | — | — | Rig Supply |
| 230614 | 2010 | 1,804 | 195 | 300 | Rig Supply |
| 213687 | 2010 | 1,733 | — | — | Rig Supply |
| 241733 | 2010 | 1,612 | 245 | 400 | Rig Supply |
| 348418 | 2013 | 1,600 | 346 | — | Rig Supply |
| 348404 | 2013 | 1,595 | 370 | — | Rig Supply |
| 248208 | 2011 | 1,500 | — | 350 | Rig Supply |
| 482894 | 2018 | 1,450 | — | 350 | Fracking Supply |
| 730530 | 2026 | 1,408 | 278 | 65 | 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 77-50?

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 [Webb County](/county/webb.md), [Dimmit County](/county/dimmit.md).

### Grids with a comparable number of reports

- [79-11](/area/79-11.md)
- [80-49](/area/80-49.md)
- [81-11](/area/81-11.md)
- [04-37](/area/04-37.md)
- [27-31](/area/27-31.md)
- [58-56](/area/58-56.md)
- [61-08](/area/61-08.md)
- [19-21](/area/19-21.md)
- [21-50](/area/21-50.md)
- [34-14](/area/34-14.md)
- [67-11](/area/67-11.md)
- [06-59](/area/06-59.md)
- [19-29](/area/19-29.md)

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Página: https://texas-water-wells.pages.dev/area/77-50/
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