# Well grid 77-34, Texas — Dimmit — how deep, and through what

> 116 well reports in Texas state well grid 77-34, covering Dimmit. Median depth 520 ft.

## Texas well grid 77-34

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Dimmit County](/county/dimmit.md). **116** reports, median depth **520 ft**.

### What you will drill through in grid 77-34

*Logged in state well grid 77-34, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Surface** 27 , **Topsoil** 17 , **Brown Clay** 14 , **Tan Silty Clay With Gravel Seams** 14 , **Top Soil** 7 , **Sand** 5 |
| 25–50 ft | **Shale** 5 , **Gray Clay** 3 , **Gray Sand** 3 , **Shale (Gray)** 3 , **Clay** 2 , **Sand** 2 |
| 50–100 ft | **Sand** 4 , **Shale** 3 , **Shale (Gray)** 3 , **Brown Sand** 2 , **Sand,Shale,Clay** 2 , **Gray Clay Mixes Fine Sand** 2 |
| 100–200 ft | **Sand** 9 , **Shale** 7 , **Sand / Shale** 4 , **Sandy Shale** 3 , **Shale/Sand** 2 , **Sand/Shale** 2 |
| 200–300 ft | **Sand (Carrizo)** 4 , **Sand** 4 , **Sand / Rock / Shale** 2 , **Sandy Shale** 3 , **Carrizo Sand** 2 , **Gray Sands** 2 |
| 300–500 ft | **Sand** 19 , **Sand (Carrizo)** 8 , **Carrizo Sand** 4 , **Shale (Gray)** 3 , **Sands** 2 , **Shale** 2 |
| 500–1000 ft | **Shale** 7 , **Sand** 2 , **Sand (Carrizo)** 3 , **Shale,Clay** 2 , **Light Gray Clay** 2 , **Sand Shale** 1 |
| 1000–5000 ft | **Wilcox Sand** 1 , **Shale Sand.** 1 |

### Who drills here

*Licensed firms in state well grid 77-34, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 33 | 5 | — | 2012–2018 |
| [Dennis Drilling Company](/driller/dennis-drilling-company.md) | 23 | 580 | — | 2003–2024 |
| [I&I Pump Service](/driller/i-i-pump-service.md) | 16 | 560 | 180 | 2011–2016 |
| [Bull's Eye Services, LLC](/driller/bull-s-eye-services-llc.md) | 9 | 661 | 450 | 2011–2026 |
| I&I PumpService | 7 | 500 | 50 | 2009–2014 |
| [Ivy Water Well Drilling, Inc.](/driller/ivy-water-well-drilling-inc.md) | 6 | 686 | 294 | 2017–2018 |
| [BULLS EYE SERVICES LLC](/driller/bulls-eye-services-llc.md) | 3 | 752 | 300 | 2011–2024 |
| [Burleson Services, Inc.](/driller/burleson-services-inc.md) | 3 | 707 | 350 | 2010–2011 |
| [Water Well Services, Inc.](/driller/water-well-services-inc.md) | 2 | 720 | 420 | 2018 |
| [Pinnergy, LTD](/driller/pinnergy-ltd.md) | 2 | 1,893 | 150 | 2012–2013 |
| [Chaffin Water Well Service](/driller/chaffin-water-well-service.md) | 2 | 710 | 450 | 2012 |
| [Holt Engineering, Inc.](/driller/holt-engineering-inc.md) | 2 | 27 | — | 2011 |
| [Cruz Drilling](/driller/cruz-drilling.md) | 2 | 445 | 100 | 2005 |
| JOHN SHORT | 2 | 405 | 25 | 2003 |
| [Moy's Water Well Drilling & Services of Texas](/driller/moy-s-water-well-drilling-services-of-texas.md) | 1 | 605 | 60 | 2020 |
| ALPHA & OMEGA DRILLING SREVICES | 1 | — | — | 2015 |
| DAVENPORT DRILLING AND PUMP SERVICE | 1 | — | 200 | 2010 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Environmental Soil Boring | 32 | 27.6% | 5 |
| Domestic | 29 | 25.0% | 575 |
| Industrial | 19 | 16.4% | 560 |
| Rig Supply | 14 | 12.1% | 707 |
| Fracking Supply | 6 | 5.2% | 752 |
| Stock | 5 | 4.3% | 661 |
| Irrigation | 4 | 3.4% | 701 |
| Monitor | 4 | 3.4% | 27 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 15 | 460 | 220 |
| 2010s | 95 | 518 | 295 |
| 2020s | 6 | 605 | 350 |

### The deepest reports on file

*Deepest reports in state well grid 77-34. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 317477 | 2013 | 1,893 | — | — | Fracking Supply |
| 243346 | 2010 | 1,235 | 175 | — | Rig Supply |
| 306295 | 2012 | 1,083 | 215 | 150 | Fracking Supply |
| 215478 | 2008 | 960 | 300 | — | Domestic |
| 215475 | 2008 | 825 | 240 | — | Domestic |
| 664152 | 2024 | 752 | 365 | 400 | Fracking Supply |
| 449512 | 2017 | 725 | 290 | — | Irrigation |
| 482238 | 2018 | 720 | 328 | 504 | Fracking Supply |
| 471018 | 2018 | 720 | 320 | 420 | Rig Supply |
| 305476 | 2012 | 710 | 290 | 450 | Public Supply |

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 77-34?

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 [Dimmit County](/county/dimmit.md).

### Grids with a comparable number of reports

- [84-38](/area/84-38.md)
- [84-55](/area/84-55.md)
- [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)
- [79-63](/area/79-63.md)
- [87-31](/area/87-31.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)

---

Página: https://texas-water-wells.pages.dev/area/77-34/
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