# Well grid 77-08, Texas — Frio, Kerr — how deep, and through what

> 273 well reports in Texas state well grid 77-08, covering Frio, Kerr. Median depth 25 ft.

## Texas well grid 77-08

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Frio County](/county/frio.md) and [Kerr County](/county/kerr.md). **273** reports, median depth **25 ft**.

### What you will drill through in grid 77-08

*Logged in state well grid 77-08, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Surface** 36 , **Clay** 22 , **Yellow Clay** 14 , **Caliche** 12 , **Gravel** 11 , **Sand** 10 |
| 25–50 ft | **Shale** 8 , **Blue Shale** 6 , **Sand** 6 , **Gravel** 3 , **Yellow Sand** 3 , **Clay** 3 |
| 50–100 ft | **Shale** 12 , **Blue Shale** 12 , **Sand** 11 , **Gray Sand** 7 , **Blue Clay** 4 , **Sandy Shale** 3 |
| 100–200 ft | **Shale** 13 , **Sand** 13 , **Sandy Shale** 10 , **Blue Shale** 6 , **Grey Sand** 4 , **Gray Sand** 3 |
| 200–300 ft | **Sand** 14 , **Shale** 10 , **Gray Sand** 6 , **Sandy Shale** 5 , **Blue Shale** 3 , **Sandy** 2 |
| 300–500 ft | **Shale** 15 , **Sand** 10 , **Sandy Shale** 6 , **Blue Shale** 4 , **Gray Sand** 4 , **Clay** 4 |
| 500–1000 ft | **Sand** 12 , **Shale** 11 , **Sandy Shale** 4 , **Sand, Shale Layers** 3 , **Grey Sand** 2 , **Sand + Shale** 2 |
| 1000–5000 ft | **Carrizo Sand** 6 , **Sandy Shale** 3 , **Shale** 3 , **Sand** 2 , **Carrizo** 2 , **Hard Blue Shale** 1 |

### Who drills here

*Licensed firms in state well grid 77-08, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Vortex Drilling, Inc.](/driller/vortex-drilling-inc.md) | 133 | 12 | — | 2006–2018 |
| [Cascade Drilling](/driller/cascade-drilling.md) | 25 | 25 | — | 2011–2026 |
| [SHEPHERD DRILLING](/driller/shepherd-drilling.md) | 22 | 140 | 15 | 2003–2026 |
| [Cruz Drilling](/driller/cruz-drilling.md) | 18 | 100 | 30 | 2003–2013 |
| [Cascade Technical Services](/driller/cascade-technical-services.md) | 16 | 10 | — | 2020 |
| [McKinley Drilling](/driller/mckinley-drilling.md) | 13 | 1,396 | 600 | 2004–2025 |
| [Underground Water Resources, LLC](/driller/underground-water-resources-llc.md) | 4 | 420 | 14 | 2020–2022 |
| Geoprojects Int'l | 4 | 70 | — | 2018 |
| [Select Drilling Services, LLC.](/driller/select-drilling-services-llc.md) | 3 | 20 | — | 2015 |
| [Dennis Drilling Company](/driller/dennis-drilling-company.md) | 3 | 681 | — | 2007–2012 |
| Hurst H2O Well Service,LLC | 2 | 305 | 20 | 2025 |
| [Bull's Eye Services, LLC](/driller/bull-s-eye-services-llc.md) | 2 | 760 | 140 | 2023–2025 |
| [Envirotech Drilling Services LLC](/driller/envirotech-drilling-services-llc.md) | 2 | 70 | — | 2023 |
| [James Pawlik Water Well Service, Inc.](/driller/james-pawlik-water-well-service-inc.md) | 2 | 700 | 30 | 2014–2022 |
| [Moy's Water Well Services](/driller/moy-s-water-well-services.md) | 2 | 630 | 35 | 2021 |
| [Moy's Water Well Drilling & Services of Texas](/driller/moy-s-water-well-drilling-services-of-texas.md) | 2 | 380 | 10 | 2021 |
| [Geoprojects International, Inc.](/driller/geoprojects-international-inc.md) | 2 | 70 | — | 2019 |
| [Artesia Drilling](/driller/artesia-drilling.md) | 2 | 1,040 | — | 2014–2015 |
| [Cherokee Drilling](/driller/cherokee-drilling.md) | 2 | 195 | 7 | 2008–2012 |
| [Pipe Creek Water Well, Inc.](/driller/pipe-creek-water-well-inc.md) | 2 | 890 | — | 2011–2012 |
| [Jones Environmental Drilling, Inc.](/driller/jones-environmental-drilling-inc.md) | 2 | — | — | 2003 |
| R&K Water Well Drilling | 1 | 380 | — | 2026 |
| [BULLS EYE SERVICES LLC](/driller/bulls-eye-services-llc.md) | 1 | 900 | 10 | 2021 |
| [Thomas Moy and Son's](/driller/thomas-moy-and-son-s.md) | 1 | 440 | — | 2021 |
| [James Pawlik Water Wll Service, Inc.](/driller/james-pawlik-water-wll-service-inc.md) | 1 | 620 | 40 | 2015 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Environmental Soil Boring | 106 | 38.8% | 10 |
| Monitor | 81 | 29.7% | 25 |
| Domestic | 58 | 21.2% | 160 |
| Stock | 13 | 4.8% | 420 |
| Irrigation | 11 | 4.0% | 1,280 |
| Industrial | 2 | 0.7% | 1,441 |
| Public Supply | 2 | 0.7% | 1,424 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 71 | 80 | 30 |
| 2010s | 145 | 20 | 50 |
| 2020s | 57 | 105 | 172 |

### The deepest reports on file

*Deepest reports in state well grid 77-08. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 710938 | 2025 | 1,533 | 481 | 1,050 | Irrigation |
| 258781 | 2011 | 1,530 | 400 | 1,200 | Irrigation |
| 639001 | 2022 | 1,487 | 454 | 1,000 | Irrigation |
| 664379 | 2024 | 1,441 | 447 | 600 | Industrial |
| 597263 | 2021 | 1,440 | 301 | 300 | Irrigation |
| 347624 | 2013 | 1,424 | 506 | 598 | Public Supply |
| 295787 | 2012 | 1,396 | 412 | 1,100 | Irrigation |
| 286474 | 2012 | 1,377 | 400 | 300 | Public Supply |
| 710648 | 2023 | 1,280 | 471 | 150 | Irrigation |
| 99643 | 2006 | 1,245 | 428 | 180 | Irrigation |

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 77-08?

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 [Frio County](/county/frio.md), [Kerr County](/county/kerr.md).

### Grids with a comparable number of reports

- [67-58](/area/67-58.md)
- [63-09](/area/63-09.md)
- [13-54](/area/13-54.md)
- [66-27](/area/66-27.md)
- [66-34](/area/66-34.md)
- [07-05](/area/07-05.md)
- [59-21](/area/59-21.md)
- [10-61](/area/10-61.md)
- [21-35](/area/21-35.md)
- [28-33](/area/28-33.md)
- [19-46](/area/19-46.md)
- [43-30](/area/43-30.md)
- [21-34](/area/21-34.md)

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Página: https://texas-water-wells.pages.dev/area/77-08/
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