# Well grid 40-01, Texas — Bosque, Hamilton — how deep, and through what

> 147 well reports in Texas state well grid 40-01, covering Bosque, Hamilton, Coryell. Median depth 490 ft.

## Texas well grid 40-01

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Bosque County](/county/bosque.md) and [Hamilton County](/county/hamilton.md). **147** reports, median depth **490 ft**.

### What you will drill through in grid 40-01

*Logged in state well grid 40-01, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Topsoil** 36 , **Caliche** 25 , **Top Soil** 14 , **Grey Shale And Limestone** 13 , **Brown Clay** 11 , **Tan Sandy Clay** 8 |
| 25–50 ft | **Grey Shale And Limestone** 4 , **Gray Clay, Shale, Limestone** 4 , **Blue Sandy Clay** 3 , **Grey Clay, Shale And Limestone** 3 , **Limestone** 2 , **Glen Rose Lime** 2 |
| 50–100 ft | **Grey Shale And Limestone** 6 , **Grey Clay, Shale And Limestone** 4 , **Gray Clay, Shale, Limestone** 3 , **Glen Rose Lime** 2 , **Grey Clay, Shale, Limestone** 1 , **Sand** 2 |
| 100–200 ft | **Sandy Shale** 4 , **Grey Sandy Clay** 2 , **Blue Sandy Clay With Limestone Streaks** 3 , **Blue Sandy Clay** 3 , **Grey Shale And Limestone** 3 , **Sandy Blue Clay** 3 |
| 200–300 ft | **Blue Sandy Clay** 16 , **Sand** 9 , **Shale** 4 , **Red Clay** 5 , **Sandy Shale** 4 , **Sandy Blue Clay** 4 |
| 300–500 ft | **Red Clay** 43 , **Sand** 26 , **Blue Sandy Clay** 16 , **Sand And Sandstone** 13 , **Sand And Gravel** 13 , **Blue And Red Clay** 13 |
| 500–1000 ft | **Yellow Clay** 12 , **Yellow Clay And Shale** 8 , **Red Bed** 7 , **Red Clay** 6 , **Tan Clay** 6 , **Sand And Sandstone** 5 |

### Who drills here

*Licensed firms in state well grid 40-01, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [Associated Well Services, Inc.](/driller/associated-well-services-inc.md) | 34 | 520 | 50 | 2014–2026 |
| [Dowell Well Service](/driller/dowell-well-service.md) | 34 | 475 | 35 | 2003–2026 |
| [Associated Services](/driller/associated-services.md) | 29 | 479 | 15 | 2003–2011 |
| [Dalton Drilling & Service](/driller/dalton-drilling-service.md) | 8 | 500 | 60 | 2001–2023 |
| [Groundwater Monitoring Inc.](/driller/groundwater-monitoring-inc.md) | 6 | — | — | 2005 |
| [GAP DRILLING & SERIVICE](/driller/gap-drilling-serivice.md) | 5 | 475 | — | 2022–2023 |
| [POLLOCK WATER WELL DRILLING](/driller/pollock-water-well-drilling.md) | 5 | 660 | 15 | 2004–2014 |
| [POLLOCK WATER WELL](/driller/pollock-water-well.md) | 4 | 640 | 15 | 2017–2025 |
| [BENNETT WATER WELL DRILLING, INC.](/driller/bennett-water-well-drilling-inc.md) | 4 | 450 | 25 | 2005–2017 |
| [Jones Drilling Inc.](/driller/jones-drilling-inc.md) | 4 | 332 | 12 | 2003–2011 |
| [Assoicated Services](/driller/assoicated-services.md) | 2 | 399 | 10 | 2006–2011 |
| Pollock Water Well Drilling and Service | 1 | 720 | 15 | 2023 |
| [Vanguard Well Resources, LLC](/driller/vanguard-well-resources-llc.md) | 1 | 525 | — | 2023 |
| [Elite Drillers Corporation](/driller/elite-drillers-corporation.md) | 1 | 480 | — | 2023 |
| [POLLOCK WATER WELL DRILLING & SVC INC](/driller/pollock-water-well-drilling-svc-inc.md) | 1 | 580 | 125 | 2023 |
| [HAD Drilling Co.](/driller/had-drilling-co.md) | 1 | 500 | 15 | 2020 |
| [Associated Well Services Inc- Colton Aardal](/driller/associated-well-services-inc-colton-aardal.md) | 1 | — | — | 2015 |
| Associated Well Service Inc. | 1 | 596 | 150 | 2013 |
| Associated Services - Josh Aardal | 1 | 455 | 10 | 2009 |
| [Michael Gilliam Consultant Services](/driller/michael-gilliam-consultant-services.md) | 1 | 383 | — | 2007 |
| Associated Services-Gary Aardal | 1 | 478 | 50 | 2004 |
| [Ball Drilling Company](/driller/ball-drilling-company.md) | 1 | — | — | 2004 |
| [Double Diamond Water Well Service](/driller/double-diamond-water-well-service.md) | 1 | 440 | 10 | 2003 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 123 | 83.7% | 500 |
| Stock | 10 | 6.8% | 480 |
| Monitor | 6 | 4.1% | — |
| Irrigation | 5 | 3.4% | 530 |
| Test Well | 2 | 1.4% | 160 |
| Closed-Loop Geothermal | 1 | 0.7% | — |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 58 | 455 | 325 |
| 2010s | 47 | 508 | 340 |
| 2020s | 42 | 525 | 375 |

### The deepest reports on file

*Deepest reports in state well grid 40-01. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 168418 | 2007 | 797 | 549 | 150 | Domestic |
| 141063 | 2008 | 740 | 500 | 50 | Domestic |
| 656040 | 2023 | 720 | 520 | 15 | Domestic |
| 491001 | 2018 | 720 | 524 | 15 | Domestic |
| 122518 | 2007 | 680 | 545 | 30 | Domestic |
| 559581 | 2020 | 670 | 477 | 80 | Domestic |
| 116454 | 2007 | 670 | — | 100 | Domestic |
| 53187 | 2004 | 660 | 375 | 50 | Domestic |
| 399919 | 2015 | 652 | 462 | — | Domestic |
| 629758 | 2023 | 640 | 459 | — | 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 40-01?

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 [Bosque County](/county/bosque.md), [Hamilton County](/county/hamilton.md), [Coryell County](/county/coryell.md), [Somervell County](/county/somervell.md), [Hunt County](/county/hunt.md).

### Grids with a comparable number of reports

- [45-40](/area/45-40.md)
- [59-03](/area/59-03.md)
- [60-12](/area/60-12.md)
- [62-09](/area/62-09.md)
- [64-06](/area/64-06.md)
- [20-46](/area/20-46.md)
- [38-11](/area/38-11.md)
- [44-63](/area/44-63.md)
- [64-13](/area/64-13.md)
- [34-22](/area/34-22.md)
- [37-54](/area/37-54.md)
- [57-37](/area/57-37.md)
- [59-24](/area/59-24.md)

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Página: https://texas-water-wells.pages.dev/area/40-01/
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