# Well grid 10-21, Texas — Castro, Deaf Smith — how deep, and through what

> 117 well reports in Texas state well grid 10-21, covering Castro, Deaf Smith. Median depth 375 ft.

## Texas well grid 10-21

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Castro County](/county/castro.md) and [Deaf Smith County](/county/deaf-smith.md). **117** reports, median depth **375 ft**.

### What you will drill through in grid 10-21

*Logged in state well grid 10-21, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Top Soil** 41 , **Topsoil** 19 , **Caliche And Clay** 14 , **Surface Top Soil Brown Clay** 12 , **Caliche** 11 , **Surface Top Soil Brown Clay W/Sandy Clay Strips** 11 |
| 25–50 ft | **Caliche W/Rock Strips** 8 , **Sandstone** 5 , **Sand, Sandstone** 4 , **Sand W/Brown Clay Strips** 3 , **Sand, Sandy Clay** 3 , **Fine Sand, Sandstone** 3 |
| 50–100 ft | **Sand W/Minor Clay Strips** 12 , **Fine Sand, Sandstone** 9 , **Sand, Sandstone** 4 , **Sandstone** 3 , **Sandy Clay** 3 , **Sand & Sandstone** 3 |
| 100–200 ft | **Sandstone** 10 , **Sand** 7 , **Sand, Sandy Clay, Sandstone** 6 , **Sandyclay** 4 , **Sandy Clay** 5 , **Fine Sand, Sandstone** 5 |
| 200–300 ft | **Fine Sand, Sandstone** 8 , **Sand** 11 , **Fine Fairly Loose Sand** 11 , **Sand, Sandy Clay, Sandstone** 7 , **Gravel And Sand** 6 , **Med Fine Fairly Loose Sand** 7 |
| 300–500 ft | **Red Clay** 31 , **Red Bed** 23 , **Redbed** 11 , **Red Clay + Shale** 8 , **Fine Fairly Loose Sand W/Little Clay Mix** 8 , **Red And Blue** 6 |
| 500–1000 ft | **Red Clay + Shale** 11 , **Red And Gray Clay + Shale** 7 , **Red Clay** 9 , **Red & Blue Clay + Shale** 5 , **Red Clay & Shale** 4 , **Red Clay W/Shale** 1 |
| 1000–5000 ft | **Red Clay W/Shale** 1 , **Gray To Red Clay W/Shale** 1 , **Red Clay W/Hard Shale Strips** 1 , **Red Clay W/Very Hard Shale Strips** 1 , **Red Clay** 1 , **Red Shale** 1 |

### Who drills here

*Licensed firms in state well grid 10-21, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [HI PLAINS DRILLING, INC.](/driller/hi-plains-drilling-inc.md) | 22 | 366 | — | 2006–2014 |
| [LT Drilling Company](/driller/lt-drilling-company.md) | 15 | 420 | 390 | 2007–2009 |
| [Peter B Loewen](/driller/peter-b-loewen.md) | 14 | 340 | — | 2021–2026 |
| [L T Drilling Company](/driller/l-t-drilling-company.md) | 14 | 880 | — | 2005–2007 |
| [DRILL PRO WATER WELL DRILLING](/driller/drill-pro-water-well-drilling.md) | 10 | 370 | — | 2016–2025 |
| [CURRIE DRILLING CO.,INC.](/driller/currie-drilling-co-inc.md) | 10 | 358 | 16 | 2004–2023 |
| [Hydro Resources Mid Continent Inc.](/driller/hydro-resources-mid-continent-inc.md) | 10 | 340 | — | 2011–2021 |
| [B & R IRRIGATION](/driller/b-r-irrigation.md) | 4 | 348 | — | 2012 |
| [4 Way Pump Service, Inc.](/driller/4-way-pump-service-inc.md) | 4 | 343 | 250 | 2005–2012 |
| [Wilson Drilling, Inc.](/driller/wilson-drilling-inc.md) | 2 | 378 | — | 2016 |
| [Couch Operating, LLC](/driller/couch-operating-llc.md) | 2 | 323 | — | 2014 |
| [Hydro Resouces Mid Contient Inc](/driller/hydro-resouces-mid-contient-inc.md) | 2 | 359 | — | 2013 |
| [Hydro Resources Mid Contient Inc](/driller/hydro-resources-mid-contient-inc.md) | 2 | 382 | — | 2012 |
| [K-Ran Drilling](/driller/k-ran-drilling.md) | 1 | 324 | 36 | 2024 |
| [DB&E Co LTD](/driller/db-e-co-ltd.md) | 1 | 376 | — | 2023 |
| [4-M Drilling](/driller/4-m-drilling.md) | 1 | 360 | 10 | 2018 |
| [H & F Waterwell Drilling Co.](/driller/h-f-waterwell-drilling-co.md) | 1 | 378 | — | 2013 |
| [Les Taylor Drilling Company](/driller/les-taylor-drilling-company.md) | 1 | — | — | 2003 |
| Campbell Drilling | 1 | 370 | 185 | 2004 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Irrigation | 70 | 59.8% | 365 |
| Test Well | 33 | 28.2% | 420 |
| Domestic | 13 | 11.1% | 360 |
| Stock | 1 | 0.9% | 348 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 53 | 401 | 234 |
| 2010s | 32 | 366 | 250 |
| 2020s | 32 | 340 | 279 |

### The deepest reports on file

*Deepest reports in state well grid 10-21. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 423059 | 2016 | 1,100 | — | — | Test Well |
| 59291 | 2005 | 1,040 | — | — | Test Well |
| 134363 | 2007 | 1,030 | — | — | Test Well |
| 134404 | 2007 | 1,026 | — | — | Irrigation |
| 280661 | 2011 | 1,020 | — | — | Test Well |
| 134397 | 2007 | 1,020 | — | — | Test Well |
| 134387 | 2007 | 1,020 | — | — | Test Well |
| 146824 | 2008 | 1,000 | — | — | Test Well |
| 146815 | 2008 | 1,000 | — | — | Test Well |
| 59304 | 2005 | 1,000 | — | — | Test Well |

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 10-21?

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 [Castro County](/county/castro.md), [Deaf Smith County](/county/deaf-smith.md).

### Grids with a comparable number of reports

- [34-06](/area/34-06.md)
- [34-30](/area/34-30.md)
- [38-08](/area/38-08.md)
- [56-45](/area/56-45.md)
- [58-24](/area/58-24.md)
- [67-49](/area/67-49.md)
- [68-58](/area/68-58.md)
- [11-60](/area/11-60.md)
- [29-26](/area/29-26.md)
- [37-04](/area/37-04.md)
- [37-53](/area/37-53.md)
- [84-38](/area/84-38.md)
- [84-55](/area/84-55.md)

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Página: https://texas-water-wells.pages.dev/area/10-21/
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