# Well grid 18-18, Texas — Grayson — how deep, and through what

> 107 well reports in Texas state well grid 18-18, covering Grayson. Median depth 260 ft.

## Texas well grid 18-18

A 7.5-minute quadrangle of the Texas state well grid, mostly in [Grayson County](/county/grayson.md). **107** reports, median depth **260 ft**.

### What you will drill through in grid 18-18

*Logged in state well grid 18-18, by depth. The figure is how many wells hit it.*

| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | **Clay** 26 , **Topsoil** 22 , **Surface** 16 , **Yellow Clay** 14 , **Shale** 11 , **Brown Stiff Clay** 5 |
| 25–50 ft | **Shale** 11 , **Shale, W/Sand, Dk Grey, Hard** 4 , **Black Shale** 5 , **Sandstone, Light Grey, Hard** 3 , **Shale, Dk Grey, Hard** 2 , **Shale, W/Sand, Dk Gray, Hard** 2 |
| 50–100 ft | **Sand** 5 , **Shale, Dk Grey, Hard** 3 , **Shale** 2 , **W/Sand Greenish Grey, Fine Grained W/Siltstone** 1 , **Shale, W/Sand - Greenish Grey, W/Siltstone Layers** 1 , **Shale, Dk Gray, Hard** 1 |
| 100–200 ft | **Sand** 17 , **Shale** 9 , **Black Shale** 6 , **Sand And Shale** 3 , **Shale, Dk Grey, Hard** 4 , **Dry Sand** 3 |
| 200–300 ft | **Sand** 32 , **Shale** 18 , **Sand And Shale** 7 , **Shale And Sand** 4 , **Black Shale** 4 , **Gray Shale** 5 |
| 300–500 ft | **Shale** 23 , **Sand** 23 , **Sand And Shale** 8 , **Lime** 3 , **Shale And Sand** 3 , **Grey Clay** 2 |
| 500–1000 ft | **Sand** 3 , **Shale** 2 , **Gray Shale** 1 , **Sand And Shale** 1 |

### Who drills here

*Licensed firms in state well grid 18-18, busiest first.*

| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| [A.L. Moser Drilling, Inc.](/driller/a-l-moser-drilling-inc.md) | 24 | 400 | 20 | 2005–2018 |
| [Prospector Drilling and Tool Co., Inc.](/driller/prospector-drilling-and-tool-co-inc.md) | 24 | 41 | — | 2004 |
| [H/ET](/driller/h-et.md) | 16 | 64 | — | 2022–2023 |
| [FAULKNER & SON](/driller/faulkner-son.md) | 15 | 320 | 20 | 2015–2025 |
| [Roddy Qualls Environmental Drilling](/driller/roddy-qualls-environmental-drilling.md) | 6 | 25 | — | 2019 |
| [Double J Water Wells, LLC](/driller/double-j-water-wells-llc.md) | 2 | 385 | — | 2025–2026 |
| [M5 Drilling](/driller/m5-drilling.md) | 2 | 480 | 18 | 2024–2026 |
| THE MCAFEE COMPANY | 2 | 360 | 17 | 2021 |
| [Bassett Drilling](/driller/bassett-drilling.md) | 2 | 470 | 20 | 2015–2020 |
| [Erwin Water Well Drilling](/driller/erwin-water-well-drilling.md) | 2 | 420 | — | 2018 |
| Faulkner and Son | 2 | 300 | 30 | 2003–2005 |
| [Geothermal Drilling inc](/driller/geothermal-drilling-inc.md) | 2 | — | — | 2001 |
| Davis Water Well, LLC | 1 | 400 | 175 | 2025 |
| [Double D Drilling](/driller/double-d-drilling.md) | 1 | 340 | 17 | 2021 |
| [Central Texas Water Well](/driller/central-texas-water-well.md) | 1 | 360 | — | 2021 |
| Faulkner and Son water well | 1 | 320 | 250 | 2014 |
| [Strittmatter Irrigation](/driller/strittmatter-irrigation.md) | 1 | 405 | — | 2009 |
| [Groundwater Monitoring Inc.](/driller/groundwater-monitoring-inc.md) | 1 | — | — | 2008 |
| A L MOSER DRILLING INC/FRANK BAUMAN | 1 | 340 | 10 | 2003 |
| [TIM HALL INC](/driller/tim-hall-inc.md) | 1 | — | — | 2004 |

### What the wells are for

*Purpose, and how deep each went.*

| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 42 | 39.3% | 340 |
| Monitor | 41 | 38.3% | 45 |
| Test Well | 6 | 5.6% | 25 |
| Rig Supply | 6 | 5.6% | 560 |
| Irrigation | 5 | 4.7% | 380 |
| Injection | 2 | 1.9% | — |
| Industrial | 1 | 0.9% | 370 |
| Other | 1 | 0.9% | 400 |

*By decade drilled.*

| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 43 | 108 | 150 |
| 2010s | 31 | 340 | 120 |
| 2020s | 33 | 242 | 120 |

### The deepest reports on file

*Deepest reports in state well grid 18-18. Column one is the tracking number.*

| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 276802 | 2011 | 590 | 100 | 30 | Rig Supply |
| 266415 | 2011 | 585 | 250 | 75 | Rig Supply |
| 398484 | 2015 | 580 | 300 | 10 | Domestic |
| 350992 | 2013 | 560 | 100 | 20 | Rig Supply |
| 113160 | 2007 | 510 | 150 | 10 | Domestic |
| 308706 | 2012 | 500 | 60 | 90 | Rig Supply |
| 292453 | 2012 | 500 | 180 | 70 | Rig Supply |
| 715499 | 2026 | 480 | 160 | 17 | Domestic |
| 405870 | 2015 | 470 | 210 | 20 | Domestic |
| 485268 | 2018 | 420 | — | — | 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 18-18?

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 [Grayson County](/county/grayson.md).

### Grids with a comparable number of reports

- [30-44](/area/30-44.md)
- [31-43](/area/31-43.md)
- [33-37](/area/33-37.md)
- [41-39](/area/41-39.md)
- [44-09](/area/44-09.md)
- [46-09](/area/46-09.md)
- [56-39](/area/56-39.md)
- [45-01](/area/45-01.md)
- [56-08](/area/56-08.md)
- [68-33](/area/68-33.md)
- [79-51](/area/79-51.md)
- [04-44](/area/04-44.md)
- [05-45](/area/05-45.md)

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Página: https://texas-water-wells.pages.dev/area/18-18/
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