Texas well grid 18-18
A 7.5-minute quadrangle of the Texas state well grid, mostly in Grayson County. 107 reports, median depth 260 ft.
107Reports
260 ftMedian depth
140 ftWater at
20 gpmMedian yield
What you will drill through in grid 18-18
| 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
| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| A.L. Moser Drilling, Inc. | 24 | 400 | 20 | 2005–2018 |
| Prospector Drilling and Tool Co., Inc. | 24 | 41 | — | 2004 |
| H/ET | 16 | 64 | — | 2022–2023 |
| FAULKNER & SON | 15 | 320 | 20 | 2015–2025 |
| Roddy Qualls Environmental Drilling | 6 | 25 | — | 2019 |
| Double J Water Wells, LLC | 2 | 385 | — | 2025–2026 |
| M5 Drilling | 2 | 480 | 18 | 2024–2026 |
| THE MCAFEE COMPANY | 2 | 360 | 17 | 2021 |
| Bassett Drilling | 2 | 470 | 20 | 2015–2020 |
| Erwin Water Well Drilling | 2 | 420 | — | 2018 |
| Faulkner and Son | 2 | 300 | 30 | 2003–2005 |
| Geothermal Drilling inc | 2 | — | — | 2001 |
| Davis Water Well, LLC | 1 | 400 | 175 | 2025 |
| Double D Drilling | 1 | 340 | 17 | 2021 |
| Central Texas Water Well | 1 | 360 | — | 2021 |
| Faulkner and Son water well | 1 | 320 | 250 | 2014 |
| Strittmatter Irrigation | 1 | 405 | — | 2009 |
| Groundwater Monitoring Inc. | 1 | — | — | 2008 |
| A L MOSER DRILLING INC/FRANK BAUMAN | 1 | 340 | 10 | 2003 |
| TIM HALL INC | 1 | — | — | 2004 |
What the wells are for
| 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 |
| 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
| 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.
This grid falls in Grayson County.