Texas well grid 66-08
A 7.5-minute quadrangle of the Texas state well grid, mostly in Waller County and Austin County. 394 reports, median depth 220 ft.
394Reports
220 ftMedian depth
74 ftWater at
50 gpmMedian yield
What you will drill through in grid 66-08
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Clay 172, Sand 80, Clay, Sand 40, Top Soil 25, Red Clay 18, Topsoil 15 |
| 25–50 ft | Sand 77, Clay 51, Gravel 25, Sand & Gravel 15, Sand, Gravel 14, Sand, Clay 14 |
| 50–100 ft | Clay 117, Sand 60, Gravel 25, Clay, Sand 16, Sand, Clay 12, Sand, Gravel 9 |
| 100–200 ft | Sand 178, Clay 162, Clay, Sand 42, Sand, Clay 43, Rock 20, Clay, Rock 16 |
| 200–300 ft | Sand 88, Clay 40, Clay, Sand 21, Rock 12, Sand, Clay 13, Sand And Rock 6 |
| 300–500 ft | Sand 14, Clay 7, Shale 3, Rock 3, Rock/Sand 2, Clay Shale Rock 1 |
| 500–1000 ft | Sand 1, Clay 1, Sand Clay 1, Fine Sand 1, Caliche 1 |
Who drills here
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 355 | 90.1% | 220 |
| Irrigation | 18 | 4.6% | 317 |
| Stock | 7 | 1.8% | 216 |
| Rig Supply | 7 | 1.8% | 240 |
| Public Supply | 4 | 1.0% | 297 |
| Test Well | 3 | 0.8% | 100 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 1990s | 2 | 195 | 60 |
| 2000s | 161 | 208 | 70 |
| 2010s | 131 | 232 | 75 |
| 2020s | 100 | 225 | 80 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 336868 | 2003 | 732 | 177 | 2,200 | Irrigation |
| 448185 | 2016 | 500 | 57 | 1,200 | Irrigation |
| 666334 | 2024 | 490 | 120 | 100 | Irrigation |
| 435679 | 2016 | 490 | 70 | 150 | Irrigation |
| 66214 | 2005 | 462 | 115 | — | Domestic |
| 659873 | 2023 | 410 | 122 | 220 | Irrigation |
| 515425 | 2018 | 400 | 40 | 600 | Irrigation |
| 209699 | 2010 | 390 | 78 | 60 | Domestic |
| 83495 | 2006 | 390 | 105 | 50 | Domestic |
| 160805 | 2005 | 378 | 86 | 80 | 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 66-08?
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.
This grid falls in Waller County, Austin County, Wharton County, Matagorda County.