Texas well grid 66-31
A 7.5-minute quadrangle of the Texas state well grid, mostly in Wharton County and Colorado County. 157 reports, median depth 160 ft.
157Reports
160 ftMedian depth
47 ftWater at
40 gpmMedian yield
What you will drill through in grid 66-31
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Clay 48, Sand 50, Top Soil 48, Topsoil 26, White Clay 21, Sand & Gravel 17 |
| 25–50 ft | Clay 39, Sand 25, Red Clay 25, White Clay 12, Sand & Gravel 6, Sand And Gravel 5 |
| 50–100 ft | Sand 56, Clay 35, Red Clay 13, White Clay 12, Sand & Gravel 11, Coarse Sand 9 |
| 100–200 ft | Sand 58, Clay 44, Rock 19, White Clay 17, Red Clay 6, Coarse Sand 7 |
| 200–300 ft | Sand 27, Clay 19, Rock 4, White Clay 3, Sand & Rock 2, Rock & Clay 1 |
| 300–500 ft | Sand 17, Clay 15, Hard Clay 1, Sand & Gravel 2, White Clay 2, Shale 1 |
| 500–1000 ft | Clay 10, Sand 9, Sand & Clay 2, Rocks & Sand 2, Sand & Rocks 2, Sand/Clay 1 |
Who drills here
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 101 | 64.3% | 150 |
| Rig Supply | 20 | 12.7% | 170 |
| Irrigation | 19 | 12.1% | 603 |
| Industrial | 12 | 7.6% | 180 |
| Stock | 4 | 2.5% | 214 |
| Other | 1 | 0.6% | 140 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 43 | 132 | 37 |
| 2010s | 77 | 193 | 56 |
| 2020s | 37 | 160 | 42 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 161380 | 2008 | 1,250 | — | — | Rig Supply |
| 407913 | 2015 | 910 | 105 | — | Irrigation |
| 282087 | 2012 | 900 | 35 | — | Irrigation |
| 278634 | 2012 | 900 | 22 | — | Irrigation |
| 277981 | 2012 | 900 | 42 | — | Irrigation |
| 208083 | 2010 | 866 | 30 | — | Irrigation |
| 349559 | 2013 | 850 | 35 | — | Irrigation |
| 349827 | 2013 | 750 | — | — | Irrigation |
| 327183 | 2012 | 653 | 43 | 1,863 | Irrigation |
| 577860 | 2021 | 603 | — | — | Irrigation |
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 66-31?
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 Wharton County, Colorado County, Austin County, Fort Bend County, Jackson County.