Texas well grid 66-37
A 7.5-minute quadrangle of the Texas state well grid, mostly in Colorado County and Wharton County. 164 reports, median depth 120 ft.
164Reports
120 ftMedian depth
38 ftWater at
75 gpmMedian yield
What you will drill through in grid 66-37
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Clay 40, Sand 34, Topsoil 30, Top Soil 26, Red Clay 23, Sand & Gravel 20 |
| 25–50 ft | Sand & Gravel 20, Clay 19, Sand 10, Gravel 6, Red Clay 6, White Clay 4 |
| 50–100 ft | Gravel 26, Clay 14, Sand & Gravel 12, Sand 12, Rock 5, Yellow Clay 4 |
| 100–200 ft | Rock 28, Sand 10, Coarse Sand 10, Clay 8, Tan Clay 7, Hard Rock 5 |
| 200–300 ft | Sand 3, Clay 1, Red Clay 1, Shale 1, Clay & Rocks 1, Sand & Rocks 1 |
| 300–500 ft | Sand 4, Shale 3, Clay 2, Sand & Rocks 1, Clay & Rocks 1, Sand Streaks 1 |
| 500–1000 ft | Shale 2, Clay 3, Sand 4, Gravel 1, Hard 1, Hard Clay 1 |
Who drills here
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 81 | 49.4% | 119 |
| Rig Supply | 30 | 18.3% | 146 |
| Irrigation | 27 | 16.5% | 123 |
| Stock | 13 | 7.9% | 120 |
| Industrial | 8 | 4.9% | 210 |
| Public Supply | 2 | 1.2% | 286 |
| Monitor | 2 | 1.2% | 80 |
| Other | 1 | 0.6% | 130 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 63 | 119 | 39 |
| 2010s | 60 | 123 | 37 |
| 2020s | 41 | 117 | 38 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 248247 | 2011 | 975 | 24 | — | Industrial |
| 369267 | 2014 | 730 | 75 | 2,500 | Irrigation |
| 343549 | 2013 | 665 | — | — | Irrigation |
| 212734 | 2010 | 560 | 32 | 2,400 | Irrigation |
| 27242 | 2003 | 482 | 25 | — | Irrigation |
| 336295 | 2012 | 402 | 110 | 50 | Domestic |
| 37328 | 2004 | 320 | 100 | 90 | Domestic |
| 28623 | 2003 | 286 | 45 | 148 | Public Supply |
| 363566 | 2014 | 218 | 36 | 50 | Domestic |
| 412125 | 2015 | 210 | 25 | — | 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 66-37?
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 Colorado County, Wharton County, Fort Bend County, Victoria County, Fayette County.