Texas well grid 66-28
A 7.5-minute quadrangle of the Texas state well grid, mostly in Colorado County and Fort Bend County. 242 reports, median depth 165 ft.
242Reports
165 ftMedian depth
70 ftWater at
50 gpmMedian yield
What you will drill through in grid 66-28
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Top Soil 45, Clay 36, Sand 31, Tan Clay 30, Topsoil 30, Red Clay 25 |
| 25–50 ft | Sand 52, Sand & Gravel 17, Sand & Rock 12, White Clay 11, Clay 10, Gravel 8 |
| 50–100 ft | Sand 71, Clay 37, White Clay 19, Tan Clay 14, Red Clay 15, Rock 15 |
| 100–200 ft | Sand 115, Clay 52, Tan Clay 46, White Clay 37, Rock 40, Sand & Rock 13 |
| 200–300 ft | Sand 18, Clay 12, Red Clay 7, Coarse Sand 7, Tan Clay 5, Rock 3 |
| 300–500 ft | Clay 7, Sand 7, Sand & Rocks 2, Sand & Clay 1, Brown Clay 1, Medium Sand 1 |
| 500–1000 ft | Sand 4, Clay 4, Rocks & Sand 2, Shale 2, Clay & Shale 1, Sand & Clay Mix 1 |
Who drills here
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 178 | 73.6% | 165 |
| Rig Supply | 25 | 10.3% | 240 |
| Stock | 19 | 7.9% | 160 |
| Irrigation | 9 | 3.7% | 380 |
| Monitor | 4 | 1.7% | 80 |
| Industrial | 3 | 1.2% | 209 |
| Public Supply | 3 | 1.2% | 530 |
| Other | 1 | 0.4% | 145 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 58 | 165 | 74 |
| 2010s | 73 | 185 | 69 |
| 2020s | 111 | 165 | 69 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 390660 | 2015 | 910 | 98 | — | Irrigation |
| 390690 | 2015 | 900 | 92 | — | Irrigation |
| 424359 | 2016 | 660 | 85 | 305 | Public Supply |
| 211052 | 2008 | 530 | 86 | 340 | Public Supply |
| 577486 | 2021 | 490 | 80 | 1,000 | Irrigation |
| 420743 | 2016 | 430 | 90 | 70 | Stock |
| 494265 | 2018 | 380 | 65 | 650 | Irrigation |
| 559721 | 2020 | 370 | 79 | — | Stock |
| 252081 | 2011 | 365 | 47 | 80 | Rig Supply |
| 313576 | 2013 | 342 | 110 | 200 | Public Supply |
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 66-28?
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, Fort Bend County.