Texas well grid 66-27
A 7.5-minute quadrangle of the Texas state well grid, mostly in Colorado County and Lavaca County. 274 reports, median depth 200 ft.
274Reports
200 ftMedian depth
88 ftWater at
40 gpmMedian yield
What you will drill through in grid 66-27
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Sand 57, Yellow Clay 40, Top-Soil 41, Red Clay 35, Clay 32, Topsoil 32 |
| 25–50 ft | Sand 47, Clay 16, Red Clay 14, White Clay 11, Red & White Clay 10, Tan Clay 7 |
| 50–100 ft | Sand 73, Clay 24, Red Clay 24, White Clay 14, Tan Clay 17, Clay & Rock 12 |
| 100–200 ft | Sand 105, Rock 55, Clay 31, Red Clay 28, Tan Clay 17, Red & White Clay 18 |
| 200–300 ft | Sand 36, Rock 28, Clay 10, Tan Clay 7, Red & White Clay 6, Red Clay 6 |
| 300–500 ft | Sand 6, Clay 3, Rock 3, Bn Clay 2, Fine Gray Sand 1, Fine Gray Sand W/Shale 1 |
| 500–1000 ft | Sand 1, Clay 1 |
Who drills here
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 219 | 79.9% | 198 |
| Rig Supply | 27 | 9.9% | 260 |
| Stock | 20 | 7.3% | 185 |
| Monitor | 3 | 1.1% | — |
| Other | 2 | 0.7% | 300 |
| Irrigation | 2 | 0.7% | 144 |
| Industrial | 1 | 0.4% | — |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 103 | 199 | 85 |
| 2010s | 110 | 205 | 89 |
| 2020s | 61 | 198 | 94 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 357669 | 2014 | 632 | 120 | 90 | Rig Supply |
| 371739 | 2014 | 360 | 90 | 100 | Rig Supply |
| 70274 | 2005 | 357 | 112 | 55 | Domestic |
| 365794 | 2014 | 340 | 90 | 90 | Rig Supply |
| 348772 | 2013 | 340 | 149 | — | Rig Supply |
| 217333 | 2010 | 340 | — | — | Rig Supply |
| 567986 | 2021 | 338 | 151 | 50 | Domestic |
| 314706 | 2013 | 338 | 112 | 80 | Domestic |
| 478386 | 2018 | 335 | 158 | — | Domestic |
| 389631 | 2015 | 329 | 140 | 40 | 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 66-27?
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, Lavaca County.