Texas well grid 66-06
A 7.5-minute quadrangle of the Texas state well grid, mostly in Austin County and Lavaca County. 382 reports, median depth 225 ft.
382Reports
225 ftMedian depth
92 ftWater at
45 gpmMedian yield
What you will drill through in grid 66-06
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Sand 101, Clay 89, Shale 51, Top Sand 46, Sandy Top Soil 38, Topsoil 26 |
| 25–50 ft | Sand 47, Clay 24, Tan Clay 7, Brown + Gray Clay + Rock Mix 8, Brown And Gray Clay 7, Brown + Gray Clay 6 |
| 50–100 ft | Sand 45, Clay 37, Fine Brown Sand Rock + Sand 13, Clay & Sandrock Layers 12, Shale 11, Brown + Gray Clay 11 |
| 100–200 ft | Sand 82, Clay 54, Shale 39, Fine Brown Sand Rock + Sand 22, Tan Clay 16, Brown + Gray Clay + Rock Mix 18 |
| 200–300 ft | Sand 56, Shale 35, Clay 34, Brown + Gray Clay 12, Rock 11, Sand & Rock 8 |
| 300–500 ft | Sand 27, Shale 17, Clay 16, Clay & Rock 4, Sand & Rock 5, Clay & Rock Layers 3 |
| 500–1000 ft | Shale 3, Rock & Sand 1, Clay 2, Sand 2, Shale & Sand Mixed 1, Clay & Rock 1 |
| 1000–5000 ft | Rock & Shale 1, Hard Shale 1, Sand Mixed With Rocks 1, Sand 1, Sand & Shale Mixed 1, Shale 1 |
Who drills here
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 315 | 82.5% | 225 |
| Irrigation | 28 | 7.3% | 510 |
| Stock | 18 | 4.7% | 180 |
| Monitor | 8 | 2.1% | 45 |
| Industrial | 4 | 1.0% | 230 |
| Other | 3 | 0.8% | 201 |
| Environmental Soil Boring | 3 | 0.8% | 45 |
| Public Supply | 2 | 0.5% | 1,670 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 130 | 180 | 81 |
| 2010s | 135 | 240 | 102 |
| 2020s | 117 | 240 | 100 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 167149 | 2004 | 1,670 | 94 | 900 | Public Supply |
| 396397 | 2015 | 590 | 120 | 120 | Irrigation |
| 535878 | 2020 | 550 | 145 | 100 | Irrigation |
| 436342 | 2016 | 530 | 110 | 140 | Irrigation |
| 175204 | 2004 | 525 | 114 | 70 | Domestic |
| 691565 | 2025 | 510 | 148 | 150 | Irrigation |
| 635295 | 2023 | 510 | 130 | 200 | Irrigation |
| 54297 | 2003 | 500 | 210 | 40 | Domestic |
| 332705 | 2006 | 450 | 160 | 150 | Industrial |
| 328410 | 2013 | 450 | 120 | 60 | Stock |
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 66-06?
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 Austin County, Lavaca County.