Texas well grid 66-17
A 7.5-minute quadrangle of the Texas state well grid, mostly in Fayette County and Lavaca County. 449 reports, median depth 160 ft.
449Reports
160 ftMedian depth
70 ftWater at
40 gpmMedian yield
What you will drill through in grid 66-17
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Tan Clay 59, Clay 45, Top Soil 48, Brown Sandy Loam 30, Brown Top Soil 26, Tan Sand 21 |
| 25–50 ft | Tan Clay 30, Sand 12, Brown Sand 11, Clay 9, Blue Clay 8, Tan Sand 8 |
| 50–100 ft | Tan Clay 48, Clay 29, Sand 19, Blue Clay 21, Tan Sand 19, Brown Sand 12 |
| 100–200 ft | Clay 26, Tan Clay 25, Sand 24, Gray Sand 19, Tan Sandy Clay 17, Blue Clay 17 |
| 200–300 ft | Sand 14, Blue Clay 11, Clay 10, Shale 6, Fine Gray Sand 5, Tan Clay 5 |
| 300–500 ft | Sand 8, Blue Clay 4, Clay 7, Shale 3, Blue Sandy Clay & Rock 2, Gray Sand 4 |
| 500–1000 ft | Sand 3, Shale 2, Clay 4, Sand/Clay 1, Blue Clay 2, Gray Sand & Layered Rock 1 |
| 1000–5000 ft | Shale 2, Sand 2 |
Who drills here
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 317 | 70.6% | 176 |
| Environmental Soil Boring | 69 | 15.4% | 13 |
| Monitor | 30 | 6.7% | 23 |
| Stock | 17 | 3.8% | 203 |
| Rig Supply | 8 | 1.8% | 520 |
| Irrigation | 3 | 0.7% | 230 |
| Public Supply | 3 | 0.7% | 1,125 |
| Fracking Supply | 1 | 0.2% | — |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 154 | 160 | 63 |
| 2010s | 178 | 127 | 71 |
| 2020s | 117 | 201 | 80 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 257853 | 2011 | 1,200 | 169 | 400 | Public Supply |
| 18940 | 2002 | 1,125 | 189 | 402 | Public Supply |
| 320192 | 2013 | 1,010 | — | — | Rig Supply |
| 326110 | 2012 | 870 | — | — | Industrial |
| 576627 | 2021 | 700 | — | — | Domestic |
| 633889 | 2023 | 620 | 168 | 80 | Domestic |
| 167185 | 2009 | 620 | 175 | 70 | Domestic |
| 223492 | 2009 | 603 | 87 | 100 | Domestic |
| 458857 | 2017 | 600 | 136 | — | Domestic |
| 549896 | 2020 | 590 | 156 | 50 | 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 66-17?
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 Fayette County, Lavaca County, Fort Bend County, Colorado County, Brazoria County.