Texas well grid 66-64
A 7.5-minute quadrangle of the Texas state well grid, mostly in Matagorda County and Wharton County. 149 reports, median depth 115 ft.
149Reports
115 ftMedian depth
25 ftWater at
100 gpmMedian yield
What you will drill through in grid 66-64
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Clay 28, Silty Clay, Drk. Brown 23, Sand 22, Silty Clay, Reddish Brown 18, Topsoil 17, Clay, Reddish Brown 16 |
| 25–50 ft | Clay 15, Sand 9, Red Clay 6, Brown Clay 4, Steaky Sand & Clay 1, Loose Hard Grey Clay 1 |
| 50–100 ft | Sand 28, Clay 18, Red Clay 6, Brown Clay 3, Clay Red 3, Medium-Course Brown Sand 3 |
| 100–200 ft | Clay 18, Sand 12, Red Clay 8, Sand & Clay 2, Brown Clay 3, Gray Clay 1 |
| 200–300 ft | Sand 17, Clay 12, Red Clay 2, Sand & Pea Gravel 1, Sand & Pea Gravel .010 1, Sand Grey .01-Peagravel 1 |
| 300–500 ft | Sand 11, Clay 10, Sand .008 2, Sand & Pea Gravel .010 1, Sand & Rocks 1, Red Clay 1 |
| 500–1000 ft | Sand 5, Clay 6, Sandy Clay 2, Shale 1, Sand .010 1, Sand & Clay 1 |
| 1000–5000 ft | Clay 1, Sand & Clay 1 |
Who drills here
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Irrigation | 29 | 19.5% | 135 |
| Monitor | 26 | 17.4% | 20 |
| Stock | 24 | 16.1% | 140 |
| Test Well | 22 | 14.8% | 21 |
| Environmental Soil Boring | 21 | 14.1% | 17 |
| Domestic | 14 | 9.4% | 150 |
| Rig Supply | 6 | 4.0% | 260 |
| Industrial | 6 | 4.0% | 140 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 25 | 140 | 15 |
| 2010s | 106 | 21 | 22 |
| 2020s | 18 | 150 | 33 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 328138 | 2013 | 1,100 | 83 | — | Irrigation |
| 370669 | 2014 | 990 | 127 | — | Irrigation |
| 118590 | 2004 | 922 | 90 | 80 | Irrigation |
| 118588 | 2004 | 920 | 102 | 2,500 | Irrigation |
| 202745 | 2009 | 850 | 63 | — | Irrigation |
| 707064 | 2025 | 680 | 70 | 55 | Rig Supply |
| 712574 | 2025 | 540 | — | — | Irrigation |
| 235526 | 2010 | 480 | 67 | 40 | Domestic |
| 430593 | 2016 | 441 | 81 | 200 | Irrigation |
| 422534 | 2016 | 441 | 73 | 200 | 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 66-64?
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 Matagorda County, Wharton County.