Texas well grid 65-11
A 7.5-minute quadrangle of the Texas state well grid, mostly in Harris County and Matagorda County. 546 reports, median depth 60 ft.
546Reports
60 ftMedian depth
142 ftWater at
55 gpmMedian yield
What you will drill through in grid 65-11
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Clay 104, Concrete 57, Sand 34, No Recovery 19, Concrete/Road Base 22, Top Soil 22 |
| 25–50 ft | Clay 49, Sand 32, No Recovery 14, Clay, Red 12, Clay, Sand 8, Clay, Rock, Clay 6 |
| 50–100 ft | Sand 65, Clay 46, Clay, Sand 14, No Recovery 4, Sand & Gravel 10, Gravel 7 |
| 100–200 ft | Sand 95, Clay 72, Sand, Clay 23, Clay, Sand 15, Sand & Gravel 9, Sand, Clay, Sand 9 |
| 200–300 ft | Sand 99, Clay 51, Sand, Rock, Sand 17, Clay, Sand 16, Rock 8, Sand, Clay 10 |
| 300–500 ft | Sand 35, Clay 19, Rock 10, Shale 2, Sandy Clay 4, Red Clay 3 |
| 500–1000 ft | Sand 16, Clay 12, Sandy Clay 5, Blue Clay 3, Sand With Shale Streaks 1, Hard Clay 1 |
| 1000–5000 ft | Sand 11, Clay 10, Sandy Clay 3, Blue Clay 2, Clay (Gray) 2, Soft Clay 4 |
Who drills here
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Monitor | 277 | 50.7% | 44 |
| Domestic | 121 | 22.2% | 300 |
| Environmental Soil Boring | 54 | 9.9% | 10 |
| Public Supply | 45 | 8.2% | 650 |
| Irrigation | 18 | 3.3% | 320 |
| Other | 10 | 1.8% | 175 |
| Industrial | 8 | 1.5% | 310 |
| Injection | 5 | 0.9% | 135 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 1970s | 1 | 1,612 | 214 |
| 2000s | 181 | 225 | 140 |
| 2010s | 216 | 40 | 145 |
| 2020s | 148 | 50 | 133 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 46410 | 2004 | 2,000 | 348 | 1,200 | Public Supply |
| 203900 | 2006 | 1,770 | 351 | 1,205 | Public Supply |
| 440119 | 2016 | 1,625 | 379 | 1,612 | Public Supply |
| 622961 | 1975 | 1,612 | 214 | 1,060 | Public Supply |
| 606475 | 2022 | 1,550 | — | 1,205 | Public Supply |
| 18745 | 2003 | 1,520 | 460 | 1,356 | Public Supply |
| 168902 | 2004 | 1,518 | 339 | 1,507 | Public Supply |
| 415995 | 2016 | 1,500 | — | 1,500 | Public Supply |
| 569791 | 2021 | 1,488 | 294 | 1,404 | Public Supply |
| 574157 | 2021 | 1,460 | 646 | 1,200 | 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 65-11?
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 Harris County, Matagorda County.