Texas well grid 81-17
A 7.5-minute quadrangle of the Texas state well grid, mostly in Matagorda County and Brazoria County. 125 reports, median depth 480 ft.
125Reports
480 ftMedian depth
30 ftWater at
60 gpmMedian yield
What you will drill through in grid 81-17
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Clay 69, Sand 13, Red Clay 5, Top Soil 3, Soft Gray Clay 3, Sandy Soil 2 |
| 25–50 ft | Clay 10, Sand 9, Clay Red & Tan 2, Clay, Brown And Gray 1, Clay Tan Grey 1, Mix Red, Yellow And Blue Clay 1 |
| 50–100 ft | Sand 32, Clay 29, Red Clay 6, Gray Clay 2, Red Sand 2, Grey Clay 2 |
| 100–200 ft | Clay 47, Sand 43, Red Clay 4, Clay Tan & Red 2, Clay With Sand Streaks 1, Hard Clay, Blue And Gray 1 |
| 200–300 ft | Sand 35, Clay 25, Clay Grey 3, Clay Td 2, Sand, Fine And Medium 1, Coarse Sand 1 |
| 300–500 ft | Sand 60, Clay 55, Clay Td 15, Clay Grey 4, Red Clay 3, Blue Clay 2 |
| 500–1000 ft | Sand 19, Clay 17, Clay Td 9, Sand Grey .012 1, Clay Grey 1, Sand .005 1 |
Who drills here
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 94 | 75.2% | 485 |
| Stock | 11 | 8.8% | 425 |
| Other | 4 | 3.2% | 540 |
| Rig Supply | 3 | 2.4% | 275 |
| Irrigation | 3 | 2.4% | 390 |
| Industrial | 3 | 2.4% | — |
| Public Supply | 2 | 1.6% | 495 |
| Environmental Soil Boring | 2 | 1.6% | — |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 35 | 495 | 30 |
| 2010s | 49 | 434 | 25 |
| 2020s | 41 | 505 | 30 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 482065 | 2018 | 780 | 45 | 80 | Domestic |
| 701462 | 2025 | 760 | 73 | 60 | Domestic |
| 603751 | 2022 | 740 | 53 | — | Domestic |
| 420422 | 2016 | 710 | 53 | 60 | Domestic |
| 701404 | 2025 | 705 | 60 | 80 | Domestic |
| 573745 | 2021 | 705 | 53 | 50 | Domestic |
| 364018 | 2014 | 700 | 53 | 80 | Domestic |
| 37749 | 2003 | 660 | 44 | 15 | Domestic |
| 472439 | 2018 | 645 | 68 | — | Domestic |
| 268200 | 2011 | 645 | 144 | 30 | 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 81-17?
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 Matagorda County, Brazoria County.