Texas well grid 66-56
A 7.5-minute quadrangle of the Texas state well grid, mostly in Wharton County and Waller County. 203 reports, median depth 150 ft.
203Reports
150 ftMedian depth
36 ftWater at
60 gpmMedian yield
What you will drill through in grid 66-56
| Depth, ft | What was logged there |
|---|---|
| 0–25 ft | Clay 104, Sand 55, Top Soil 36, Red Clay 28, Sandy Clay 22, Topsoil 19 |
| 25–50 ft | Sand 47, Clay 35, Red Clay 13, Med Sand 6, Coarse Sand 4, Clay Red 4 |
| 50–100 ft | Clay 67, Sand 60, Red Clay 12, Coarse Sand 10, Fine To Coarse Sand 8, Brown Clay 3 |
| 100–200 ft | Clay 66, Sand 57, Red Clay 13, Sand/Gravel 3, Blue Clay 5, Sand Clay 3 |
| 200–300 ft | Sand 43, Clay 32, Red Clay 5, Sand .010 1, Coarse Sand 3, Sand Course 1 |
| 300–500 ft | Clay 22, Sand 19, Sandy Gravel 1, Clay Sandy 1, Sand & Clay 2, Red Clay 2 |
| 500–1000 ft | Clay 5, Sand 2, Sand .014 Hard Tight 1, Sand Hard Tight 1, Sand & Pea Gravel 1 |
Who drills here
| Firm of record | Wells | Median depth, ft | Median yield, gpm | Years |
|---|---|---|---|---|
| Kight Water Well Service | 23 | 103 | 25 | 2021–2024 |
| Talon/LPE | 17 | 64 | — | 2024 |
| Goolsby Water Well Service LLC | 14 | 320 | 70 | 2015–2025 |
| G.W.Davis Water Well Co LLC | 11 | 222 | 40 | 2016–2022 |
| 1st Choice Water Wells | 10 | 230 | 40 | 2013–2021 |
| Chaffin Water Wells | 9 | 260 | 60 | 2014–2022 |
| O'Day Drilling Company, Inc. | 8 | 350 | 700 | 2004–2015 |
| Hydro Resources Mid Continent Inc. | 7 | 85 | 48 | 2020 |
| Chaffin Water Well Service | 6 | 540 | 80 | 2025 |
| Cady's Water wells | 6 | 140 | 75 | 2011–2025 |
| Burns Water Well Service | 5 | 94 | 25 | 2008–2009 |
| Texas Southern Drilling | 4 | 250 | 80 | 2021–2025 |
| Burleson Services, Inc. | 4 | 140 | 100 | 2004–2005 |
| Spradley Water Well | 4 | 260 | — | 2004 |
| Gotcher Water Well | 3 | 258 | 42 | 2015–2020 |
| INDEPENDENT WATER WELL SERVICE | 3 | 257 | 100 | 2018–2020 |
| Joe Ferguson Water Well Drilling, Inc. | 3 | 110 | — | 2011–2018 |
| Mesecke Water Well | 3 | 295 | — | 2014–2015 |
| Ellis Drilling and Service Co. | 3 | 360 | 50 | 2006–2015 |
| Fugro Consultants | 3 | 25 | — | 2014 |
| CHANDLER DRILLING INC | 3 | 184 | 100 | 2008–2014 |
| Ellis Drilling & Service Co. | 3 | 170 | 20 | 2005–2013 |
| Ondrey Water Well Service | 3 | 255 | — | 2009–2012 |
| J & S Water Wells | 3 | — | 100 | 2007–2010 |
| Joe Ferguson Drilling, Inc. | 3 | 260 | — | 2004–2005 |
What the wells are for
| Purpose | Wells | Share | Median depth, ft |
|---|---|---|---|
| Domestic | 105 | 51.7% | 200 |
| Monitor | 21 | 10.3% | 64 |
| Stock | 17 | 8.4% | 140 |
| Industrial | 17 | 8.4% | 140 |
| Irrigation | 15 | 7.4% | 407 |
| Rig Supply | 15 | 7.4% | 165 |
| De-watering | 8 | 3.9% | 78 |
| Other | 4 | 2.0% | 330 |
| Decade | Reports | Median depth, ft | Water at, ft |
|---|---|---|---|
| 2000s | 41 | 177 | 35 |
| 2010s | 80 | 162 | 36 |
| 2020s | 82 | 140 | 38 |
The deepest reports on file
| Report | Year | Depth, ft | Water at, ft | Yield, gpm | Purpose |
|---|---|---|---|---|---|
| 707062 | 2025 | 700 | 70 | 55 | Rig Supply |
| 707061 | 2025 | 640 | 70 | 80 | Rig Supply |
| 712582 | 2025 | 540 | 93 | — | Irrigation |
| 712576 | 2025 | 540 | — | — | Irrigation |
| 706069 | 2025 | 540 | 70 | 80 | Rig Supply |
| 411320 | 2015 | 510 | 94 | 60 | Stock |
| 290751 | 2012 | 505 | 76 | 2,000 | Irrigation |
| 444461 | 2017 | 500 | 70 | 70 | Domestic |
| 384936 | 2014 | 500 | 65 | — | Domestic |
| 573269 | 2021 | 445 | 70 | 20 | 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 66-56?
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 Wharton County, Waller County.