Texas well grid 66-01

A 7.5-minute quadrangle of the Texas state well grid, mostly in Fayette County and Victoria County. 238 reports, median depth 220 ft.

238Reports

220 ftMedian depth

45 ftWater at

60 gpmMedian yield

What you will drill through in grid 66-01

Logged in state well grid 66-01, by depth. The figure is how many wells hit it.
Depth, ft	What was logged there
0–25 ft	Gravel 40, Clay 26, Red Clay 18, Sand 15, Brown Clay 15, Shale 15
25–50 ft	Gray Clay 25, Gravel 16, Clay 9, Sand 8, Shale 8, Brown Clay 5
50–100 ft	Sand 18, Gray Clay 18, Blue Clay 7, Shale 6, Lignite 5, Gray Sand 4
100–200 ft	Sand 24, Gray Clay 22, Shale 10, Clay 8, Gray Sand & Layered Rock 8, Rock 8
200–300 ft	Sand 16, Gray Clay 13, Gray Sandy Clay 9, Clay 7, Gray Sand 7, Gray Sand & Layered Rock 6
300–500 ft	Sand 11, Gray Clay 11, Hard Clay 7, Gray Sand & Layered Rock 3, Shale 5, Clay 4
500–1000 ft	Clay 3, Sand 2, Gray Clay 3, Fine Gray Sand 1, Sand & Rock 1, Gray Shale 1
1000–5000 ft	Gray Sand 1, Gray Clay 1, Gray Sandy Clay 1

Who drills here

Licensed firms in state well grid 66-01, busiest first.
Firm of record	Wells	Median depth, ft	Median yield, gpm	Years
Vortex Drilling, Inc.	68	30	—	2009–2024
Maresh Drilling Co., Inc.	29	250	60	2002–2025
Richter Well Drilling, Inc.	17	360	70	2003–2018
WASHINGTON CO WATER WELL DRILLING	13	182	60	2006–2025
J&S WATER WELLS	13	450	140	2003–2020
Neuendorff's Water Well Svc., Inc.	8	100	45	2004–2013
Jimmy's Well Service	7	42	30	2010–2025
BEST DRILLING SERVICES, INC.	7	17	—	2004–2017
Neuendorff's Water Well Service, Inc.	6	235	60	2022–2026
Diggs Drilling Co Inc	6	250	20	2008–2016
Mathers Environmental Drilling Inc.	6	50	—	2006–2012
W.E.S.T. Drilling	5	10	—	2000
Cobra Water Well Drilling, LLC.	4	280	25	2015–2023
Jackson Water Well	4	200	60	2013–2022
Wel-Mat Drilling LLP	4	—	—	2013
Vrana Well Service Inc.	3	245	50	2007–2012
Vortex Drilling Partners, LP	2	30	—	2019
City Survey	2	30	—	2019
Brien Water Wells	2	80	—	2016
Washington Cnty Water Well Dril	2	164	30	2014
Alsay Incorporated	2	665	85	2007–2011
J D Diggs Drilling Co Inc	2	440	50	2009–2010
Brown's Water Well	2	465	7	2008
Fleck Water Well Drilling & Service	2	264	22	2008
Busselman Water Wells, LLC	1	155	20	2026

What the wells are for

Purpose, and how deep each went.
Purpose	Wells	Share	Median depth, ft
Domestic	102	42.9%	240
Monitor	73	30.7%	30
Environmental Soil Boring	23	9.7%	10
Irrigation	11	4.6%	390
Stock	9	3.8%	385
Industrial	9	3.8%	430
Test Well	6	2.5%	40
Rig Supply	2	0.8%	430

By decade drilled.
Decade	Reports	Median depth, ft	Water at, ft
2000s	56	225	40
2010s	151	182	40
2020s	31	240	70

The deepest reports on file

Deepest reports in state well grid 66-01. Column one is the tracking number.
Report	Year	Depth, ft	Water at, ft	Yield, gpm	Purpose
555186	2020	1,100	100	310	Fracking Supply
364198	2014	1,005	24	400	Irrigation
556530	2020	850	5	250	Irrigation
258760	2011	665	118	85	Irrigation
70612	2004	590	45	140	Industrial
542366	2020	580	70	90	Domestic
288353	2012	540	125	90	Domestic
510007	2019	520	90	60	Stock
448754	2017	480	103	70	Domestic
414969	2016	480	293	35	Irrigation

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 66-01?

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, Victoria County, Colorado County.