Texas well grid 65-18

A 7.5-minute quadrangle of the Texas state well grid, mostly in Fort Bend County and Harris County. 805 reports, median depth 303 ft.

805Reports

303 ftMedian depth

92 ftWater at

75 gpmMedian yield

What you will drill through in grid 65-18

Logged in state well grid 65-18, by depth. The figure is how many wells hit it.
Depth, ft	What was logged there
0–25 ft	Clay 220, Red Clay 155, Top Soil 120, Sand 108, Topsoil 77, Soil 49
25–50 ft	Sand 113, Clay 47, Red Clay 32, Coarse Sand 23, Gravel 19, Clay, Sand 14
50–100 ft	Clay 155, Sand 124, Red Clay 112, Gravel 31, Coarse Sand 30, Sandstone 22
100–200 ft	Sand 260, Clay 169, Coarse Sand 77, White Shale 66, Red Clay 72, Coarse Sand And Sandstone 35
200–300 ft	Sand 279, Clay 164, Coarse Sand 57, White Shale 51, Coarse Sand End Of Hole 50, Red Clay 36
300–500 ft	Sand 91, Clay 38, Clay-Red 14, Rock 10, Coarse Sand End Of Hole 11, Shale 7
500–1000 ft	Sand 27, Clay 21, Shale 5, Blue Clay 4, Sandy Clay 5, Clay (Gray) 3
1000–5000 ft	Sand 17, Clay 10, Clay (Gray) 3, Sandy Clay 4, Blue Clay 4, Sand W/Clay 3

Who drills here

Licensed firms in state well grid 65-18, busiest first.
Firm of record	Wells	Median depth, ft	Median yield, gpm	Years
Geophysical Drilling, Inc.	119	320	80	2003–2022
Mahler Water Well Service	101	305	75	2003–2013
Almeda Water Well Service	54	353	100	2003–2025
Ricky Bonds Water Wells	50	285	80	2003–2026
Ondrey Water Well Service	44	305	—	2005–2023
Scott Drilling Inc.	35	300	50	2003–2025
Mesecke Water Well	30	300	18	2001–2019
NORTHWEST WATER WELLS	27	270	80	2002–2010
AQUA STAR LLC	21	305	50	2011–2025
Envirotech Drilling Services LLC	19	30	—	2013–2021
Alsay Incorporated	16	1,330	1,500	2002–2024
J&S WATER WELLS	15	510	130	2003–2026
Bussell & Sons LLC	15	337	100	2004–2025
1st Choice Water Wells	14	320	50	2014–2021
O'Day Drilling Company, Inc.	14	356	80	2003–2021
G.W.Davis Water Well Co LLC	13	310	50	2015–2026
Soltek LLC	11	25	—	2016–2022
Alpine Field Services	9	35	—	2011–2014
Chaffin Water Well Service	8	320	85	2004–2026
Front Range Drilling, Inc.	8	20	—	2014
Friedel Drilling Company	8	1,610	1,600	2002–2009
Felder Water Well & Pump Service, LLC	7	600	320	2011–2023
Ballard Water Well Co. LLC	6	260	50	2014–2026
Johnstons Water Well Drilling	6	470	325	2016–2023
Mathers Environmental Drilling Inc.	6	45	—	2017–2022

What the wells are for

Purpose, and how deep each went.
Purpose	Wells	Share	Median depth, ft
Domestic	543	67.5%	305
Public Supply	67	8.3%	700
Irrigation	57	7.1%	358
Monitor	46	5.7%	30
Environmental Soil Boring	22	2.7%	20
Other	18	2.2%	300
Rig Supply	17	2.1%	250
Industrial	17	2.1%	315

By decade drilled.
Decade	Reports	Median depth, ft	Water at, ft
2000s	276	305	94
2010s	367	300	92
2020s	162	310	90

The deepest reports on file

Deepest reports in state well grid 65-18. Column one is the tracking number.
Report	Year	Depth, ft	Water at, ft	Yield, gpm	Purpose
44658	2004	1,820	264	1,500	Public Supply
93372	2005	1,800	290	1,600	Public Supply
147898	2008	1,750	292	1,700	Public Supply
60443	2004	1,610	278	1,030	Public Supply
56939	2005	1,570	250	1,500	Public Supply
125230	2007	1,540	295	1,700	Public Supply
104182	2006	1,506	296	1,303	Public Supply
17143	2002	1,500	279	1,613	Public Supply
11890	2002	1,466	270	1,600	Public Supply
727452	2026	1,450	276	1,511	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 65-18?

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 Fort Bend County, Harris County, Waller County, Matagorda County.