Texas well grid 81-04

A 7.5-minute quadrangle of the Texas state well grid, mostly in Brazoria County and Matagorda County. 379 reports, median depth 490 ft.

379Reports

490 ftMedian depth

45 ftWater at

60 gpmMedian yield

What you will drill through in grid 81-04

Logged in state well grid 81-04, by depth. The figure is how many wells hit it.
Depth, ft	What was logged there
0–25 ft	Clay 193, Sand 22, Surface Soil 17, Top Soil 14, Soil 8, Clay (Ch) - Reddish Brown, Stiff, High Plasticity, Moist 4
25–50 ft	Sand 47, Clay 12, Red Clay 3, Gray Clay 2, Sand .006 .008 2, Sand Tan .008-.020 2
50–100 ft	Sand 129, Clay 122, Red Clay 7, Clay Td 5, Clay, Red-Brown 4, Sand Red 4
100–200 ft	Clay 119, Sand 107, Red Clay 8, Clay Td 8, Sand .006 7, Sand .006 .008 2
200–300 ft	Clay 97, Sand 70, Sand .006 .008 .010 2, Sand Fine 2, Red Clay 2, Sand-Tan-Fine Sand-Tan-.006-.008 2
300–500 ft	Sand 130, Clay 84, Clay Td 37, Red Clay 5, Sand Fine 5, Sand, Fine 2
500–1000 ft	Sand 64, Clay Td 55, Clay 35, Sand .006 3, Sand .012 3, Clay T.D. 3
1000–5000 ft	Sand 4, Clay 3

Who drills here

Licensed firms in state well grid 81-04, busiest first.
Firm of record	Wells	Median depth, ft	Median yield, gpm	Years
Goolsby Water Well Service LLC	80	505	60	2015–2026
RONNIE GOOLSBY WATER WELL	72	515	40	2002–2015
RONNIE GOOLSBY WATER WELL SERVICE	58	525	50	2002–2014
Finch Water Well	28	525	60	2001–2025
Felder Water Well & Pump Service, LLC	23	465	65	2006–2024
Finch Water Well Service	17	—	60	2004–2008
Brazoria Water Well	9	500	50	2023–2026
Goolsby Water Well	9	540	30	2001–2013
O'Day Drilling Company, Inc.	8	531	200	2003–2022
Envirotech Drilling Services LLC	6	30	—	2019–2024
Professional Service Inc.	6	—	—	2015
GWR Windmills & Water Well Services, LLC	5	520	100	2020–2025
Almeda Water Well Service	4	437	75	2010–2021
Advanced Drilling Systems, Inc.	4	460	—	2019
GOOLSBY W.W.	4	525	50	2011–2014
ANCHOR WATER WELL	4	524	80	2003–2014
Professional Service Ind, Inc.	4	25	—	2014
MEZA WATER WELL SERVICE	3	195	—	2020–2021
Chaffin Water Wells	3	160	110	2015–2020
GOOLSBY WW	3	535	50	2011–2014
MARAL DRILLING	2	485	25	2019–2024
Gotcher Water Well	2	150	115	2018–2023
1st Choice Water Wells	2	540	40	2020
PSI	2	40	—	2016
Felder Water Well	2	251	150	2010–2013

What the wells are for

Purpose, and how deep each went.
Purpose	Wells	Share	Median depth, ft
Domestic	296	78.1%	515
Stock	24	6.3%	165
Monitor	23	6.1%	35
Rig Supply	13	3.4%	156
Public Supply	10	2.6%	305
Industrial	7	1.8%	1,158
Irrigation	3	0.8%	65
Other	2	0.5%	195

By decade drilled.
Decade	Reports	Median depth, ft	Water at, ft
2000s	124	505	42
2010s	164	485	45
2020s	91	490	48

The deepest reports on file

Deepest reports in state well grid 81-04. Column one is the tracking number.
Report	Year	Depth, ft	Water at, ft	Yield, gpm	Purpose
391126	2015	1,208	55	2,650	Industrial
391125	2015	1,208	55	2,650	Industrial
391464	2015	1,158	54	1,850	Industrial
688012	2024	630	37	100	Domestic
488023	2018	630	50	30	Stock
357351	2014	625	45	70	Domestic
568594	2021	615	47	150	Public Supply
94789	2006	605	31	60	Domestic
546735	2020	600	50	50	Domestic
269081	2011	600	45	70	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 81-04?

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 Brazoria County, Matagorda County, Brooks County, Harris County.