texas-water-wells

Texas well grid 78-04

A 7.5-minute quadrangle of the Texas state well grid, mostly in Atascosa County and Wilson County. 202 reports, median depth 420 ft.

202Reports
420 ftMedian depth
134 ftWater at
50 gpmMedian yield

What you will drill through in grid 78-04

Logged in state well grid 78-04, by depth. The figure is how many wells hit it.
Depth, ftWhat was logged there
0–25 ftTop Soil 41, Clay 24, Red Clay 19, Surface 18, Sand 12, Tan Clay 13
25–50 ftSand With Rock Strks 6, Shale 6, Clay With Sand/Rock Strks 5, Gray Clay 5, Clay 4, Clay With Rock Strks 4
50–100 ftShale 14, Sand 14, Rock 7, Grey Clay/Shale With Rock Strks 10, Sand With Rock Strks 8, Grey Clay/Shale 7
100–200 ftSand 41, Rock 24, Shale 24, Grey Clay/Shale 15, Sand With Rock Strks 17, Grey Clay/Shale With Rock Strks 13
200–300 ftSand 49, Shale 31, Rock 12, Grey Clay/Shale 12, Sand With Rock Strks 13, Gray Clay/Shale 7
300–500 ftSand 59, Shale 32, Rock 15, Clay/Shale 13, Sandy Shale 10, Gray Sand 9
500–1000 ftSand 13, Shale 10, Rock 9, Sandy Shale 7, Sandy 2, Clay 4
1000–5000 ftSand 6, Sand, Shale 1, Shale 4, Sandy Shale 4, Carrizo Sand 3, Sand/Lignite 1

Who drills here

Licensed firms in state well grid 78-04, busiest first.
Firm of recordWellsMedian depth, ftMedian yield, gpmYears
Busselman Water Wells, LLC28317162025
Vortex Drilling, Inc.26202007–2016
Thomas Moy and Sons16500602004–2019
Moy's Water Well Drilling & Services of Texas12445802018–2024
B&K Water Well Drilling12360352012–2023
Water Well Services, Inc.9450802008–2018
M & C WATERWELL DRILLING9365752005–2014
Thomas Moy and Sons Water Well Drilling Inc.8580602014–2026
DRT Services, LLC8500602012–2025
Thomas Moy and Son's7520602004–2018
Thomas Moy & Sons6520602005–2008
Texas Southern Drilling5350452021–2022
J B Drilling5407552009–2013
STEVENS DRILLING & WATER WELL SERVICE4550752017–2025
Edward Pawlik & Son Well Service45301002005–2007
McKinley Drilling31,5651,0002025–2026
BEST DRILLING SERVICES, INC.3322016
EDWARD PAWLIK & SON W S34651002011–2012
R&K Water Well Drilling2640602025
Alamo Water Wells21,6002002024
Moy's Water Well Services2435452019–2023
Underground Water Resources, LLC2520202022–2023
Wel-Mat Drilling LLP2352017
Thomas Moy & Sons Water Well Drilling2480602007
HERBOLD BROTHERS2200202006

What the wells are for

Purpose, and how deep each went.
PurposeWellsShareMedian depth, ft
Domestic12561.9%435
Stock2411.9%420
Monitor199.4%25
Irrigation136.4%690
Environmental Soil Boring125.9%20
Public Supply52.5%2,020
Industrial31.5%571
Rig Supply10.5%600
By decade drilled.
DecadeReportsMedian depth, ftWater at, ft
2000s47375104
2010s81440116
2020s74364155

The deepest reports on file

Deepest reports in state well grid 78-04. Column one is the tracking number.
ReportYearDepth, ftWater at, ftYield, gpmPurpose
12335520072,0501401,158Public Supply
70984020252,020Public Supply
46269520172,018185Irrigation
67103720241,9201671,808Public Supply
35970920131,7001651,500Public Supply
71436520251,6303251,000Irrigation
67860720241,600100200Irrigation
72725820261,5652491,000Irrigation
71436620251,475122500Irrigation
13646720081,4141241,000Irrigation

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 78-04?

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 Atascosa County, Wilson County.

Grids with a comparable number of reports