Drinking Water Systems in HOUSTON, Texas
50 water systems are reported for this city, with a combined service population of 5,960,345. The systems have 66 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving HOUSTON
WHITE OAK MANOR MOBILE HOME PARK
630 served10 historical records
A
HARRIS COUNTY MUD 354
6,588 served0 historical records
A
CYPRESSWOOD MHP
96 served17 historical records2 recent
B
FORT BEND COUNTY MUD 220
1,812 served0 historical records
A
MONTGOMERY COUNTY MUD 24
2,613 served1 historical record
A
FORT BEND COUNTY MUD 189
624 served0 historical records
A
DENTON COUNTY FWSD 8-B
3,090 served0 historical records
A
NORTHWEST HARRIS COUNTY MUD 29
3,000 served1 historical record
A
MONTGOMERY COUNTY MUD 141
978 served0 historical records
A
HARRIS COUNTY MUD 104
4,854 served1 historical record
A
MONTGOMERY COUNTY UD 4
4,980 served1 historical record
A
MONTGOMERY COUNTY MUD 98
2,766 served0 historical records
A
HARRIS COUNTY MUD 33
5,181 served1 historical record
A
SOUTHERN MONTGOMERY COUNTY MUD
13,372 served1 historical record
A
FORT BEND COUNTY MUD 58
10,629 served0 historical records
A
FORT BEND COUNTY MUD 134D
5,796 served0 historical records
A
SEQUOIA IMPROVEMENT DISTRICT
1,038 served0 historical records
A
BARKER CYPRESS MUD
8,976 served1 historical record
A
HARRIS COUNTY MUD 370
4,452 served0 historical records
A
CHAMPION LAKES ESTATES WATER PLANT
174 served1 historical record
A
BURLESON COUNTY MUD 1
480 served20 historical records2 recent
C
LAKE CONROE HILLS MUD
2,058 served1 historical record
A
LA CASITA HOMES II
75 served19 historical records2 recent
C
CYPRESSWOOD UTILITY DISTRICT
4,305 served1 historical record
A
HARRIS COUNTY WCID 161
3,129 served0 historical records
A
HARRIS COUNTY MUD 211
405 served1 historical record
A
HARRIS COUNTY WCID 110
9,807 served1 historical record
A
SOUTHERN WATER
3,933 served1 historical record
A
RAMBLE RIDGE SUBDIVISION
411 served62 historical records60 recent
F
SEVEN HILLS RANCH
414 served0 historical records
A
NORTH GREEN MUD
4,941 served1 historical record
A
ALDINE GARDENS MOBILE HOME PARK
128 served1 historical record
A
HARRIS-FORT BEND COUNTIES MUD 3
9,297 served1 historical record
A
NORTHAMPTON MUD
12,162 served1 historical record
A
JACKRABBIT ROAD PUD
8,346 served1 historical record
A
BOULAIS MOBILE HOME PARK
84 served14 historical records
A
HARRIS COUNTY MUD 136
3,201 served1 historical record
A
SAGEMEADOW UTILITY DISTRICT
6,975 served2 historical records
A
SEDONA LAKES MUD 1
1,977 served0 historical records
A
GATEWAY DEVELOPMENT
108 served0 historical records
A
NEWPORT MUD
13,191 served3 historical records
A
EAST MONTGOMERY COUNTY MUD 3
2,250 served0 historical records
A
MAYDE CREEK MUD
5,301 served1 historical record
A
HARRIS COUNTY MUD 421
1,269 served0 historical records
A
FORT BEND COUNTY MUD 119
5,088 served0 historical records
A
HARRIS COUNTY MUD 5
5,487 served0 historical records
A
HARRIS COUNTY WCID 74
5,886 served1 historical record
A
HARRIS COUNTY MUD 148 KINGSLAKE
5,448 served7 historical records
A
HARRIS COUNTY MUD 372
2,619 served0 historical records
A
MONTGOMERY COUNTY MUD 42
630 served1 historical record
A
EPA Contaminant Categories in Historical Violation Records
Chlorine202 records
Coliform (TCR)167 records
Public Notice129 records
Consumer Confidence Rule76 records
Lead and Copper Rule63 records
Gross Alpha50 records
Arsenic49 records
Radium-22639 records
Long Term 2 Enhanced Surface Water Treatment Rule25 records
Nitrate25 records
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.