Apr 15, 2026 · 7 min read
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Texas · 232,577 people served · 62 water systems
ZIP code 77046 is in Texas and is a mid-sized community from a drinking-water-service perspective, with 232,577 people served by 62 EPA-registered public water systems. It corresponds to HOUSTON.
Within ZIP code 77046, the EPA Safe Drinking Water Information System (SDWIS) records 39 health-based violations during the past five years across 62 water systems serving this postal area. The grade of F reflects the aggregate compliance pattern, not the current daily water quality.
Last updated: 2026-05-18 · Source: EPA SDWIS
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HARRIS COUNTY MUD 11
PWSID: TX1010426
3,645 served
HARRIS COUNTY MUD 46
PWSID: TX1010903
5,418 served
NORTH MISSION GLEN MUD
PWSID: TX0790174
8,730 served
MILLS ROAD MUD
PWSID: TX1011107
6,717 served
LOUETTA NORTH PUD
PWSID: TX1011870
4,836 served
ROLLING CREEK UTILITY DISTRICT
PWSID: TX1012877
5,388 served
CHELFORD CITY MUD
PWSID: TX1010782
8,917 served
MONTGOMERY COUNTY MUD 139
PWSID: TX1700832
5,523 served
FORT BEND COUNTY MUD 134A
PWSID: TX0790477
0 served
FULSHEAR MUD 3A
PWSID: TX0790560
5,421 served
NORTHWEST HARRIS COUNTY MUD 21
PWSID: TX1011744
2,493 served
LAKE MUD
PWSID: TX1011741
6,048 served
HARRIS COUNTY MUD 565
PWSID: TX1013663
45 served
CHIMNEY HILL MUD
PWSID: TX1010910
5,409 served
CHARTERWOOD MUD
PWSID: TX1010632
5,832 served
MONTGOMERY COUNTY UD 4
PWSID: TX1700286
4,980 served
NORTHWEST HARRIS COUNTY MUD 29
PWSID: TX1012293
3,000 served
FORT BEND COUNTY MUD 134D
PWSID: TX0790562
105 served
HARRIS COUNTY MUD 102
PWSID: TX1010503
10,401 served
BIG OAKS MUD
PWSID: TX0790332
6,450 served
LUCE BAYOU PUD
PWSID: TX1010378
1,083 served
MONTGOMERY COUNTY MUD 112
PWSID: TX1700762
5,454 served
EAST MONTGOMERY COUNTY MUD 6
PWSID: TX1700753
3,939 served
FORT BEND COUNTY MUD 222
PWSID: TX0790607
3,582 served
FORT BEND COUNTY MUD 134E
PWSID: TX0790574
2,733 served
CINCO MUD 8
PWSID: TX0790324
5,613 served
FORT BEND COUNTY MUD 188
PWSID: TX0790614
54 served
HARRIS COUNTY MUD 213-A
PWSID: TX1013695
1,926 served
NORTHGATE CROSSING MUD 2
PWSID: TX1013078
3,753 served
BLAKETREE MUD 1
PWSID: TX1700784
336 served
MONTGOMERY COUNTY MUD 16 WHITE OAK PLANT
PWSID: TX1700164
627 served
FORT BEND COUNTY WCID 8
PWSID: TX0790479
126 served
HARRIS COUNTY MUD 578
PWSID: TX1013764
576 served
MONTGOMERY COUNTY UD 2
PWSID: TX1700115
3,381 served
LAGO BELLO MUD 1A
PWSID: TX1013763
297 served
MONTGOMERY COUNTY MUD 111
PWSID: TX1700883
2,502 served
HARRIS COUNTY MUD 465
PWSID: TX1013674
1,026 served
BEAVER CREEK WCID 1
PWSID: TX0260052
1,407 served
FORT BEND COUNTY MUD 182
PWSID: TX0790500
10,498 served
BRAZORIA - FORT BEND COUNTIES MUD 3
PWSID: TX0790597
4,149 served
EAST MONTGOMERY COUNTY MUD 5
PWSID: TX1700829
0 served
HARRIS COUNTY WCID 92
PWSID: TX1010124
4,752 served
FORT BEND COUNTY MUD 246
PWSID: TX0790609
45 served
GRAND MISSION MUD 2
PWSID: TX0790449
6,285 served
EAST MONTGOMERY COUNTY MUD 7
PWSID: TX1700881
4,035 served
EL DORADO UTILITY DISTRICT
PWSID: TX1010471
3,591 served
OAKMONT PUD
PWSID: TX1012981
3,450 served
TERRANOVA WEST MUD
PWSID: TX1011226
3,120 served
NORTHWEST HARRIS COUNTY MUD 36
PWSID: TX1012848
3,648 served
HEATHERLOCH MUD
PWSID: TX1010548
6,612 served
Postal-code level water quality data is built up from the underlying water systems — multiple ZIPs may share a single utility, and a single ZIP can span multiple utilities. For property-level information, contact the specific utility serving your address. EPA data on this page was last refreshed on 2026-05-18.
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