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ZIP Code 77010 Water Quality
Texas · 185,814 people served · 31 water systems
A
ExcellentZIP code 77010 is in Texas and is a mid-sized community from a drinking-water-service perspective, with 185,814 people served by 31 EPA-registered public water systems. It corresponds to HOUSTON.
Within ZIP code 77010, the EPA Safe Drinking Water Information System (SDWIS) records no health-based Maximum Contaminant Level (MCL) exceedances during the past five years across the 31 water systems serving this postal area.
Last updated: 2026-05-18 · Source: EPA SDWIS
ZIP Code Location
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Cities in ZIP 77010
Water Systems Serving 77010
HARRIS COUNTY MUD 354
PWSID: TX1012965
6,588 served
HARRIS COUNTY MUD 189
PWSID: TX1011809
6,906 served
CYPRESS HILL MUD 1
PWSID: TX1012378
11,052 served
HARRIS COUNTY MUD 153
PWSID: TX1012133
11,781 served
HARRIS COUNTY MUD 154
PWSID: TX1011642
8,289 served
WESTON MUD
PWSID: TX1010634
6,699 served
NORTH GREEN MUD
PWSID: TX1010331
4,941 served
HARRIS COUNTY MUD 151
PWSID: TX1010905
7,464 served
HARRIS COUNTY MUD 136
PWSID: TX1010599
3,201 served
HARRIS COUNTY MUD 322
PWSID: TX1012542
4,266 served
HARRIS COUNTY MUD 55 HERITAGE PARK
PWSID: TX1010678
16,392 served
HARRIS COUNTY MUD 132
PWSID: TX1010616
8,682 served
MONTGOMERY COUNTY UD 3
PWSID: TX1700116
3,825 served
HARRIS COUNTY MUD 109
PWSID: TX1010620
9,501 served
HARRIS COUNTY FWSD 1A
PWSID: TX1010082
2,640 served
FORT BEND COUNTY MUD 131
PWSID: TX0790450
3,114 served
HARRIS COUNTY MUD 433
PWSID: TX1013350
6,651 served
HARRIS COUNTY UD 14
PWSID: TX1011781
2,769 served
PARKWAY UTILITY DISTRICT
PWSID: TX1010750
7,323 served
HARRIS COUNTY MUD 397
PWSID: TX1013295
4,413 served
HARRIS COUNTY WCID 89
PWSID: TX1012370
9,033 served
HARRIS COUNTY MUD 186
PWSID: TX1012214
4,005 served
HARRIS COUNTY MUD 163
PWSID: TX1012213
5,487 served
HARRIS COUNTY MUD 396
PWSID: TX1013338
3,201 served
HARRIS COUNTY WCID 156
PWSID: TX1013147
1,116 served
FORT BEND COUNTY MUD 81 WESTON LAKES
PWSID: TX0790268
3,855 served
HARRIS COUNTY MUD 208
PWSID: TX1012419
3,642 served
BEECHNUT MUD
PWSID: TX1012082
2,451 served
HARRIS COUNTY MUD 162
PWSID: TX1011612
2,661 served
HARRIS COUNTY WCID 84
PWSID: TX1010113
6,552 served
HARRIS COUNTY MUD 152
PWSID: TX1010902
7,314 served
About ZIP-code water data
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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