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ZIP Code 77098 Water Quality
Texas · 63,463 people served · 15 water systems
A
ExcellentZIP code 77098 is in Texas and is a mid-sized community from a drinking-water-service perspective, with 63,463 people served by 15 EPA-registered public water systems. It corresponds to HOUSTON.
Within ZIP code 77098, the EPA Safe Drinking Water Information System (SDWIS) records no health-based Maximum Contaminant Level (MCL) exceedances during the past five years across the 15 water systems serving this postal area.
Last updated: 2026-05-18 · Source: EPA SDWIS
ZIP Code Location
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Cities in ZIP 77098
Water Systems Serving 77098
HARRIS COUNTY MUD 286
PWSID: TX1012532
879 served
HARRIS COUNTY MUD 5
PWSID: TX1010500
5,487 served
WEST PARK MUD
PWSID: TX1011930
8,106 served
HARRIS COUNTY MUD 211
PWSID: TX1012145
405 served
HARRIS COUNTY MUD 61
PWSID: TX1010721
2,016 served
HARRIS COUNTY UD 16
PWSID: TX1013156
6,063 served
EAST MONTGOMERY COUNTY MUD 3
PWSID: TX1700705
2,250 served
EAST MONTGOMERY COUNTY MUD 4
PWSID: TX1700741
1,500 served
POSTWOOD MUD
PWSID: TX1010631
3,747 served
MEMORIAL POINT UTILITIES DISTRICT
PWSID: TX1870030
1,285 served
ENCANTO REAL UTILITY DISTRICT
PWSID: TX1010687
3,717 served
HARRIS COUNTY MUD 401
PWSID: TX1013289
3,750 served
HARRIS COUNTY MUD 233
PWSID: TX1012498
390 served
CNP UTILITY DISTRICT
PWSID: TX1010429
14,718 served
HARRIS COUNTY WCID 119
PWSID: TX1010509
9,150 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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