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ZIP Code 77079 Water Quality
Texas · 56,661 people served · 13 water systems
D
PoorZIP code 77079 is in Texas and is a mid-sized community from a drinking-water-service perspective, with 56,661 people served by 13 EPA-registered public water systems. It corresponds to HOUSTON.
Within ZIP code 77079, the EPA Safe Drinking Water Information System (SDWIS) records 9 health-based violations during the past five years across 13 water systems serving this postal area. The grade of D reflects the aggregate compliance pattern, not the current daily water quality.
Last updated: 2026-05-18 · Source: EPA SDWIS
ZIP Code Location
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Cities in ZIP 77079
Water Systems Serving 77079
CYPRESSWOOD MHP
PWSID: TX1011112
96 served
ROLLING FORK PUD
PWSID: TX1010357
2,391 served
OAK MANOR MUD
PWSID: TX0200032
537 served
HARRIS COUNTY MUD 180
PWSID: TX1011799
5,892 served
LA CASITA HOMES II
PWSID: TX1010648
75 served
HARRIS COUNTY WCID 133
PWSID: TX1010210
5,109 served
HARRIS COUNTY MUD 119
PWSID: TX1010626
4,758 served
HARRIS COUNTY UD 15
PWSID: TX1011778
3,489 served
FORT BEND COUNTY MUD 49
PWSID: TX0790256
1,080 served
HARRIS COUNTY MUD 127
PWSID: TX1012229
5,247 served
GALVESTON COUNTY WCID 12
PWSID: TX0840031
8,721 served
HARRIS COUNTY MUD 24
PWSID: TX1010572
14,796 served
NORTHWEST HARRIS COUNTY MUD 23
PWSID: TX1011746
4,470 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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