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ZIP Code 77057 Water Quality
Texas · 103,525 people served · 26 water systems
F
FailingZIP code 77057 is in Texas and is a mid-sized community from a drinking-water-service perspective, with 103,525 people served by 26 EPA-registered public water systems. It corresponds to HOUSTON.
Within ZIP code 77057, the EPA Safe Drinking Water Information System (SDWIS) records 27 health-based violations during the past five years across 26 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
ZIP Code Location
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Cities in ZIP 77057
Water Systems Serving 77057
BRAZORIA COUNTY MUD 2
PWSID: TX0200386
3,567 served
HARRIS COUNTY MUD 86
PWSID: TX1012953
5,397 served
SPENCER ROAD PUD
PWSID: TX1010654
5,607 served
NORTHWOOD MUD 1
PWSID: TX1013404
795 served
GRANT ROAD PUD
PWSID: TX1011991
3,393 served
WOODCREEK MUD
PWSID: TX1011237
3,192 served
WEST HARRIS COUNTY MUD 6
PWSID: TX1011258
3,435 served
WALLER COUNTY ROAD IMPROVEMENT DIST 1
PWSID: TX2370094
1,400 served
LOUETTA ROAD UTILITY DISTRICT
PWSID: TX1010536
1,410 served
NORTHAMPTON MUD
PWSID: TX1010337
12,162 served
FOREST HILLS MUD
PWSID: TX1011252
2,955 served
KINGS MANOR MUD
PWSID: TX1012865
4,377 served
GALVESTON COUNTY WCID 19
PWSID: TX0840028
660 served
BRAZORIA COUNTY MUD 3
PWSID: TX0200560
4,230 served
HARRIS COUNTY MUD 69
PWSID: TX1010600
4,422 served
HARRIS COUNTY MUD 144
PWSID: TX1010923
3,219 served
FIRST COLONY MUD 9
PWSID: TX0790230
7,818 served
PALMER PLANTATION MUD 1
PWSID: TX0790199
2,031 served
HARRIS COUNTY MUD 250
PWSID: TX1012350
930 served
PALMER PLANTATION MUD 2
PWSID: TX0790323
2,559 served
HARRIS COUNTY MUD 62
PWSID: TX1012285
3,519 served
CASTLEWOOD MUD
PWSID: TX1011833
2,505 served
WEST HARRIS COUNTY MUD 2 CHASE
PWSID: TX1011029
6,921 served
WEST HARRIS COUNTY MUD 9
PWSID: TX1011798
5,961 served
BISSONNET MUD
PWSID: TX1010883
8,160 served
GALVESTON COUNTY MUD 12
PWSID: TX0840021
2,900 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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