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ZIP Code 77365 Water Quality
Texas · 33,694 people served · 14 water systems
F
FailingZIP code 77365 is in Texas and is a small city from a drinking-water-service perspective, with 33,694 people served by 14 EPA-registered public water systems. It corresponds to PORTER.
Within ZIP code 77365, the EPA Safe Drinking Water Information System (SDWIS) records 47 health-based violations during the past five years across 14 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 77365
Water Systems Serving 77365
TOWER WOODS
PWSID: TX1700289
108 served
WESTERN HILLS CRYSTAL SPRINGS WATER
PWSID: TX1700629
330 served
BENNETT WOODS
PWSID: TX1700290
435 served
1485 LIMITED CRYSTAL SPRINGS WATER CO
PWSID: TX1700580
33 served
THE OAKS
PWSID: TX1700626
48 served
COUNTRY WEST
PWSID: TX1700435
1,188 served
CHAPARRAL PLACE WATER SYSTEM
PWSID: TX1700434
135 served
TOWER GLEN ESTATES
PWSID: TX1700433
255 served
TIMBERLAND ESTATES
PWSID: TX1700612
2,886 served
DEER GLEN WATER SYSTEM
PWSID: TX1700322
1,539 served
CRYSTAL SPRINGS WATER COMPANY CHASEWOOD
PWSID: TX1700622
195 served
AUTUMN ACRES WATER SYSTEM
PWSID: TX1700756
129 served
WHITE ROCK
PWSID: TX1700931
25 served
PORTER SPECIAL UTILITY DISTRICT
PWSID: TX1700068
26,388 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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