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ZIP Code 84770 Water Quality
Arizona · 108,474 people served · 10 water systems
F
FailingZIP code 84770 is in Arizona and is a mid-sized community from a drinking-water-service perspective, with 108,474 people served by 10 EPA-registered public water systems. It overlaps with 2 communities including ST GEORGE, ST GEORGE CITY.
Within ZIP code 84770, the EPA Safe Drinking Water Information System (SDWIS) records 25 health-based violations during the past five years across 10 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 84770
Water Systems Serving 84770
CHIEF SLEEP EASY TP
PWSID: AZ0408089
124 served
ST GEORGE CITY WATER SYSTEM
PWSID: UTAH27015
105,240 served
PINE VALLEY IRRIGATION CO
PWSID: UTAH27025
50 served
DIAMOND VALLEY ACRES
PWSID: UTAH27065
1,340 served
WASHINGTON COUNTY WCD - QUAIL LAKE
PWSID: UTAH27094
0 served
WASHINGTON COUNTY WCD - SAND HOLLOW
PWSID: UTAH27073
425 served
WASHINGTON COUNTY WCD - COTTAM
PWSID: UTAH27071
130 served
WASHINGTON COUNTY WCD - KAYENTA WATER
PWSID: UTAH27085
0 served
WINCHESTER HILLS WATER CO
PWSID: UTAH27049
950 served
MOUNT AIR SUBDIVISION
PWSID: UTAH18134
215 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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