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ZIP Code 85635 Water Quality
Arizona · 43,763 people served · 11 water systems
F
FailingZIP code 85635 is in Arizona and is a small city from a drinking-water-service perspective, with 43,763 people served by 11 EPA-registered public water systems. It corresponds to SIERRA VISTA.
Within ZIP code 85635, the EPA Safe Drinking Water Information System (SDWIS) records 16 health-based violations during the past five years across 11 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 85635
Water Systems Serving 85635
NACO ESTATES
PWSID: AZ0402345
75 served
SIERRA VISTA MH VILLAGE
PWSID: AZ0402101
328 served
DESERT WINDS MOBILE PARK
PWSID: AZ0402353
34 served
SULGER WATER COMPANY 2
PWSID: AZ0402120
67 served
LIBERTY WATER RIO RICO
PWSID: AZ0412011
17,960 served
BELLA VISTA WATER SOUTH
PWSID: AZ0402007
2,178 served
BELLA VISTA CITY WATER SYSTEM
PWSID: AZ0402010
20,045 served
SOUTHERN SUNRISE WC COCHISE HORSESHOE
PWSID: AZ0402011
1,588 served
NORTHERN SUNRISE WC CORONADO
PWSID: AZ0402013
553 served
SOUTHERN SUNRISE WC MIRACLE VALLEY
PWSID: AZ0402023
620 served
NORTHERN SUNRISE WC MUSTANG CRYSTAL
PWSID: AZ0402054
315 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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