PFAS in Arizona Water
Based on EPA UCMR 5 testing of 57 public water systems in Arizona.
See Arizona on the national heatmap57
Systems Tested
57
With PFAS Detected
25
Above EPA Limits
44%
Exceed MCL
Most Commonly Detected PFAS in Arizona
Systems with detections · EPA UCMR 5 (2023–2025)
PFBS 40 systems
PFPeA 35 systems
PFHxA 32 systems
PFHxS 26 systems
PFBA 25 systems
PFOS 21 systems
Check your Arizona ZIP code
Get specific results for your neighborhood's water utility.
Water Systems in Arizona (57)
Click any row to see ZIP-level details| Water System | PWSID | PFAS Detected | Above MCL | Risk |
|---|---|---|---|---|
| PAYSON TOWN OF Groundwater | AZ0404032 | 9 | 3 | High Risk |
| TEMPE CITY OF Groundwater | AZ0407100 | 9 | 3 | High Risk |
| LIBERTY WATER LPSCO Groundwater | AZ0407046 | 8 | 3 | High Risk |
| LIBERTY WATER RIO RICO Groundwater | AZ0412011 | 7 | 3 | High Risk |
| US ARMY FORT HUACHUCA Groundwater | AZ0402078 | 6 | 3 | High Risk |
| MARANA MUNICIPAL - MARANA Groundwater | AZ0410150 | 6 | 3 | High Risk |
| ARIZONA WATER CO - SEDONA Groundwater | AZ0403003 | 8 | 2 | High Risk |
| City of Avondale Groundwater | AZ0407088 | 8 | 2 | High Risk |
| USAF LUKE AIR FORCE BASE Groundwater | AZ0407305 | 7 | 2 | High Risk |
| BIG PARK WATER COMPANY Groundwater | AZ0413012 | 7 | 2 | High Risk |
| PRESCOTT CITY OF Groundwater | AZ0413045 | 7 | 2 | High Risk |
| GILBERT, TOWN OF Groundwater | AZ0407092 | 6 | 2 | High Risk |
| GOODYEAR WATER DEPARTMENT MX | AZ0407094 | 6 | 2 | High Risk |
| EPCOR WATER - MOHAVE Groundwater | AZ0408032 | 6 | 2 | High Risk |
| FLOWING WELLS IRRIGATION DISTRICT Groundwater | AZ0410051 | 6 | 2 | High Risk |
| PONDEROSA PARK DWID Groundwater | AZ0413044 | 6 | 2 | High Risk |
| GLOBE CITY OF Groundwater | AZ0404008 | 5 | 2 | High Risk |
| MARANA MUNICIPAL - HARTMAN VISTAS Groundwater | AZ0410329 | 2 | 2 | High Risk |
| ARIZONA WATER CO - MIAMI CLAYPOOL Groundwater | AZ0404002 | 6 | 1 | High Risk |
| JOHNSON UTIL - ANTHEM AT MERRILL RANCH Groundwater | AZ0411136 | 6 | 1 | High Risk |
| ARIZONA WATER CO - BISBEE Groundwater | AZ0402001 | 5 | 1 | High Risk |
| EPCOR WATER - NORTH MOHAVE VALLEY Groundwater | AZ0408068 | 5 | 1 | High Risk |
| PEORIA CITY OF Groundwater | AZ0407096 | 3 | 1 | High Risk |
| FARMERS WATER CO SANTA RITA SPRINGS Groundwater | AZ0410213 | 3 | 1 | High Risk |
| PHOENIX INTERNATIONAL RACEWAY Groundwater | AZ0407406 | 1 | 1 | High Risk |
| ARIZONA WATER CO - PINAL VALLEY Groundwater | AZ0411009 | 6 | 0 | Moderate |
| VALLEY UTILITIES WATER COMPANY GLENDALE Groundwater | AZ0407079 | 4 | 0 | Low Level |
| CHANDLER CITY OF Groundwater | AZ0407090 | 4 | 0 | Low Level |
| EL MIRAGE CITY OF Groundwater | AZ0407091 | 4 | 0 | Low Level |
| MARANA MUNICIPAL - PICTURE ROCKS Groundwater | AZ0410092 | 4 | 0 | Low Level |
| MESA CITY OF Surface Water | AZ0407095 | 3 | 0 | Low Level |
| BERMUDA WATER COMPANY INC Groundwater | AZ0408063 | 3 | 0 | Low Level |
| PONDEROSA DWID Groundwater | AZ0409023 | 3 | 0 | Low Level |
| FLORENCE WATER COMPANY Groundwater | AZ0411017 | 3 | 0 | Low Level |
| UNIVERSITY OF ARIZONA Groundwater | AZ0420423 | 3 | 0 | Low Level |
| ARIZONA WATER CO - SIERRA VISTA Groundwater | AZ0402004 | 2 | 0 | Low Level |
| PINE STRAWBERRY DWID Groundwater | AZ0404034 | 2 | 0 | Low Level |
| SAFFORD CITY OF Groundwater | AZ0405005 | 2 | 0 | Low Level |
| MORENCI WATER ELEC CO MAIN Surface Water | AZ0406003 | 2 | 0 | Low Level |
| PHOENIX CITY OF Surface Water | AZ0407025 | 2 | 0 | Low Level |
| TOLLESON CITY OF MX | AZ0407101 | 2 | 0 | Low Level |
| METROPOLITAN DWID Groundwater | AZ0410076 | 2 | 0 | Low Level |
| LAGO DEL ORO WATER COMPANY Groundwater | AZ0411117 | 2 | 0 | Low Level |
| CHINO VALLEY HIGH SCHOOL Groundwater | AZ0413087 | 2 | 0 | Low Level |
| EAGAR TOWN OF Groundwater | AZ0401004 | 1 | 0 | Low Level |
| BELLA VISTA CITY WATER SYSTEM Groundwater | AZ0402010 | 1 | 0 | Low Level |
| FLAGSTAFF CITY OF MX | AZ0403008 | 1 | 0 | Low Level |
| GLEN CANYON NRA WAHWEAP Groundwater | AZ0403712 | 1 | 0 | Low Level |
| GLENDALE CITY OF MX | AZ0407093 | 1 | 0 | Low Level |
| SCOTTSDALE CITY OF Surface Water | AZ0407098 | 1 | 0 | Low Level |
| AZ Water Co. - White Tanks Surface Water | AZ0407128 | 1 | 0 | Low Level |
| City of Lake Havasu Groundwater | AZ0408022 | 1 | 0 | Low Level |
| ARIZONA WATER CO - LAKESIDE Groundwater | AZ0409003 | 1 | 0 | Low Level |
| TUCSON CITY OF Groundwater | AZ0410112 | 1 | 0 | Low Level |
| COTTONWOOD MUNICIPAL WATER CW1 Groundwater | AZ0413025 | 1 | 0 | Low Level |
| CHINO VALLEY SCHOOL - DEL RIO Groundwater | AZ0413187 | 1 | 0 | Low Level |
| USMC YUMA MAIN SYSTEM MX | AZ0414082 | 1 | 0 | Low Level |