PFAS in Arizona Water
Based on EPA UCMR 5 testing of 145 public water systems in Arizona.
145
Systems Tested
145
With PFAS Detected
25
Above EPA Limits
17%
Exceed MCL
Most Commonly Detected PFAS in Arizona
Systems with detections · EPA UCMR 5 (2023–2025)
lithium 142 systems
PFBS 40 systems
PFPeA 35 systems
PFHxA 32 systems
PFHxS 26 systems
PFBA 25 systems
Check your Arizona ZIP code
Get specific results for your neighborhood's water utility.
Water Systems in Arizona (145)
Click any row to see ZIP-level details| Water System | PWSID | PFAS Detected | Above MCL | Risk |
|---|---|---|---|---|
| PAYSON TOWN OF Groundwater | AZ0404032 | 10 | 3 | High Risk |
| TEMPE CITY OF Groundwater | AZ0407100 | 10 | 3 | High Risk |
| LIBERTY WATER LPSCO Groundwater | AZ0407046 | 9 | 3 | High Risk |
| LIBERTY WATER RIO RICO Groundwater | AZ0412011 | 8 | 3 | High Risk |
| US ARMY FORT HUACHUCA Groundwater | AZ0402078 | 7 | 3 | High Risk |
| MARANA MUNICIPAL - MARANA Groundwater | AZ0410150 | 7 | 3 | High Risk |
| ARIZONA WATER CO - SEDONA Groundwater | AZ0403003 | 9 | 2 | High Risk |
| City of Avondale Groundwater | AZ0407088 | 9 | 2 | High Risk |
| USAF LUKE AIR FORCE BASE Groundwater | AZ0407305 | 8 | 2 | High Risk |
| BIG PARK WATER COMPANY Groundwater | AZ0413012 | 8 | 2 | High Risk |
| PRESCOTT CITY OF Groundwater | AZ0413045 | 8 | 2 | High Risk |
| GILBERT, TOWN OF Groundwater | AZ0407092 | 7 | 2 | High Risk |
| GOODYEAR WATER DEPARTMENT MX | AZ0407094 | 7 | 2 | High Risk |
| EPCOR WATER - MOHAVE Groundwater | AZ0408032 | 7 | 2 | High Risk |
| FLOWING WELLS IRRIGATION DISTRICT Groundwater | AZ0410051 | 7 | 2 | High Risk |
| PONDEROSA PARK DWID Groundwater | AZ0413044 | 7 | 2 | High Risk |
| GLOBE CITY OF Groundwater | AZ0404008 | 6 | 2 | High Risk |
| MARANA MUNICIPAL - HARTMAN VISTAS Groundwater | AZ0410329 | 3 | 2 | High Risk |
| ARIZONA WATER CO - MIAMI CLAYPOOL Groundwater | AZ0404002 | 7 | 1 | High Risk |
| JOHNSON UTIL - ANTHEM AT MERRILL RANCH Groundwater | AZ0411136 | 7 | 1 | High Risk |
| ARIZONA WATER CO - BISBEE Groundwater | AZ0402001 | 6 | 1 | High Risk |
| EPCOR WATER - NORTH MOHAVE VALLEY Groundwater | AZ0408068 | 6 | 1 | High Risk |
| PEORIA CITY OF Groundwater | AZ0407096 | 4 | 1 | High Risk |
| FARMERS WATER CO SANTA RITA SPRINGS Groundwater | AZ0410213 | 4 | 1 | High Risk |
| PHOENIX INTERNATIONAL RACEWAY Groundwater | AZ0407406 | 2 | 1 | High Risk |
| ARIZONA WATER CO - PINAL VALLEY Groundwater | AZ0411009 | 7 | 0 | Moderate |
| VALLEY UTILITIES WATER COMPANY GLENDALE Groundwater | AZ0407079 | 5 | 0 | Moderate |
| CHANDLER CITY OF Groundwater | AZ0407090 | 5 | 0 | Moderate |
| EL MIRAGE CITY OF Groundwater | AZ0407091 | 5 | 0 | Moderate |
| MARANA MUNICIPAL - PICTURE ROCKS Groundwater | AZ0410092 | 5 | 0 | Moderate |
| MESA CITY OF Surface Water | AZ0407095 | 4 | 0 | Low Level |
| BERMUDA WATER COMPANY INC Groundwater | AZ0408063 | 4 | 0 | Low Level |
| PONDEROSA DWID Groundwater | AZ0409023 | 4 | 0 | Low Level |
| FLORENCE WATER COMPANY Groundwater | AZ0411017 | 4 | 0 | Low Level |
| UNIVERSITY OF ARIZONA Groundwater | AZ0420423 | 4 | 0 | Low Level |
| ARIZONA WATER CO - SIERRA VISTA Groundwater | AZ0402004 | 3 | 0 | Low Level |
| PINE STRAWBERRY DWID Groundwater | AZ0404034 | 3 | 0 | Low Level |
| SAFFORD CITY OF Groundwater | AZ0405005 | 3 | 0 | Low Level |
| MORENCI WATER ELEC CO MAIN Surface Water | AZ0406003 | 3 | 0 | Low Level |
| PHOENIX CITY OF Groundwater | AZ0407025 | 3 | 0 | Low Level |
| TOLLESON CITY OF MX | AZ0407101 | 3 | 0 | Low Level |
| METROPOLITAN DWID Groundwater | AZ0410076 | 3 | 0 | Low Level |
| LAGO DEL ORO WATER COMPANY Groundwater | AZ0411117 | 3 | 0 | Low Level |
| EAGAR TOWN OF Groundwater | AZ0401004 | 2 | 0 | Low Level |
| BELLA VISTA CITY WATER SYSTEM Groundwater | AZ0402010 | 2 | 0 | Low Level |
| GLEN CANYON NRA WAHWEAP Groundwater | AZ0403712 | 2 | 0 | Low Level |
| GLENDALE CITY OF MX | AZ0407093 | 2 | 0 | Low Level |
| SCOTTSDALE CITY OF Surface Water | AZ0407098 | 2 | 0 | Low Level |
| AZ Water Co. - White Tanks Surface Water | AZ0407128 | 2 | 0 | Low Level |
| City of Lake Havasu Groundwater | AZ0408022 | 2 | 0 | Low Level |
| ARIZONA WATER CO - LAKESIDE Groundwater | AZ0409003 | 2 | 0 | Low Level |
| TUCSON CITY OF Groundwater | AZ0410112 | 2 | 0 | Low Level |
| COTTONWOOD MUNICIPAL WATER CW1 Groundwater | AZ0413025 | 2 | 0 | Low Level |
| CHINO VALLEY HIGH SCHOOL Groundwater | AZ0413087 | 2 | 0 | Low Level |
| USMC YUMA MAIN SYSTEM MX | AZ0414082 | 2 | 0 | Low Level |
| OLD CONCHO WATER USERS Groundwater | AZ0401011 | 1 | 0 | Low Level |
| ST JOHNS CITY OF Groundwater | AZ0401012 | 1 | 0 | Low Level |
| BENSON, CITY OF WATER SYSTEM Groundwater | AZ0402005 | 1 | 0 | Low Level |
| DOUGLAS CITY OF Groundwater | AZ0402014 | 1 | 0 | Low Level |
| CITY OF WILLCOX Groundwater | AZ0402035 | 1 | 0 | Low Level |
| FLAGSTAFF CITY OF MX | AZ0403008 | 1 | 0 | Low Level |
| PAGE CITY OF Surface Water | AZ0403017 | 1 | 0 | Low Level |
| BEARDSLEY WATER COMPANY 1 Groundwater | AZ0407007 | 1 | 0 | Low Level |
| CAREFREE WATER COMPANY MX | AZ0407015 | 1 | 0 | Low Level |
| CAVE CREEK WATER Surface Water | AZ0407016 | 1 | 0 | Low Level |
| EPCOR WATER - CHAPARRAL CITY Groundwater | AZ0407017 | 1 | 0 | Low Level |
| DESERT HILLS WATER MX | AZ0407026 | 1 | 0 | Low Level |
| QUEEN CREEK TOWN OF Groundwater | AZ0407033 | 1 | 0 | Low Level |
| WICKENBURG TOWN OF Groundwater | AZ0407045 | 1 | 0 | Low Level |
| EPCOR WATER - PARADISE VALLEY/SCOTTSDALE Groundwater | AZ0407056 | 1 | 0 | Low Level |
| ROSE VALLEY WATER COMPANY Groundwater | AZ0407065 | 1 | 0 | Low Level |
| SUNRISE WATER COMPANY Groundwater | AZ0407070 | 1 | 0 | Low Level |
| CITY OF BUCKEYE - VALENCIA TOWN DIVISION Groundwater | AZ0407078 | 1 | 0 | Low Level |
| BUCKEYE CITY OF Groundwater | AZ0407089 | 1 | 0 | Low Level |
| EPCOR WATER - SUN CITY Groundwater | AZ0407099 | 1 | 0 | Low Level |
| PIMA UTILITIES Groundwater | AZ0407120 | 1 | 0 | Low Level |
| RIO VERDE UTILITIES Groundwater | AZ0407121 | 1 | 0 | Low Level |
| EPCOR WATER - SUN CITY WEST Groundwater | AZ0407150 | 1 | 0 | Low Level |
| CITY OF BUCKEYE SONORA - SUNDANCE Groundwater | AZ0407154 | 1 | 0 | Low Level |
| SURPRISE CITY OF - MOUNTAIN VISTA Groundwater | AZ0407500 | 1 | 0 | Low Level |
| EPCOR WATER - ANTHEM Surface Water | AZ0407504 | 1 | 0 | Low Level |
| DESERT OASIS Groundwater | AZ0407523 | 1 | 0 | Low Level |
| EPCOR WATER - NORTH EAST AGUA FRIA Groundwater | AZ0407531 | 1 | 0 | Low Level |
| EPCOR WATER - TIERRA DEL RIO Groundwater | AZ0407532 | 1 | 0 | Low Level |
| ASPC LEWIS COMPLEX WATER SYSTEM Groundwater | AZ0407555 | 1 | 0 | Low Level |
| EPCOR WATER - AGUA FRIA Surface Water | AZ0407695 | 1 | 0 | Low Level |
| FESTIVAL RANCH Groundwater | AZ0407765 | 1 | 0 | Low Level |
| EPCOR WATER - LAKE HAVASU Groundwater | AZ0408015 | 1 | 0 | Low Level |
| KATHERINE RESORTS LANDING Groundwater | AZ0408018 | 1 | 0 | Low Level |
| KINGMAN MUNICIPAL WATER Groundwater | AZ0408020 | 1 | 0 | Low Level |
| GOLDEN SHORES WATER COMPANY Groundwater | AZ0408024 | 1 | 0 | Low Level |
| VALLEY PIONEERS WATER COMPANY INC Groundwater | AZ0408038 | 1 | 0 | Low Level |
| EPCOR WATER - WILLOW VALLEY/KING STREET Groundwater | AZ0408040 | 1 | 0 | Low Level |
| GOLDEN VALLEY IMPROVEMENT DISTRICT Groundwater | AZ0408081 | 1 | 0 | Low Level |
| AZ STATE PRISON - GEO GROUP - KINGMAN Groundwater | AZ0408184 | 1 | 0 | Low Level |
| HOLBROOK CITY OF Groundwater | AZ0409015 | 1 | 0 | Low Level |
| ARIZONA WATER CO - PINETOP LAKES Groundwater | AZ0409018 | 1 | 0 | Low Level |
| CITY OF SHOW LOW Groundwater | AZ0409026 | 1 | 0 | Low Level |
| SNOWFLAKE TOWN OF Groundwater | AZ0409029 | 1 | 0 | Low Level |
| COMMUNITY WC OF GREEN VALLEY Groundwater | AZ0410004 | 1 | 0 | Low Level |
| AVRA WATER COOP INC Groundwater | AZ0410006 | 1 | 0 | Low Level |
| VOYAGER WATER COMPANY Groundwater | AZ0410035 | 1 | 0 | Low Level |
| VAIL WATER COMPANY Groundwater | AZ0410041 | 1 | 0 | Low Level |
| FARMERS WATER CO CONTINENTAL Groundwater | AZ0410049 | 1 | 0 | Low Level |
| METROPOLITAN DWID - HUB Groundwater | AZ0410060 | 1 | 0 | Low Level |
| LAS QUINTAS SERENAS WATER COMPANY Groundwater | AZ0410064 | 1 | 0 | Low Level |
| RAY WATER COMPANY INC Groundwater | AZ0410095 | 1 | 0 | Low Level |
| GREEN VALLEY DWID Groundwater | AZ0410157 | 1 | 0 | Low Level |
| ORO VALLEY WATER UTILITY Groundwater | AZ0410164 | 1 | 0 | Low Level |
| TUCSON WATER CORONA DE TUCSON Groundwater | AZ0410169 | 1 | 0 | Low Level |
| ORO VALLEY WATER COUNTRYSIDE Groundwater | AZ0410175 | 1 | 0 | Low Level |
| QUAIL CREEK WATER COMPANY Groundwater | AZ0410262 | 1 | 0 | Low Level |
| SAHUARITA WATER COMPANY Groundwater | AZ0410312 | 1 | 0 | Low Level |
| METROPOLITAN DWID - DIABLO VILLAGE Groundwater | AZ0410357 | 1 | 0 | Low Level |
| ARIZONA WATER CO - APACHE JUNCTION Groundwater | AZ0411004 | 1 | 0 | Low Level |
| ARIZONA WATER CO - ORACLE Groundwater | AZ0411019 | 1 | 0 | Low Level |
| ARIZONA WATER CO - SAN MANUEL Groundwater | AZ0411020 | 1 | 0 | Low Level |
| ARIZONA WATER CO - SUPERIOR Groundwater | AZ0411021 | 1 | 0 | Low Level |
| ELOY CITY OF Groundwater | AZ0411030 | 1 | 0 | Low Level |
| APACHE JUNCTION WATER DISTRICT MX | AZ0411039 | 1 | 0 | Low Level |
| ADOC FLORENCE ASP Groundwater | AZ0411066 | 1 | 0 | Low Level |
| CCA - ELOY COMPLEX Groundwater | AZ0411115 | 1 | 0 | Low Level |
| EPCOR - SAN TAN Groundwater | AZ0411128 | 1 | 0 | Low Level |
| GWR - SANTA CRUZ WATER CO. INC. Groundwater | AZ0411131 | 1 | 0 | Low Level |
| COPPER MOUNTAIN RANCH CFD Groundwater | AZ0411328 | 1 | 0 | Low Level |
| ADOC EYMAN UNIT Groundwater | AZ0411705 | 1 | 0 | Low Level |
| NOGALES CITY OF Groundwater | AZ0412004 | 1 | 0 | Low Level |
| PATAGONIA WATER DEPARTMENT Groundwater | AZ0412006 | 1 | 0 | Low Level |
| CAMP VERDE WATER SYSTEM Groundwater | AZ0413015 | 1 | 0 | Low Level |
| CLARKDALE MUNICIPAL WATER SYSTEM Groundwater | AZ0413024 | 1 | 0 | Low Level |
| ARIZONA WATER CO - RIMROCK Groundwater | AZ0413046 | 1 | 0 | Low Level |
| TOWN OF PRESCOTT VALLEY Groundwater | AZ0413048 | 1 | 0 | Low Level |
| COTTONWOOD MUNICIPAL WATER VV6 Groundwater | AZ0413106 | 1 | 0 | Low Level |
| CHINO VALLEY SCHOOL - DEL RIO Groundwater | AZ0413187 | 1 | 0 | Low Level |
| FAR WEST WATER & SEWER INC Surface Water | AZ0414004 | 1 | 0 | Low Level |
| SAN LUIS CITY OF Groundwater | AZ0414005 | 1 | 0 | Low Level |
| SOMERTON CITY OF Groundwater | AZ0414015 | 1 | 0 | Low Level |
| YUMA CITY OF MX | AZ0414024 | 1 | 0 | Low Level |
| TIERRA MESA ESTATES WATER COMPANY Groundwater | AZ0414080 | 1 | 0 | Low Level |
| ASPC YUMA Groundwater | AZ0414099 | 1 | 0 | Low Level |
| TUCSON COUNTRY DAY SCHOOL Groundwater | AZ0420018 | 1 | 0 | Low Level |
| USAF DAVIS MONTHAN AFB Groundwater | AZ0420549 | 1 | 0 | Low Level |
| ADOC TUCSON Groundwater | AZ0420557 | 1 | 0 | Low Level |
| U OF A SCIENCE TECH PARK Groundwater | AZ0420567 | 1 | 0 | Low Level |
| MISSION PALMS APARTMENTS Groundwater | AZ0420570 | 1 | 0 | Low Level |