Arizona PFAS compliance
PFAS contamination data for 500 water systems in Arizona, serving 7,503,044 people.
Total systems
500
Exceed MCL
24
At risk
1
Compliant
143
Settlement eligible
161
Arizona PFAS regulatory overview
State standards
Arizona follows federal EPA MCLs (PFOA/PFOS: 4 ppt).
AZ follows federal EPA MCLs. Developing state PFAS action plan. Significant contamination near Luke AFB.
Regulatory agency
Arizona follows federal EPA MCLs and is developing a state PFAS action plan. Contamination near Luke AFB and other military installations.
Get weekly PFAS compliance alerts for Arizona
Water systems
| System | City | Population | PFOA (ppt) | PFOS (ppt) | Status |
|---|---|---|---|---|---|
| PHOENIX CITY OF AZ0407025 | PHOENIX | 1,695,000 | — | — | Compliant |
| TUCSON CITY OF AZ0410112 | TUCSON | 732,906 | — | — | Compliant |
| MESA CITY OF AZ0407095 | MESA | 466,000 | — | — | Compliant |
| GILBERT, TOWN OF AZ0407092 | GILBERT | 247,600 | 6.5 | 9.8 | Exceeds |
| CHANDLER CITY OF AZ0407090 | CHANDLER | 247,328 | — | — | Compliant |
| SCOTTSDALE CITY OF AZ0407098 | SCOTTSDALE | 241,361 | — | — | Compliant |
| GLENDALE CITY OF AZ0407093 | PHOENIX | 234,766 | — | — | Compliant |
| PEORIA CITY OF AZ0407096 | PEORIA | 187,676 | 5.6 | — | Exceeds |
| TEMPE CITY OF AZ0407100 | TEMPE | 165,000 | 38.7 | 55.8 | Exceeds |
| ARIZONA WATER CO - PINAL VALLEY AZ0411009 | PHOENIX | 134,432 | — | — | Compliant |
| EPCOR - AGUA FRIA AZ0407695 | EL MIRAGE | 127,718 | — | — | Compliant |
| CITY OF YUMA AZ0414024 | YUMA | 103,264 | — | — | Compliant |
| QUEEN CREEK TOWN OF AZ0407033 | QUEEN CREEK | 95,502 | — | — | Compliant |
| EPCOR - SAN TAN AZ0411128 | SAN TAN VALLEY | 87,435 | — | — | Compliant |
| GW SANTA CRUZ WATER CO AZ0411131 | MARICOPA | 84,000 | — | — | Compliant |
| AVONDALE CITY OF AZ0407088 | AVONDALE | 83,001 | 13.5 | 11.7 | Exceeds |
| FLAGSTAFF CITY OF AZ0403008 | FLAGSTAFF | 76,960 | — | — | Compliant |
| ARIZONA WATER CO - APACHE JUNCTION AZ0411004 | PHOENIX | 62,055 | — | — | Compliant |
| TOWN OF PRESCOTT VALLEY AZ0413048 | DEWEY | 57,048 | — | — | Compliant |
| LAKE HAVASU CITY OF AZ0408022 | LAKE HAVASU CITY | 54,610 | — | — | Compliant |
| LIBERTY WATER LPSCO AZ0407046 | LITCHFIELD PARK | 50,770 | 10.2 | 14.1 | Exceeds |
| GOODYEAR WATER DEPARTMENT AZ0407094 | GOODYEAR | 50,001 | 4.8 | 7.9 | Exceeds |
| UNIVERSITY OF ARIZONA AZ0420423 | TUCSON | 50,000 | — | — | Compliant |
| METROPOLITAN DWID AZ0410076 | TUCSON | 45,570 | — | — | Compliant |
| KINGMAN MUNICIPAL WATER AZ0408020 | KINGMAN | 45,000 | — | — | Compliant |
| ORO VALLEY WATER UTILITY AZ0410164 | ORO VALLEY | 42,316 | — | — | Compliant |
| PRESCOTT CITY OF AZ0413045 | PRESCOTT | 42,217 | 11.4 | 8.7 | Exceeds |
| SURPRISE CITY OF - MOUNTAIN VISTA AZ0407500 | SURPRISE | 40,007 | — | — | Compliant |
| EL MIRAGE CITY OF AZ0407091 | EL MIRAGE | 39,884 | 4 | — | At risk |
| SAN LUIS CITY OF AZ0414005 | SAN LUIS | 39,705 | — | — | Compliant |
| EPCOR - SUN CITY AZ0407099 | EL MIRAGE | 38,016 | — | — | Compliant |
| BULLHEAD CITY MOHAVE AZ0408032 | BULLHEAD CITY | 36,330 | 5.3 | 7.3 | Exceeds |
| FOOTHILLS WATER AND SEWER LLC AZ0414004 | YUMA | 32,425 | — | — | Compliant |
| CITY OF BUCKEYE - VALENCIA TOWN DIVISION AZ0407078 | BUCKEYE | 30,377 | — | — | Compliant |
| EPCOR - CHAPARRAL CITY AZ0407017 | EL MIRAGE | 26,026 | — | — | Compliant |
| EPCOR - SUN CITY WEST AZ0407150 | EL MIRAGE | 25,796 | — | — | Compliant |
| Casino Arizona Talking Stick (CATS) 090400703 | Scottsdale | 25,785 | — | — | Compliant |
| BERMUDA WATER COMPANY INC AZ0408063 | FORT MOHAVE | 25,000 | — | — | Compliant |
| DESERT OASIS AZ0407523 | SURPRISE | 23,963 | — | — | Compliant |
| EPCOR - ANTHEM AZ0407504 | EL MIRAGE | 23,826 | — | — | Compliant |
| GRIC DPW Wild Horse Pass 090400692 | Sacaton | 22,795 | — | — | Compliant |
| COMMUNITY WC OF GREEN VALLEY AZ0410004 | GREEN VALLEY | 22,085 | — | — | Compliant |
| NOGALES CITY OF AZ0412004 | NOGALES | 22,000 | — | — | Compliant |
| Salt River Public Works 090400109 | Scottsdale | 20,951 | — | — | Compliant |
| SAFFORD CITY OF AZ0405005 | SAFFORD | 20,600 | — | — | Compliant |
| BELLA VISTA CITY WATER SYSTEM AZ0402010 | SIERRA VISTA | 20,045 | — | — | Compliant |
| PIMA UTILITIES AZ0407120 | PHOENIX | 20,000 | — | — | Compliant |
| ARIZONA WATER CO - WHITE TANKS AZ0407128 | PHOENIX | 18,858 | — | — | Compliant |
| USAF DAVIS MONTHAN AFB AZ0420549 | DAVIS-MONTHAN AFB | 18,640 | — | — | Compliant |
| SAHUARITA WATER COMPANY AZ0410312 | SAHUARITA | 18,178 | — | — | Compliant |
| LAGO DEL ORO WATER COMPANY AZ0411117 | SUN LAKES | 18,132 | — | — | Compliant |
| LIBERTY WATER RIO RICO AZ0412011 | SIERRA VISTA | 17,960 | 10 | 40.9 | Exceeds |
| PAYSON TOWN OF AZ0404032 | PAYSON | 17,682 | 40.9 | 42.2 | Exceeds |
| VAIL WATER COMPANY AZ0410041 | VAIL | 17,500 | — | — | Compliant |
| CITY OF SHOW LOW AZ0409026 | SHOW LOW | 17,139 | — | — | Compliant |
| DOUGLAS CITY OF AZ0402014 | DOUGLAS | 16,656 | — | — | Compliant |
| GRAND CANYON NATIONAL PARK AZ0403702 | GRAND CANYON | 16,590 | — | — | Compliant |
| FLOWING WELLS IRRIGATION DISTRICT AZ0410051 | TUCSON | 16,000 | 5 | 6 | Exceeds |
| FLORENCE WATER COMPANY AZ0411017 | FLORENCE | 15,900 | — | — | Compliant |
| CITY OF BUCKEYE SONORA - SUNDANCE AZ0407154 | BUCKEYE | 15,783 | — | — | Compliant |
| APACHE JUNCTION WATER DISTRICT AZ0411039 | APACHE JUNCTION | 15,610 | — | — | Compliant |
| US ARMY FORT HUACHUCA AZ0402078 | DRAGOON | 15,603 | 7 | 6.5 | Exceeds |
| WMATUA Miner Flat 090400693 | Whiteriver | 15,570 | — | — | Compliant |
| Farmington Rural-Shiprock-Beclabito NTUA NN3500245 | Ft Defiance | 15,233 | — | — | Compliant |
| MARANA MUNICIPAL - MARANA AZ0410150 | MARANA | 15,162 | 6.3 | 17.9 | Exceeds |
| EPCOR - NORTH EAST AGUA FRIA AZ0407531 | EL MIRAGE | 14,723 | — | — | Compliant |
| SOMERTON CITY OF AZ0414015 | SOMERTON | 14,197 | — | — | Compliant |
| EPCOR - PARADISE VALLEY/SCOTTSDALE AZ0407056 | EL MIRAGE | 14,107 | — | — | Compliant |
| ARIZONA WATER CO - OVERGAARD AZ0409004 | PHOENIX | 13,797 | — | — | Compliant |
| Fort Defiance-Window Rock-St Michaels NTUA NN0403000 | Ft Defiance | 12,869 | — | — | Compliant |
| PUEBLO DEL SOL WATER COMPANY AZ0402044 | SIERRA VISTA | 12,804 | — | — | Compliant |
| ARIZONA WATER CO - LAKESIDE AZ0409003 | PHOENIX | 12,191 | — | — | Compliant |
| ARIZONA WATER CO - SEDONA AZ0403003 | PHOENIX | 12,104 | 10 | 6 | Exceeds |
| Talking Stick Resort 090400707 | Scottsdale | 12,087 | — | — | Compliant |
| Ak-Chin Village 090400090 | Maricopa | 11,646 | — | — | Compliant |
| COTTONWOOD MUNICIPAL WATER CW1 AZ0413025 | COTTONWOOD | 11,023 | — | — | Compliant |
| Casino Arizona 090400708 | Scottsdale | 10,603 | — | — | Compliant |
| ARIZONA WATER CO - ORACLE AZ0411019 | PHOENIX | 10,585 | — | — | Compliant |
| EPCOR - SAN TAN ANTHEM AZ0411136 | SAN TAN VALLEY | 10,362 | 19 | — | Exceeds |
| FESTIVAL RANCH AZ0407765 | BUCKEYE | 10,313 | — | — | Compliant |
| TUCSON WATER CORONA DE TUCSON AZ0410169 | TUCSON | 10,217 | — | — | Compliant |
| WINSLOW CITY OF AZ0409035 | WINSLOW | 9,789 | — | — | Compliant |
| TOLLESON CITY OF AZ0407101 | TOLLESON | 9,300 | — | — | Compliant |
| ARIZONA WATER CO - SIERRA VISTA AZ0402004 | PHOENIX | 9,175 | — | — | Compliant |
| BEARDSLEY WATER COMPANY 1 AZ0407007 | LITCHFIELD PARK | 9,002 | — | — | Compliant |
| DONEY PARK WATER AZ0403005 | FLAGSTAFF | 8,996 | — | — | Compliant |
| CCA - ELOY COMPLEX AZ0411115 | ELOY | 8,852 | — | — | Compliant |
| ARIZONA WATER CO - BISBEE AZ0402001 | PHOENIX | 8,707 | 9.7 | — | Exceeds |
| GREEN VALLEY DWID AZ0410157 | SAHUARITA | 8,687 | — | — | Compliant |
| ARIZONA WATER CO - MIAMI CLAYPOOL AZ0404002 | PHOENIX | 8,656 | — | — | Exceeds |
| Colorado River Regional Water System 090400051 | Parker | 8,490 | — | — | Compliant |
| SCUA Upper Seven Mile 090400114 | San Carlos | 8,478 | — | — | Compliant |
| Chinle-Many Farms-Del Muerto NTUA NN0400174 | Ft Defiance | 8,458 | — | — | Compliant |
| USAF LUKE AIR FORCE BASE AZ0407305 | LUKE AFB | 8,440 | 10 | 11.7 | Exceeds |
| ARIZONA WATER CO - PINEWOOD AZ0403002 | PHOENIX | 8,089 | — | — | Compliant |
| PINE STRAWBERRY WID AZ0404034 | PINE | 8,013 | — | — | Compliant |
| ELOY CITY OF AZ0411030 | ELOY | 7,903 | — | — | Compliant |
| GLOBE CITY OF AZ0404008 | GLOBE | 7,536 | — | 9.5 | Exceeds |
| PAGE CITY OF AZ0403017 | PAGE | 7,420 | — | — | Compliant |
| BIG PARK WATER COMPANY AZ0413012 | SEDONA | 7,392 | 21 | 4.1 | Exceeds |
| Fort McDowell Community 090400088 | Fountain Hills | 7,260 | — | — | Compliant |
| BUCKEYE CITY OF AZ0407089 | BUCKEYE | 7,008 | — | — | Compliant |
| QUAIL CREEK WATER COMPANY AZ0410262 | TUCSON | 6,812 | — | — | Compliant |
| AVRA WATER COOP INC AZ0410006 | TUCSON | 6,685 | — | — | Compliant |
| SUNRISE WATER COMPANY AZ0407070 | PEORIA | 6,490 | — | — | Compliant |
| WICKENBURG TOWN OF AZ0407045 | WICKENBURG | 6,481 | — | — | Compliant |
| USMC YUMA MAIN SYSTEM AZ0414082 | YUMA | 6,324 | — | — | Compliant |
| Tuba City NTUA NN0400206 | Fort Defiance | 6,276 | — | — | Compliant |
| ROSE VALLEY WATER COMPANY AZ0407065 | YUMA | 6,202 | — | — | Compliant |
| VALLEY PIONEERS WATER COMPANY INC AZ0408038 | GOLDEN VALLEY | 6,063 | — | — | Compliant |
| VALLEY UTILITIES WATER COMPANY GLENDALE AZ0407079 | GLENDALE | 5,940 | — | — | Compliant |
| CAVE CREEK WATER AZ0407016 | CAVE CREEK | 5,895 | — | — | Compliant |
| Quechan Utility 090400089 | Yuma | 5,660 | — | — | Compliant |
| GW FARMERS WATER CO - CONTINENTAL AZ0410049 | MARICOPA | 5,592 | — | — | Compliant |
| SNOWFLAKE TOWN OF AZ0409029 | SNOWFLAKE | 5,590 | — | — | Compliant |
| METROPOLITAN DWID - DIABLO VILLAGE AZ0410357 | TUCSON | 5,542 | — | — | Compliant |
| PONDEROSA DWID AZ0409023 | PINETOP | 5,375 | — | — | Compliant |
| BENSON, CITY OF WATER SYSTEM AZ0402005 | BENSON | 5,355 | — | — | Compliant |
| EPCOR- RIO VERDE AZ0407121 | EL MIRAGE | 5,330 | — | — | Compliant |
| HOLBROOK CITY OF AZ0409015 | HOLBROOK | 5,318 | — | — | Compliant |
| GRIC DPW Sacaton 090400047 | Sacaton | 5,307 | — | — | Compliant |
| Cocopah Casino 090400673 | Somerton | 5,300 | — | — | Compliant |
| MARANA MUNICIPAL - PICTURE ROCKS AZ0410092 | TUCSON | 5,278 | — | — | Compliant |
| MARANA MUNICIPAL - HARTMAN VISTAS AZ0410329 | TUCSON | 5,248 | — | 23 | Exceeds |
| Pinon-District 4 NTUA NN0403004 | Ft Defiance | 5,195 | — | — | Compliant |
| NORTH MOHAVE VALLEY AZ0408068 | BULLHEAD CITY | 5,190 | — | 5.5 | Exceeds |
| TOWN OF CAMP VERDE UTILITIES AZ0413015 | CAMP VERDE | 5,013 | — | — | Compliant |
| Dilkon-Indian Wells-Greasewood-White Cone NTUA NN0400342 | Fort Defiance | 4,986 | — | — | Compliant |
| CLARKDALE MUNICIPAL WATER SYSTEM AZ0413024 | CLARKDALE | 4,920 | — | — | Compliant |
| EPCOR - TIERRA DEL RIO AZ0407532 | EL MIRAGE | 4,868 | — | — | Compliant |
| EPCOR - LAKE HAVASU AZ0408015 | EL MIRAGE | 4,788 | — | — | Compliant |
| ARIZONA WATER CO - SAN MANUEL AZ0411020 | PHOENIX | 4,748 | — | — | Compliant |
| EAGAR TOWN OF AZ0401004 | EAGAR | 4,590 | — | — | Compliant |
| Mariano Lake-Pinedale-Church Rock NTUA NN3500211 | Ft Defiance | 4,562 | — | — | Compliant |
| ORO VALLEY WATER COUNTRYSIDE AZ0410175 | ORO VALLEY | 4,534 | — | — | Compliant |
| COTTONWOOD MUNICIPAL WATER VV6 AZ0413106 | COTTONWOOD | 4,509 | — | — | Compliant |
| ADOC TUCSON AZ0420557 | TUCSON | 4,500 | — | — | Compliant |
| PHOENIX INTERNATIONAL RACEWAY AZ0407406 | AVONDALE | 4,500 | — | 10 | Exceeds |
| RAY WATER COMPANY INC AZ0410095 | TUCSON | 4,495 | — | — | Compliant |
| GLEN CANYON NRA WAHWEAP AZ0403712 | PAGE | 4,439 | — | — | Compliant |
| ARIZONA WATER CO - SUPERIOR AZ0411021 | PHOENIX | 4,393 | — | — | Compliant |
| ASPC LEWIS COMPLEX WATER SYSTEM AZ0407555 | BUCKEYE | 4,300 | — | — | Compliant |
| METROPOLITAN DWID - HUB AZ0410060 | TUCSON | 4,252 | — | — | Compliant |
| DESERT HILLS WATER AZ0407026 | CAVE CREEK | 4,220 | — | — | Compliant |
| ASPC YUMA AZ0414099 | YUMA | 4,197 | — | — | Compliant |
| MORENCI WATER ELEC CO MAIN AZ0406003 | PHOENIX | 4,108 | — | — | Compliant |
| Polacca 090400106 | Polacca | 4,108 | — | — | Compliant |
| Sells Intertie 090400042 | Sells | 4,000 | — | — | Compliant |
| GW FARMERS WATER CO - SANTA RITA SPRINGS AZ0410213 | MARICOPA | 3,990 | — | 5 | Exceeds |
| GOLDEN SHORES WATER COMPANY AZ0408024 | WILLIAMS | 3,970 | — | — | Compliant |
| ADOC EYMAN UNIT AZ0411705 | PHOENIX | 3,969 | — | — | Compliant |
| GOLDEN VALLEY IMPROVEMENT DISTRICT AZ0408081 | KINGMAN | 3,950 | — | — | Compliant |
| Crownpoint-Littlewater-Three Mile Point NTUA NN3503039 | Ft Defiance | 3,950 | — | — | Compliant |
| Ganado-Burnside-Cornfield-Steamboat NTUA NN0403001 | Ft Defiance | 3,947 | — | — | Compliant |
| CAREFREE WATER COMPANY AZ0407015 | CAREFREE | 3,894 | — | — | Compliant |
| Kayenta NTUA NN0403003 | Ft Defiance | 3,844 | — | — | Compliant |
| Lone Butte Industrial 090400345 | Chandler | 3,810 | — | — | Compliant |
| GW SAGUARO DIST WATER CO - LAS QUINTAS AZ0410064 | MARICOPA | 3,720 | — | — | Compliant |
| ARIZONA WATER CO - PINETOP LAKES AZ0409018 | PHOENIX | 3,513 | — | — | Compliant |
| KACHINA VILLAGE DWID AZ0403013 | FLAGSTAFF | 3,500 | — | — | Compliant |
| AZ STATE PRISON - GEO GROUP - KINGMAN AZ0408184 | GOLDEN VALLEY | 3,500 | — | — | Compliant |
| ST JOHNS CITY OF AZ0401012 | SAINT JOHNS | 3,500 | — | — | Compliant |
| ARIZONA WATER CO - RIMROCK AZ0413046 | PHOENIX | 3,423 | — | — | Compliant |
| EPCOR - WILLOW VALLEY/KING STREET AZ0408040 | EL MIRAGE | 3,408 | — | — | Compliant |
| CITY OF WILLCOX AZ0402035 | WILLCOX | 3,236 | — | — | Compliant |
| VOYAGER WATER COMPANY AZ0410035 | TUCSON | 3,209 | — | — | Compliant |
| UA TECH PARK - RITA ROAD AZ0420567 | TUCSON | 3,000 | — | — | Compliant |
| Yavapai Apache - Cliff Castle 090400117 | Camp Verde | 2,016 | — | — | Compliant |