Tap WaterIndex State rankings

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Arizona tap water quality

908 community water systems

Lead by system → PFAS by system →
9%
exceed lead action level
(81/901 systems)
14.9%
PFOA/PFOS detected
(24/161 systems)

Largest water systems

Lead is the LCR 90th-percentile result; a value above 0.015 mg/L exceeds the EPA action level. “—” means no lead sample is on file for that system.
SystemCityPopulationLead (p90)
MESA CITY OF MESA 466,000 0.0082 mg/L
GILBERT, TOWN OF GILBERT 247,600 0.0025 mg/L
CHANDLER CITY OF CHANDLER 247,328 0.0062 mg/L
SCOTTSDALE CITY OF SCOTTSDALE 241,361 0.0060 mg/L
GLENDALE CITY OF GLENDALE 234,766 0.0038 mg/L
PEORIA CITY OF PEORIA 187,676 0.0020 mg/L
TEMPE CITY OF TEMPE 165,000 0.0110 mg/L
ARIZONA WATER CO - PINAL VALLEY CASA GRANDE 134,432 0.0027 mg/L
EPCOR - AGUA FRIA SURPRISE 127,718 0.0014 mg/L
CITY OF YUMA YUMA 103,264 0.0013 mg/L
AVONDALE CITY OF AVONDALE 96,130 0.0050 mg/L
QUEEN CREEK TOWN OF QUEEN CREEK 95,502 0.0052 mg/L
EPCOR - SAN TAN JOHNSON RANCH 87,435 0.0033 mg/L
GW SANTA CRUZ WATER CO MARICOPA 84,000 0.0056 mg/L
FLAGSTAFF CITY OF FLAGSTAFF 79,796 0.0034 mg/L
ARIZONA WATER CO - APACHE JUNCTION APACHE JUNCTION 62,055 0.0076 mg/L
TOWN OF PRESCOTT VALLEY PRESCOTT VALLEY 57,048 0.0016 mg/L
LIBERTY WATER LPSCO LITCHFIELD PARK 55,810 0.0025 mg/L
LAKE HAVASU CITY OF LAKE HAVASU CITY 54,610 0.0080 mg/L
GOODYEAR WATER DEPARTMENT GOODYEAR 50,001 0.0018 mg/L
METROPOLITAN DWID TUCSON 45,570 0.0029 mg/L
KINGMAN MUNICIPAL WATER KINGMAN 45,000 0.0052 mg/L
ORO VALLEY WATER UTILITY ORO VALLEY 42,316 0.0050 mg/L
PRESCOTT CITY OF PRESCOTT 42,217 0.0025 mg/L
SURPRISE CITY OF - MOUNTAIN VISTA SURPRISE 40,007 0.0014 mg/L
EL MIRAGE CITY OF EL MIRAGE 39,884 0.0014 mg/L
SAN LUIS CITY OF SAN LUIS 39,705 0.0065 mg/L
EPCOR - SUN CITY SUN CITY 38,016 0.0026 mg/L
BULLHEAD CITY MOHAVE BULLHEAD CITY 36,330 0.0069 mg/L
FOOTHILLS WATER AND SEWER LLC YUMA 32,425 0.0026 mg/L
EPCOR - CHAPARRAL CITY FOUNTAIN HILLS 26,026 0.0082 mg/L
EPCOR - SUN CITY WEST SUN CITY WEST 25,796 0.0021 mg/L
BERMUDA WATER COMPANY INC BULLHEAD CITY 25,000 0.0099 mg/L
DESERT OASIS SURPRISE 23,963 0.0024 mg/L
EPCOR - ANTHEM ANTHEM 23,826 0.0024 mg/L
GRIC DPW Wild Horse Pass Wildhorse Pass Casino, St. Johns Komatke 22,795 0.0034 mg/L
COMMUNITY WC OF GREEN VALLEY GREEN VALLEY 22,085 0.0020 mg/L
NOGALES CITY OF NOGALES 22,000 0.0050 mg/L
Salt River Public Works Salt River Indian Community 20,951 0.0070 mg/L
SAFFORD CITY OF SAFFORD 20,600 0.0065 mg/L
BELLA VISTA CITY WATER SYSTEM SIERRA VISTA 20,045 0.0034 mg/L
PIMA UTILITIES CHANDLER 20,000 0.0050 mg/L
ARIZONA WATER CO - WHITE TANKS WHITE TANKS 18,858 0.0052 mg/L
USAF DAVIS MONTHAN AFB TUCSON 18,640 0.0027 mg/L
SAHUARITA WATER COMPANY SAHUARITA 18,178 0.0031 mg/L
LAGO DEL ORO WATER COMPANY CATALINA 18,132 0.0050 mg/L
LIBERTY WATER RIO RICO RIO RICO 17,960 0.0046 mg/L
PAYSON TOWN OF PAYSON 17,682 0.0072 mg/L
VAIL WATER COMPANY TUCSON 17,500 0.0015 mg/L
CITY OF SHOW LOW SHOW LOW 17,139 0.0070 mg/L
DOUGLAS CITY OF DOUGLAS 16,656 0.0011 mg/L
GRAND CANYON NATIONAL PARK GRAND CANYON 16,590 0.0108 mg/L
FLOWING WELLS IRRIGATION DISTRICT TUCSON 16,000 0.0066 mg/L
FLORENCE WATER COMPANY FLORENCE 15,900 0.0140 mg/L
APACHE JUNCTION WATER DISTRICT APACHE JUNCTION 15,610 0.0051 mg/L
US ARMY FORT HUACHUCA FORT HUACHUCA 15,603 0.0050 mg/L
WMATUA Miner Flat 15,570 0.0058 mg/L
Farmington Rural-Shiprock-Beclabito NTUA Upper Fruitland, Nenahnezad, San Juan, N 15,233 0.0020 mg/L
MARANA MUNICIPAL - MARANA MARANA 15,162 0.0050 mg/L
EPCOR - NORTH EAST AGUA FRIA PHOENIX 14,723 0.0138 mg/L
SOMERTON CITY OF SOMERTON 14,197 0.0029 mg/L
EPCOR - PARADISE VALLEY/SCOTTSDALE PARADISE VALLEY 14,107 0.0051 mg/L
ARIZONA WATER CO - OVERGAARD HEBER 13,797 0.0072 mg/L
Fort Defiance-Window Rock-St Michaels NTUA Fort Defiance, Window Rock, St. Michaels 12,869 0.0087 mg/L
PUEBLO DEL SOL WATER COMPANY SIERRA VISTA 12,804 0.0043 mg/L
ARIZONA WATER CO - LAKESIDE SHOW LOW 12,191 0.0104 mg/L
ARIZONA WATER CO - SEDONA SEDONA 12,104 0.0094 mg/L
Ak-Chin Village Ak-Chin Village 11,646 0.0050 mg/L
COTTONWOOD MUNICIPAL WATER CW1 COTTONWOOD 11,023 0.0041 mg/L
ARIZONA WATER CO - ORACLE ORACLE 10,585 0.0050 mg/L
EPCOR - SAN TAN ANTHEM JOHNSON RANCH 10,362 0.0067 mg/L
BEARDSLEY WATER COMPANY 1 SURPRISE 10,263 0.0084 mg/L
WINSLOW CITY OF WINSLOW 9,789 0.0057 mg/L
TOLLESON CITY OF TOLLESON 9,300 0.0030 mg/L
ARIZONA WATER CO - SIERRA VISTA SIERRA VISTA 9,175 0.0046 mg/L
DONEY PARK WATER FLAGSTAFF 8,996 0.0048 mg/L
CCA - ELOY COMPLEX ELOY 8,852 0.0136 mg/L
ARIZONA WATER CO - BISBEE BISBEE 8,707 0.0050 mg/L
GREEN VALLEY DWID GREEN VALLEY 8,687 0.0023 mg/L
ARIZONA WATER CO - MIAMI CLAYPOOL MIAMI 8,656 0.0030 mg/L
SCUA Upper Seven Mile 8,478 0.0050 mg/L
Chinle-Many Farms-Del Muerto NTUA Chinle, Many Farms, Del Muerto 8,458 0.0050 mg/L
USAF LUKE AIR FORCE BASE LITCHFIELD PARK 8,440 0.0048 mg/L
USMC YUMA MAIN SYSTEM YUMA 8,353 0.0120 mg/L
ARIZONA WATER CO - PINEWOOD MUNDS PARK 8,089 0.0021 mg/L
PINE STRAWBERRY WID PINE 8,013 0.0106 mg/L
ELOY CITY OF ELOY 7,903 0.0035 mg/L
GLOBE CITY OF GLOBE 7,536 0.0026 mg/L
PAGE CITY OF PAGE 7,420 0.0057 mg/L
BIG PARK WATER COMPANY SEDONA 7,392 0.0020 mg/L
Fort McDowell Community 7,260 0.0050 mg/L
QUAIL CREEK WATER COMPANY GREEN VALLEY 6,812 0.0034 mg/L
AVRA WATER COOP INC TUCSON 6,685 0.0020 mg/L
SUNRISE WATER COMPANY PEORIA 6,490 0.0080 mg/L
WICKENBURG TOWN OF WICKENBURG 6,481 0.0160 mg/L
Tuba City NTUA Tuba City 6,276 0.0034 mg/L
ROSE VALLEY WATER COMPANY PHOENIX 6,202 0.0065 mg/L
VALLEY PIONEERS WATER COMPANY INC KINGMAN 6,063 0.0030 mg/L
VALLEY UTILITIES WATER COMPANY GLENDALE GLENDALE 5,940 0.0020 mg/L
CAVE CREEK WATER CAVE CREEK 5,895 0.0150 mg/L