Arizona Water Quality Reports

Comprehensive water quality data for 192 cities across Arizona. View EPA-verified contaminant levels and get filter recommendations.

192

Cities

3

Safe

71

Monitor

27

At Risk

5

Limited testing

86

No Test Data

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Arizona water quality ranking EPA-certified testing labs Water utilities in Arizona

Water Quality by County

Explore aggregated water quality scores across Arizona counties. Scores are calculated based on EPA data and weighted by population.

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Data from 100 cities serving 5,672,962 people across 15 counties.

Common Contaminants in Arizona

88 cities in Arizona have at least one contaminant above EPA health guidelines.

Arsenic(75 cities)Bromoform(33 cities)Uranium(28 cities)Gross Alpha Activity(28 cities)Gross Alpha (Excl. Radon and Uranium)(27 cities)Bromodichloromethane(22 cities)

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Cities in Arizona

Phoenix

People Served1695K

114 results on file

Above Guidelines3

View Report →

Tucson

People Served733K

118 results on file

Above Guidelines5

View Report →

Mesa

People Served466K

108 results on file

Above Guidelines2

View Report →

Gilbert

People Served248K

120 results on file

Above Guidelines9

View Report →

Chandler

People Served247K

114 results on file

Above Guidelines3

View Report →

Scottsdale

People Served241K

108 results on file

Above Guidelines3

View Report →

Glendale

People Served235K

125 results on file

Above Guidelines2

View Report →

Tempe

People Served165K

111 results on file

Above Guidelines6

View Report →

Peoria

People Served136K

123 results on file

Above Guidelines7

View Report →

Casa Grande

People Served113K

106 results on file

Above Guidelines3

View Report →

Yuma

People Served103K

110 results on file

Above Guidelines3

View Report →

Queen Creek

People Served96K

117 results on file

Above Guidelines4

View Report →

Avondale

People Served83K

127 results on file

Above Guidelines7

View Report →

Flagstaff

People Served77K

111 results on file

Above Guidelines3

View Report →

Apache Junction

People Served62K

104 results on file

Above Guidelines2

View Report →

Prescott Valley

People Served55K

124 results on file

Above Guidelines2

View Report →

Lake Havasu City

People Served55K

105 results on file

Above Guidelines4

View Report →

Maricopa

People Served51K

117 results on file

Above Guidelines3

View Report →

Litchfield Park

People Served51K

115 results on file

Above Guidelines7

View Report →

Goodyear

People Served50K

122 results on file

Above Guidelines8

View Report →

Kingman

People Served45K

23 contaminants listed, only PFAS results from EPA's UCMR 5 on file

Above Guidelines0

View Report →

Oro Valley

People Served42K

23 contaminants listed, only PFAS results from EPA's UCMR 5 on file

Above Guidelines0

View Report →

Prescott

People Served42K

108 results on file

Above Guidelines5

View Report →

El Mirage

People Served40K

117 results on file

Above Guidelines6

View Report →

San Luis

People Served40K

23 results on file

Above Guidelines0

View Report →

Sun City

People Served38K

106 results on file

Above Guidelines2

View Report →

Bullhead City

People Served36K

23 results on file

Above Guidelines2

View Report →

Surprise

People Served32K

124 results on file

Above Guidelines4

View Report →

Buckeye

People Served30K

23 contaminants listed, only PFAS results from EPA's UCMR 5 on file

Above Guidelines0

View Report →

Fountain Hills

People Served26K

109 results on file

Above Guidelines3

View Report →

Sun City West

People Served25K

106 results on file

Above Guidelines2

View Report →

Anthem

People Served24K

23 contaminants listed, only PFAS results from EPA's UCMR 5 on file

Above Guidelines0

View Report →

Nogales

People Served22K

107 results on file

Above Guidelines3

View Report →

Safford

People Served21K

110 results on file

Above Guidelines3

View Report →

Sahuarita

People Served18K

100 results on file

Above Guidelines1

View Report →

Somerton

People Served18K

96 results on file

Above Guidelines1

View Report →

Rio Rico

People Served18K

107 results on file

Above Guidelines6

View Report →

Payson

People Served18K

106 results on file

Above Guidelines5

View Report →

Show Low

People Served17K

107 results on file

Above Guidelines2

View Report →

Douglas

People Served17K

114 results on file

Above Guidelines2

View Report →

Grand Canyon Village

People Served17K

93 results on file

Above Guidelines2

View Report →

Flowing Wells

People Served16K

116 results on file

Above Guidelines5

View Report →

Florence

People Served16K

114 results on file

Above Guidelines4

View Report →

Vail

People Served16K

114 results on file

Above Guidelines4

View Report →

Paradise Valley

People Served14K

103 results on file

Above Guidelines2

View Report →

Cottonwood

People Served12K

114 results on file

Above Guidelines2

View Report →

Marana

People Served11K

114 results on file

Above Guidelines7

View Report →

Oracle

People Served10K

30 results on file

Above Guidelines2

View Report →

Winslow

People Served10K

64 results on file

Above Guidelines0

View Report →

Sierra Vista

People Served9K

104 results on file

Above Guidelines1

View Report →

Doney Park

People Served9K

103 results on file

Above Guidelines2

View Report →

Eloy

People Served9K

103 results on file

Above Guidelines2

View Report →

Green Valley

People Served9K

102 results on file

Above Guidelines3

View Report →

Bisbee

People Served9K

86 results on file

Above Guidelines1

View Report →

Pine

People Served8K

23 contaminants listed, only PFAS results from EPA's UCMR 5 on file

Above Guidelines0

View Report →

Cave Creek

People Served7K

110 results on file

Above Guidelines3

View Report →

Tolleson

People Served7K

100 results on file

Above Guidelines1

View Report →

Benson

People Served6K

103 results on file

Above Guidelines2

View Report →

Holbrook

People Served5K

103 results on file

Above Guidelines0

View Report →

Eagar

People Served5K

106 results on file

Above Guidelines4

View Report →

Clarkdale

People Served5K

105 results on file

Above Guidelines1

View Report →

Cordes Lakes

People Served4K

91 results on file

Above Guidelines4

View Report →

Taylor

People Served4K

No contaminant results on file

Above Guidelines0

View Report →

Morenci

People Served4K

86 results on file

Above Guidelines0

View Report →

Topock

People Served4K

23 results on file

Above Guidelines0

View Report →

Saint Johns

People Served4K

72 results on file

Above Guidelines2

View Report →

St. Johns

People Served4K

72 results on file

Above Guidelines2

View Report →

Willcox

People Served4K

98 results on file

Above Guidelines1

View Report →

Carefree

People Served4K

114 results on file

Above Guidelines5

View Report →

Pima

People Served4K

50 results on file

Above Guidelines2

View Report →

Mohave Valley

People Served4K

86 results on file

Above Guidelines0

View Report →

Pinetop

People Served3K

91 results on file

Above Guidelines3

View Report →

Bagdad

People Served3K

90 results on file

Above Guidelines4

View Report →

Williams

People Served3K

76 results on file

Above Guidelines1

View Report →

Quartzsite

People Served3K

11 results on file

Above Guidelines5

View Report →

Chino Valley

People Served3K

12 results on file

Above Guidelines4

View Report →

Chandler Heights

People Served3K

20 contaminants listed, record not matched to an EPA water system

Above Guidelines0

View Report →

Wellton

People Served2K

81 results on file

Above Guidelines5

View Report →

Tubac

People Served2K

82 results on file

Above Guidelines2

View Report →

Dolan Springs

People Served2K

7 results on file

Above Guidelines2

View Report →

Ash Fork

People Served2K

9 results on file

Above Guidelines3

View Report →

Peach Springs

People Served2K

No contaminant results on file

Above Guidelines0

View Report →

Springerville

People Served2K

83 results on file

Above Guidelines4

View Report →

Kearny

People Served2K

9 results on file

Above Guidelines2

View Report →

Gila Bend

People Served2K

8 results on file

Above Guidelines2

View Report →

Parker

People Served2K

85 results on file

Above Guidelines4

View Report →

Congress

People Served2K

71 results on file

Above Guidelines2

View Report →

Ajo

People Served2K

2 results on file

Above Guidelines0

View Report →

Second Mesa

People Served2K

No contaminant results on file

Above Guidelines0

View Report →

Huachuca City

People Served2K

83 results on file

Above Guidelines0

View Report →

Tuba City

People Served2K

No contaminant results on file

Above Guidelines0

View Report →

Paulden

People Served2K

6 results on file

Above Guidelines1

View Report →

Tusayan

People Served2K

78 results on file

Above Guidelines1

View Report →

Clifton

People Served2K

41 results on file

Above Guidelines0

View Report →

Tombstone

People Served2K

No contaminant results on file

Above Guidelines0

View Report →

Joseph City

People Served2K

80 results on file

Above Guidelines3

View Report →

Many Farms

People Served2K

No contaminant results on file

Above Guidelines0

View Report →

Sunsites

People Served1K

91 results on file

Above Guidelines2

View Report →

Fredonia

People Served1K

No contaminant results on file

Above Guidelines0

View Report →

Kykotsmovi

People Served1K

No contaminant results on file

Above Guidelines0

View Report →

Showing top 100 of 192 cities by population.

Use the search box above to find any city in Arizona.

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