The Power of Information

National Drinking Water Database

Uranium-238 (pCi/L) in Arizona

The Most Polluted Communities in Arizona

12 water utilities reported detecting Uranium-238 (pCi/L) in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Uranium-238 (pCi/L) level

RankSystem Population Served Positive test results of total reported tests Average Level
1Tucson Water
Tucson, AZ
675,0003 of 60.44 pCi/L
(0 to 2.6 pCi/L)
2Sherman Pines Water Co
Prescott, AZ
901 of 10.11 pCi/L
(0.11 pCi/L)
3Ponderosa Park Water Impr
Prescott, AZ
5001 of 10.1 pCi/L
(0.1 pCi/L)
4Silverbell West
Tucson, AZ
2642 of 20.07 pCi/L
(0.06 to 0.07 pCi/L)
5Vistancia Public Wtr Sys
7,6913 of 70.01 pCi/L
(0 to 0.04 pCi/L)
6City of Prescott
Prescott, AZ
40,2553 of 4<0.01 pCi/L
(0 to 0.01 pCi/L)
7City of Chandler
Chandler, AZ
180,00010 of 26<0.01 pCi/L
(0 to 0.04 pCi/L)
8City of Meza Utilities Department
Mesa, AZ
350,00013 of 31<0.01 pCi/L
(0 to 0.02 pCi/L)
9Tucson Water-Corona
Tucson, AZ
6,0001 of 4<0.01 pCi/L
(0 to 0.02 pCi/L)
10City of Scottsdale
Scottsdale, AZ
180,0003 of 15<0.01 pCi/L
(0 to 0.03 pCi/L)

Health Based Limits for Uranium-238 (pCi/L)

There are no health based standards that EWG is using for this chemical

Violation Summary for Uranium-238 (pCi/L) in Arizona

There are no violations reported for this contaminant in Arizona