Know Your Environment. Protect Your Health.

Silver

Tempe Water Supply Corporation 1

Silver occurs naturally in surface and groundwater and can be added to water as a biocide that inhibits growth of bacteria and algae. Increasingly, the use of antimicrobial nano-sized silver particles in consumer products contributes to silver in water sources used for drinking water.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND10ND
2020ND10ND
2021ND20ND
2022ND10ND
2023ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-13AE13488ND
2018-02-13AE13490ND
2019-02-26AE55867ND
2020-02-12AE98069ND
2021-01-27AF41263ND
2021-01-27AF41265ND
2022-02-09AF83925ND
2023-02-16AG29247ND