Know Your Environment. Protect Your Health.

Silver

City of Yakima Water Division

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020N/A00N/A
2021ND10ND
2022ND30ND
2023N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-12ND
2019-03-18ND
2019-06-01ND
2021-01-264071143ND
2022-01-264240350ND
2022-08-164333110ND
2022-08-234359790ND