Know Your Environment. Protect Your Health.

Silver

Port Angeles Composite

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.

 

5

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

All test results

Date Lab ID Result
2019-05-30ND
2021-04-224107052ND
2022-05-094284322ND
2022-05-094284323ND
2023-08-234504545ND