Know Your Environment. Protect Your Health.

Silver

Stanwood Water Department City Of

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.

 

4

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
2019ND20ND
2020N/A00N/A
2021ND10ND
2022ND10ND
2023N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2019-06-06ND
2019-07-01ND
2021-06-074169918ND
2022-09-124344375ND