Know Your Environment. Protect Your Health.

Silver

City of Spokane

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

All test results

Date Lab ID Result
2018-07-17ND
2018-07-17ND
2018-07-17ND
2019-07-23ND
2019-07-23ND
2022-07-264319386ND
2022-07-264319385ND
2023-07-254507717ND
2023-07-254507718ND