Know Your Environment. Protect Your Health.

Silver

City of Santa Rosa

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-19AE18825ND
2019-03-25AE59687ND
2020-03-19AF03747ND
2021-05-10AF52888ND
2022-01-31AF82457ND
2023-07-19AG49257ND