Know Your Environment. Protect Your Health.

Silver

California Water Service Company Oak Hills

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
2019ND20ND
2020N/A00N/A
20211.50 ppb111.50 ppb
2022ND20ND
2023N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2019-06-19CA2710019_008_008-201906191328ND
2019-09-12CA2710019_003_003-201909121359ND
2021-06-29CA2710019_001_001-2021062913451.50 ppb
2022-06-22CA2710019_008_008-202206221336ND
2022-09-22CA2710019_003_003-202209221415ND