Know Your Environment. Protect Your Health.

Silver

Castroville Community Services District

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND30ND
2020N/A00N/A
2021ND10ND
2022ND20ND
2023N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-17CA2710005_009_009-201801170915ND
2019-01-28CA2710005_003_003-201901281035ND
2019-01-28CA2710005_005_005-201901281050ND
2019-01-28CA2710005_004_004-201901281055ND
2021-01-19CA2710005_009_009-202101190925ND
2022-01-10CA2710005_003_003-202201100900ND
2022-01-10CA2710005_005_005-202201100955ND