Know Your Environment. Protect Your Health.

Silver

St John Water District 3

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019N/A00N/A
2020N/A00N/A
2021ND20ND
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2018-10-2335426200001ND
2018-10-2335426200002ND
2018-10-2335426200001ND
2018-10-2335426200002ND
2018-12-0335435070001ND
2018-12-0335435070002ND
2018-12-0335435070001ND
2018-12-0335435070002ND
2021-10-20B2105640-002ND
2021-12-21B2106780-001ND