Know Your Environment. Protect Your Health.

Silver

St Charles Water District 1 East Bank

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND40ND
2020ND20ND
2021ND20ND
2022ND20ND
2023ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-2335370117001ND
2018-01-2335370117001ND
2019-01-2235444037001ND
2019-01-2235444038001ND
2019-01-2235444037001ND
2019-01-2235444038001ND
2020-03-05B2001217-001ND
2020-03-05B2001217-002ND
2021-01-28B2100471-001ND
2021-01-28B2100471-002ND
2022-02-02B2200526-001ND
2022-02-02B2200526-002ND
2023-03-20B2301172-001ND
2023-03-20B2301172-002ND