Know Your Environment. Protect Your Health.

Silver

Norwalk First Taxing 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.

 

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
2018-05-10214-13237IOC1ND
2019-09-24214-15434IOC1ND
2020-10-08214-17218IOC1ND
2021-03-11214-17908IOC1ND
2022-04-21214-19948IOC1ND
2023-04-13214-21975IOC1ND