Know Your Environment. Protect Your Health.

Silver

Calhoun Water System

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
2018ND40ND
2019N/A00N/A
2020N/A00N/A
202114.0 ppb21ND - 28.0 ppb
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2018-06-0435396663001ND
2018-06-0435396663002ND
2018-06-0435396663001ND
2018-06-0435396663002ND
2021-05-26B2102496-001ND
2021-05-26B2102496-00228.0 ppb