Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Silver

Town of Iota 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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND60ND
2013N/A00N/A
2014N/A00N/A
2015ND60ND
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2012-06-25AD66824ND
2012-06-25AD66824ND
2012-07-09AD67346ND
2012-07-09AD67341ND
2012-07-09AD67341ND
2012-07-09AD67346ND
2015-08-0335200643003ND
2015-08-0335200643002ND
2015-08-0335200643001ND
2015-08-0335200643003ND
2015-08-0335200643002ND
2015-08-0335200643001ND