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EWG's Tap Water Database — 2021 UPDATE

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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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND60ND
2016N/A00N/A
2017N/A00N/A
2018ND140ND
2019N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2015-08-0335200643003ND
2015-08-0335200643002ND
2015-08-0335200643001ND
2015-08-0335200643001ND
2015-08-0335200643002ND
2015-08-0335200643003ND
2018-04-16AE21355ND
2018-04-16AE21358ND
2018-04-16AE21361ND
2018-04-16AE21361ND
2018-04-16AE21358ND
2018-04-16AE21355ND
2018-08-1335410989001ND
2018-08-1335410989004ND
2018-08-1335410989003ND
2018-08-1335410989002ND
2018-08-1335410989001ND
2018-08-1335410989004ND
2018-08-1335410989003ND
2018-08-1335410989002ND