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EWG's Tap Water Database — 2021 UPDATE

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Silver

City of Idalou

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.

 

8

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
2015ND10ND
2016ND30ND
2017N/A00N/A
2018ND10ND
2019ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2015-06-23Q1523309003ND
2016-03-08Q1609690007ND
2016-03-08Q1609690008ND
2016-09-08Q1636371006ND
2018-03-21Q1811486003ND
2019-01-30Q1904476002ND
2019-04-10Q1914418010ND
2019-09-11Q1963950008ND