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EWG's Tap Water Database — 2019 UPDATE

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Silver

Lebanon

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.

 

27

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
2013ND60ND
2014N/A00N/A
2015N/A00N/A
2016ND130ND
2017ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-01-26AB63905ND
2012-04-25AB69351ND
2012-07-24AB78348ND
2012-10-18AB85074ND
2013-02-19AB92163ND
2013-02-19AB92164ND
2013-02-19AB92165ND
2013-02-19AB92166ND
2013-02-19AB92167ND
2013-02-19AB92168ND
2016-02-29AC66564ND
2016-02-29AC66563ND
2016-02-29AC66566ND
2016-02-29AC66568ND
2016-02-29AC66569ND
2016-02-29AC66565ND
2016-02-29AC66567ND
2016-03-25AC69046ND
2016-03-25AC69033ND
2016-04-04AC70292ND
2016-04-04AC70293ND
2016-08-02AC80038ND
2016-10-12AC85441ND
2017-01-30AC89314ND
2017-04-17AC94652ND
2017-07-18AD01718ND
2017-10-24AD08055ND