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EWG's Tap Water Database — 2021 UPDATE

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Silver

City of Lawrence

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
2013N/A00N/A
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND
2018ND20ND
2019ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-04-1798229ND
2014-04-1798230ND
2015-04-21316463ND
2015-04-21316510ND
2016-05-04538519ND
2016-05-04538522ND
2017-04-25746983ND
2017-04-25746985ND
2018-05-02938151ND
2018-05-02938152ND
2019-04-151138990ND
2019-04-151138991ND