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EWG's Tap Water Database — 2019 UPDATE

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Silver

Salt Lake City 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.

 

109

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND160ND
2013ND160ND
2014ND140ND
2015ND150ND
20160.120 ppb251ND - 3.00 ppb
2017ND230ND

ppb = parts per billion

All test results

Date Result
2012-01-25ND
2012-01-25ND
2012-01-26ND
2012-05-25ND
2012-06-01ND
2012-06-01ND
2012-06-01ND
2012-06-05ND
2012-06-05ND
2012-06-29ND
2012-06-29ND
2012-06-29ND
2012-06-29ND
2012-07-13ND
2012-07-17ND
2012-07-17ND
2013-01-18ND
2013-01-25ND
2013-01-25ND
2013-05-10ND
2013-05-15ND
2013-05-15ND
2013-05-16ND
2013-06-18ND
2013-06-18ND
2013-06-18ND
2013-06-25ND
2013-06-28ND
2013-06-28ND
2013-07-30ND
2013-07-30ND
2013-08-27ND
2014-01-10ND
2014-05-23ND
2014-05-30ND
2014-05-30ND
2014-06-03ND
2014-06-11ND
2014-06-25ND
2014-06-25ND
2014-07-01ND
2014-07-01ND
2014-07-02ND
2014-07-09ND
2014-07-09ND
2014-07-09ND
2015-01-23ND
2015-01-23ND
2015-01-30ND
2015-01-30ND
2015-02-27ND
2015-05-08ND
2015-05-15ND
2015-06-19ND
2015-06-19ND
2015-06-19ND
2015-06-19ND
2015-07-10ND
2015-07-10ND
2015-07-10ND
2015-07-17ND
2016-01-08ND
2016-01-08ND
2016-01-15ND
2016-02-12ND
2016-02-26ND
2016-03-25ND
2016-05-19ND
2016-05-19ND
2016-06-03ND
2016-06-03ND
2016-06-10ND
2016-06-10ND
2016-06-10ND
2016-06-24ND
2016-06-24ND
2016-06-24ND
2016-06-28ND
2016-06-28ND
2016-07-08ND
2016-07-08ND
2016-07-13ND
2016-07-29ND
2016-07-29ND
2016-07-29ND
2016-09-083.00 ppb
2017-01-13ND
2017-01-13ND
2017-01-20ND
2017-01-20ND
2017-03-03ND
2017-03-24ND
2017-06-09ND
2017-06-09ND
2017-06-16ND
2017-06-16ND
2017-06-16ND
2017-06-20ND
2017-06-23ND
2017-06-30ND
2017-06-30ND
2017-07-14ND
2017-07-14ND
2017-07-21ND
2017-07-21ND
2017-08-03ND
2017-08-08ND
2017-08-08ND
2017-08-22ND