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EWG's Tap Water Database — 2021 UPDATE

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Silver

Metropolitan District Commission

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.

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42

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
2014ND70ND
2015ND70ND
2016ND70ND
2017ND70ND
2018ND70ND
2019ND70ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-09-17AC77040GEND
2014-09-17AC77041GEND
2014-09-17AC77043GEND
2014-09-17AC77044GEND
2014-09-17AC77045GEND
2014-09-17AC77046GEND
2014-09-17AC77039GEND
2015-09-09AD09451GEND
2015-09-09AD09452GEND
2015-09-09AD09454GEND
2015-09-09AD09453GEND
2015-09-09AD09446GEND
2015-09-09AD09444GEND
2015-09-09AD09445GEND
2016-08-18AD38610GEND
2016-08-18AD38609GEND
2016-08-18AD38611GEND
2016-08-18AD38617GEND
2016-08-18AD38616GEND
2016-08-18AD38613GEND
2016-08-18AD38612GEND
2017-08-14AD78146GEND
2017-08-14AD78150GEND
2017-08-14AD78149GEND
2017-08-14AD78154GEND
2017-08-14AD78148GEND
2017-08-14AD78147GEND
2017-08-14AD78153GEND
2018-07-18AE01637GEND
2018-07-18AE01636GEND
2018-07-18AE01641GEND
2018-07-18AE01640GEND
2018-07-18AE01632GEND
2018-07-18AE01630GEND
2018-07-18AE01631GEND
2019-12-03CE70740ND
2019-12-03CE70739ND
2019-12-03CE70741ND
2019-12-03CE70733ND
2019-12-03CE70734ND
2019-12-03CE70736ND
2019-12-03CE70735ND