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EWG's Tap Water Database — 2019 UPDATE

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Silver

City of Wolfforth

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013N/A00N/A
2014ND80ND
2015N/A00N/A
2016N/A00N/A
2017ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-01-31AB79569ND
2014-01-30Q1403131040ND
2014-01-30Q1403131006ND
2014-01-30Q1403131007ND
2014-01-30Q1403131008ND
2014-01-30Q1403131009ND
2014-01-30Q1403131010ND
2014-01-30Q1403131011ND
2014-03-26Q1409873006ND
2017-11-30Q1761852003ND