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EWG's Tap Water Database — 2021 UPDATE

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Silver

Pritchett Water Supply Corporation

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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND100ND
2015N/A00N/A
20160.947 ppb32ND - 2.20 ppb
2017ND100ND
2018N/A00N/A
2019ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-22Q1402022011ND
2014-01-22Q1402022010ND
2014-01-22Q1402022009ND
2014-01-22Q1402022008ND
2014-01-22Q1402022007ND
2014-06-25Q1423783023ND
2014-06-25Q1423783022ND
2014-06-25Q1423783021ND
2014-06-25Q1423783020ND
2014-06-25Q1423783019ND
2016-10-24Q16450660220.640 ppb
2016-10-24Q1645066030ND
2016-10-24Q16450660032.20 ppb
2017-03-02Q1709045002ND
2017-06-13Q1724796001ND
2017-08-29Q1739153017ND
2017-08-29Q1739153004ND
2017-08-29Q1739153016ND
2017-08-29Q1739153003ND
2017-08-29Q1739153015ND
2017-08-29Q1739153002ND
2017-08-29Q1739153014ND
2017-08-30Q1739907012ND
2019-10-15Q1972651008ND
2019-10-15Q1972651009ND
2019-10-15Q1972651040ND