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EWG's Tap Water Database — 2019 UPDATE

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Silver

Newhall CWD-Newhall

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
2012ND20ND
2013ND20ND
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-04-129590-006-0830ND
2012-04-129590-007-1150ND
2013-04-119590-006-0835ND
2013-04-119590-007-0855ND
2014-04-109590-007-0936ND
2014-05-299590-006-0955ND
2015-04-299590-006-1120ND
2015-04-299590-007-1145ND
2016-04-149590-006-1105ND
2016-04-149590-007-1045ND
2017-04-139590-006-0940ND
2017-04-139590-007-0911ND