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EWG's Tap Water Database — 2019 UPDATE

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Naphthalene

Johnson Creek

Naphthalene is a polycyclic aromatic hydrocarbon, or PAH, released from combustion of fossil fuels and waste incinerators, and also used as a moth repellent. PAHs increase the risk of cancer; damage the immune, nervous and reproductive systems; and can harm developing fetuses.

 

3

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
2014N/A00N/A
2015ND10ND
2016ND10ND
2017N/A00N/A

ppb = parts per billion

All test results

Date Lab ID Result
2012-08-27113581.01ND
2015-07-27146172.01ND
2016-09-28161021.01ND