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EWG's Tap Water Database — 2021 UPDATE

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Naphthalene

Altheimer

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND10ND
2017ND10ND
2018ND10ND
2019ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-07-1514198010101ND
2015-08-1015225008001ND
2016-05-2316147000501ND
2017-08-3017242002401ND
2018-08-2018235005301ND
2019-04-1619108006101ND
2019-07-1719198000501ND
2019-09-0919255002507ND