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EWG's Tap Water Database — 2021 UPDATE

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Naphthalene

Homer

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
20140.533 ppb61ND - 3.20 ppb
2015ND10ND
2016ND10ND
2017ND10ND
2018ND10ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-08AI26176ND
2014-01-08AI26177ND
2014-01-08AI261783.20 ppb
2014-04-14AI37968ND
2014-07-08AI45055ND
2014-10-16AI57749ND
2015-01-12AI62652ND
2017-02-21AJ46800ND