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EWG's Tap Water Database — 2021 UPDATE

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Naphthalene

Arrowhead Lake & Frontier Lake

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND20ND
2016ND40ND
2017ND20ND
2018ND20ND
2019ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2015-12-09AD16245ND
2015-12-09AD16247ND
2016-02-04AD22117ND
2016-02-04AD22115ND
2016-02-04AD22269ND
2016-02-04AD22267ND
2017-03-16AD75490ND
2017-03-16AD75496ND
2018-07-10AE32808ND
2018-07-10AE32820ND
2019-09-17AE83847ND
2019-09-17AE83845ND
2019-09-17AE83891ND
2019-09-17AE83893ND