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EWG's Tap Water Database — 2021 UPDATE

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Naphthalene

Concordia PWS

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.

 

6

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
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-06AC23892ND
2015-05-11AC47259ND
2016-05-16AC72756ND
2017-05-16AC96464ND
2018-05-29AD20661ND
2019-05-13AD47634ND