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EWG's Tap Water Database — 2021 UPDATE

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Naphthalene

Clay Water Supply Corporation

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
2014ND20ND
2015ND10ND
2016ND10ND
2017ND20ND
2018ND10ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-12AC53772ND
2014-05-12AC53842ND
2015-07-30AD01840ND
2016-03-03AD26917ND
2017-01-31AD67846ND
2017-01-31AD67955ND
2018-06-19AE30475ND
2019-02-12AE54096ND