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EWG's Tap Water Database — 2019 UPDATE

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Naphthalene

East Rio Hondo WSC

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND20ND
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-07-171207591005ND
2013-01-17AC08261ND
2013-09-10AC29674ND
2014-03-06AC46051ND
2014-09-09AC66293ND
2015-03-18AC85143ND
2015-09-23AD08313ND
2016-02-25AD25886ND
2016-09-27AD51521ND
2017-03-03AD73527ND
2017-09-07AD95168ND