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EWG's Tap Water Database — 2021 UPDATE

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Naphthalene

Northcrest Ranch Water System

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND20ND
2016ND40ND
2017ND20ND
2018ND20ND
2019ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-04-10AC50148ND
2014-04-10AC50138ND
2014-06-05AC56097ND
2015-04-22AC89234ND
2015-04-22AC89232ND
2016-11-30AD59599ND
2016-11-30AD59676ND
2016-11-30AD59679ND
2016-11-30AD59617ND
2017-09-12AD95773ND
2017-09-12AD95777ND
2018-07-24AE34335ND
2018-07-24AE34333ND
2019-09-30AE85215ND
2019-09-30AE85137ND
2019-11-25AE90436ND
2019-11-25AE90475ND