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EWG's Tap Water Database — 2021 UPDATE

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Naphthalene

Harris County Municipal Utility District 130

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
2014ND10ND
2015ND20ND
2016ND40ND
2017ND30ND
2018ND20ND
2019ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-12AC46844ND
2015-02-23AC81453ND
2015-02-23AC81529ND
2016-02-08AD22449ND
2016-02-08AD22576ND
2016-09-27AD51564ND
2016-11-21AD58952ND
2017-02-07AD69220ND
2017-02-07AD69398ND
2017-05-10AD83809ND
2018-02-01AE11933ND
2018-05-09AE26012ND
2019-02-12AE54126ND
2019-02-12AE54190ND