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EWG's Tap Water Database — 2019 UPDATE

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Naphthalene

Harris County MUD 165

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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND30ND
2014ND20ND
2015ND90ND
2016ND40ND
2017ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-01-11AB77576ND
2012-01-11AB77577ND
2013-06-13AC22099ND
2013-06-13AC22142ND
2013-06-13AC22097ND
2014-07-16AC59843ND
2014-07-16AC59847ND
2015-05-27AC93466ND
2015-05-27AC93470ND
2015-05-27AC93425ND
2015-05-27AC93397ND
2015-05-27AC93395ND
2015-09-09AD06257ND
2015-09-09AD06255ND
2015-11-10AD13188ND
2015-11-10AD13186ND
2016-03-21AD29639ND
2016-03-21AD29633ND
2016-03-21AD29673ND
2016-03-21AD29762ND
2017-05-04AD82785ND
2017-05-04AD82787ND
2017-05-04AD82793ND