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EWG's Tap Water Database — 2019 UPDATE

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Naphthalene

Galveston County WCID 1

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.

 

36

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND30ND
2013ND60ND
2014ND60ND
2015ND60ND
2016ND80ND
2017ND70ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-02-01AB79856ND
2012-02-01AB79858ND
2012-02-01AB79854ND
2013-02-05AC09708ND
2013-02-05AC09706ND
2013-02-05AC09710ND
2013-02-05AC09731ND
2013-02-05AC09727ND
2013-02-05AC09730ND
2014-01-30AC40931ND
2014-01-30AC40930ND
2014-01-30AC40932ND
2014-06-03AC55813ND
2014-06-03AC55811ND
2014-06-03AC55805ND
2015-01-15AC76585ND
2015-01-15AC76584ND
2015-01-15AC76586ND
2015-01-15AC76456ND
2015-01-15AC76466ND
2015-01-15AC76462ND
2016-01-26AD20199ND
2016-01-26AD20198ND
2016-01-26AD20090ND
2016-01-26AD20084ND
2016-06-27AD41911ND
2016-06-27AD41974ND
2016-09-29AD52074ND
2016-11-29AD59385ND
2017-01-26AD67323ND
2017-01-26AD67325ND
2017-01-26AD67324ND
2017-01-26AD67185ND
2017-01-26AD67177ND
2017-01-26AD67201ND
2017-04-25AD81207ND