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EWG's Tap Water Database — 2021 UPDATE

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Naphthalene

Porter SUD

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.

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52

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND20ND
2015ND150ND
2016ND70ND
2017ND60ND
2018ND110ND
2019ND110ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-04AC45570ND
2014-07-08AC59005ND
2015-04-13AC88025ND
2015-04-13AC88023ND
2015-04-13AC88024ND
2015-04-13AC88022ND
2015-04-13AC87989ND
2015-04-13AC87995ND
2015-04-13AC87983ND
2015-04-13AC87991ND
2015-04-13AC88001ND
2015-04-13AC88005ND
2015-06-15AC96098ND
2015-09-30AD09108ND
2015-09-30AD09106ND
2015-11-19AD14236ND
2015-11-19AD14238ND
2016-01-12AD17678ND
2016-01-12AD17677ND
2016-01-12AD17618ND
2016-01-12AD17620ND
2016-01-12AD17608ND
2016-01-12AD17602ND
2016-01-12AD17610ND
2017-01-19AD65761ND
2017-01-19AD65894ND
2017-01-19AD65751ND
2017-01-19AD65767ND
2017-01-19AD65769ND
2017-10-11AE00408ND
2018-01-09AE08454ND
2018-01-09AE08455ND
2018-01-09AE08391ND
2018-01-09AE08367ND
2018-01-09AE08369ND
2018-01-09AE08409ND
2018-04-05AE21509ND
2018-08-31AE39192ND
2018-08-31AE39195ND
2018-10-10AE43324ND
2018-11-26AE46856ND
2019-01-23AE51041ND
2019-01-23AE51042ND
2019-01-23AE51043ND
2019-01-23AE50961ND
2019-01-23AE50955ND
2019-01-23AE50953ND
2019-01-23AE50951ND
2019-01-23AE50957ND
2019-04-08AE61484ND
2019-07-26AE76284ND
2019-10-15AE86687ND