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EWG's Tap Water Database — 2019 UPDATE

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Naphthalene

Plymouth Water Department

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.

 

31

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014N/A00N/A
2015ND100ND
2016ND100ND
2017ND110ND

ppb = parts per billion

All test results

Date Result
2015-11-24ND
2015-11-24ND
2015-11-24ND
2015-11-24ND
2015-11-24ND
2015-11-24ND
2015-11-24ND
2015-11-24ND
2015-11-24ND
2015-12-14ND
2016-10-05ND
2016-10-05ND
2016-10-05ND
2016-10-05ND
2016-10-05ND
2016-10-05ND
2016-10-05ND
2016-10-05ND
2016-10-05ND
2016-11-21ND
2017-01-24ND
2017-12-07ND
2017-12-07ND
2017-12-07ND
2017-12-07ND
2017-12-07ND
2017-12-07ND
2017-12-07ND
2017-12-07ND
2017-12-07ND
2017-12-07ND