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EWG's Tap Water Database — 2021 UPDATE

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Naphthalene

Groton Utilities

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.

 

6

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
2014ND10ND
2015ND10ND
2016ND10ND
2017ND10ND
2018ND10ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-10-2319670VOC1ND
2015-10-1521602VOC1ND
2016-10-2723873VOC1ND
2017-10-2626178VOC1ND
2018-11-2928429VOC1ND
2019-11-2030565VOC1ND