Naphthalene

Mashpee Water District

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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Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2013	N/A	0	N/A
2014	N/A	0	N/A
2015	ND	7	ND
2016	ND	7	ND
2017	ND	7	ND
2018	ND	7	ND
2019	ND	5	ND

ppb = parts per billion

All test results

Date	Result
2015-08-11	ND
2015-08-11	ND
2015-08-11	ND
2015-08-11	ND
2015-08-11	ND
2015-08-11	ND
2015-08-11	ND
2016-07-28	ND
2016-07-28	ND
2016-07-28	ND
2016-07-28	ND
2016-07-28	ND
2016-07-28	ND
2016-07-28	ND
2017-08-04	ND
2017-08-04	ND
2017-08-04	ND
2017-08-04	ND
2017-08-04	ND
2017-08-04	ND
2017-08-04	ND
2018-08-06	ND
2018-08-06	ND
2018-08-06	ND
2018-08-06	ND
2018-08-06	ND
2018-08-06	ND
2018-08-06	ND
2019-07-23	ND
2019-07-23	ND
2019-07-23	ND
2019-07-23	ND
2019-07-23	ND