Naphthalene

Bradley Waterworks

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
2014	ND	4	ND
2015	ND	4	ND
2016	ND	2	ND
2017	ND	8	ND
2018	ND	7	ND
2019	ND	8	ND

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-02-25	14058004101	ND
2014-05-27	14149000601	ND
2014-08-25	14240005802	ND
2014-08-25	14240005801	ND
2015-04-29	15120000301	ND
2015-07-07	15190007702	ND
2015-09-02	15246002701	ND
2015-09-23	15267000801	ND
2016-07-05	16189007309	ND
2016-11-21	16327002904	ND
2017-02-06	17039001508	ND
2017-04-17	17109003009	ND
2017-04-17	17109003007	ND
2017-08-01	17215004201	ND
2017-08-01	17215004106	ND
2017-08-01	17215004202	ND
2017-08-01	17215004108	ND
2017-10-23	17299001501	ND
2018-02-12	18046000301	ND
2018-05-29	18151004201	ND
2018-05-29	18151004301	ND
2018-08-13	18228002702	ND
2018-08-13	18228002901	ND
2018-08-13	18228002701	ND
2018-10-16	18291005301	ND
2019-02-25	19059000701	ND
2019-05-13	19136008101	ND
2019-07-31	19213001601	ND
2019-07-31	19213001707	ND
2019-07-31	19213001507	ND
2019-07-31	19213001508	ND
2019-08-12	19227002107	ND
2019-11-05	19311002301	ND