Naphthalene

City of Moses Lake

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	N/A	0	N/A
2015	ND	1	ND
2016	ND	7	ND
2017	ND	12	ND
2018	ND	5	ND
2019	ND	7	ND

ppb = parts per billion

All test results

Date	Lab ID	Result
2015-03-10	74810	ND
2016-03-08		ND
2016-06-20		ND
2016-06-20		ND
2016-06-20		ND
2016-06-20		ND
2016-09-20		ND
2016-09-20		ND
2017-06-20		ND
2017-06-20		ND
2017-06-20		ND
2017-06-20		ND
2017-06-20		ND
2017-06-20		ND
2017-06-20		ND
2017-06-26		ND
2017-06-26		ND
2017-06-26		ND
2017-06-26		ND
2017-11-27		ND
2018-01-31		ND
2018-04-03		ND
2018-06-28		ND
2018-09-11		ND
2018-11-06		ND
2019-03-26		ND
2019-07-09		ND
2019-07-29		ND
2019-10-01		ND
2019-11-12		ND
2019-11-12		ND
2019-12-03		ND