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EWG's Tap Water Database — 2021 UPDATE

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Naphthalene

Northwest Park MUD

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.

 

23

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
2014N/A00N/A
2015ND50ND
2016ND50ND
2017ND40ND
2018ND50ND
2019ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2015-09-15AD07187ND
2015-09-15AD07190ND
2015-09-15AD07117ND
2015-09-15AD07121ND
2015-09-15AD07133ND
2016-08-03AD46923ND
2016-08-03AD46879ND
2016-08-03AD46881ND
2016-08-03AD46883ND
2016-11-15AD58081ND
2017-04-28AD81834ND
2017-04-28AD81840ND
2017-04-28AD81862ND
2017-04-28AD81854ND
2018-06-07AE29064ND
2018-06-07AE29063ND
2018-06-07AE29031ND
2018-06-07AE29025ND
2018-06-07AE29027ND
2019-07-25AE76054ND
2019-07-25AE76005ND
2019-07-25AE76007ND
2019-12-19AE92875ND