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EWG's Tap Water Database — 2021 UPDATE

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Naphthalene

City of Richwood

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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34

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND50ND
2016ND70ND
2017ND50ND
2018ND50ND
2019ND70ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-07AC42036ND
2014-04-17AC51086ND
2014-04-17AC51171ND
2014-04-17AC51088ND
2014-04-17AC51096ND
2015-01-27AC77951ND
2015-01-27AC77955ND
2015-01-27AC77961ND
2015-01-27AC78000ND
2015-01-27AC78003ND
2016-01-13AD17923ND
2016-01-13AD18010ND
2016-01-13AD18007ND
2016-01-13AD18009ND
2016-01-13AD18008ND
2016-01-13AD17921ND
2016-01-13AD17895ND
2017-01-05AD63388ND
2017-01-05AD63387ND
2017-01-05AD63251ND
2017-01-05AD63229ND
2017-01-05AD63237ND
2018-02-07AE13116ND
2018-02-07AE13021ND
2018-04-05AE21513ND
2018-04-05AE21466ND
2018-04-05AE21468ND
2019-01-09AE49225ND
2019-01-09AE49239ND
2019-02-12AE54186ND
2019-02-12AE54187ND
2019-02-12AE54138ND
2019-04-01AE60755ND
2019-07-08AE73542ND