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EWG's Tap Water Database — 2021 UPDATE

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Naphthalene

Parkers Chapel

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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36

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND50ND
2016ND100ND
2017ND60ND
2018ND40ND
2019ND60ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-1514016012002ND
2014-04-2914121002602ND
2014-11-1214317002602ND
2014-11-1214317002702ND
2014-12-0114338005802ND
2015-03-1015071003502ND
2015-06-2415176001502ND
2015-10-1415289009802ND
2015-10-1415289009602ND
2015-11-0415309004601ND
2016-01-1216015008107ND
2016-01-1216015007802ND
2016-03-1416077001401ND
2016-04-1116105005002ND
2016-04-1116105005202ND
2016-07-1316196014202ND
2016-10-1216287000308ND
2016-10-1216287000208ND
2016-10-2516301003209ND
2016-10-2516301003207ND
2017-02-1417046004902ND
2017-04-2517117000902ND
2017-04-2517117001102ND
2017-10-1117285000302ND
2017-10-1117285000202ND
2017-10-1117285000402ND
2018-04-3018123005102ND
2018-04-3018123005202ND
2018-10-1018284000302ND
2018-10-1018284000402ND
2019-01-1619017000507ND
2019-05-1319136000702ND
2019-05-1319136000902ND
2019-10-2919303000606ND
2019-10-2919303000608ND
2019-10-2919303000706ND