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EWG's Tap Water Database — 2021 UPDATE

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Naphthalene

Sw Boone County Water Association

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.

MORE ABOUT THIS CONTAMINANT

 

34

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND60ND
2016ND50ND
2017ND60ND
2018ND50ND
2019ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-2114023003601ND
2014-04-2914121003107ND
2014-04-2914121003109ND
2014-06-1014163009001ND
2014-08-1914233003807ND
2014-08-1914233003809ND
2014-10-2814303006502ND
2014-10-2814303006501ND
2015-01-2715029009302ND
2015-03-1615078004401ND
2015-04-2815120005601ND
2015-04-2815120005602ND
2015-07-2815210001001ND
2015-10-2815302004401ND
2016-01-2116025006901ND
2016-05-1716140011102ND
2016-05-1716140011101ND
2016-07-1816203007401ND
2016-11-1516321009801ND
2017-02-0617040000701ND
2017-04-2517117003407ND
2017-04-2517117003409ND
2017-07-2517207001908ND
2017-07-2517207001906ND
2017-10-2517299005901ND
2018-01-2418025010402ND
2018-05-0818129001701ND
2018-05-0818129001702ND
2018-07-3118213007301ND
2018-10-3018304001501ND
2019-01-2919031007301ND
2019-04-3019122005502ND
2019-04-3019122005501ND
2019-07-2319205003401ND