Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Naphthalene

Maryville

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND10ND
2017ND10ND
2018ND10ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-10AC20651ND
2015-03-09AC44238ND
2016-03-07AC68293ND
2017-03-13AC92698ND
2018-03-12AD17154ND
2019-03-13AD41137ND