Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Naphthalene

Somersworth Water Works

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.

 

10

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
2014ND40ND
2015ND10ND
2016ND10ND
2017ND20ND
2018ND10ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-05-19A402502001ND
2014-05-19A402502001ND
2014-08-28A407278002ND
2014-08-28A407278002ND
2015-09-241509-01918-001ND
2016-08-181608-02223-001ND
2017-05-161705-02095-001ND
2017-08-081708-01179-001ND
2018-09-181809-02394-001ND
2019-08-271908-03784-001ND