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EWG's Tap Water Database — 2021 UPDATE

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Naphthalene

South Saint Paul

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
2014ND10ND
2015N/A00N/A
2016ND10ND
2017ND30ND
2018ND40ND
2019ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-12-0214L0044-04ND
2016-07-183495872ND
2017-07-1017G0315-01ND
2017-07-1017G0315-02ND
2017-07-1017G0315-03ND
2018-01-0318A0012-02ND
2018-05-1018E0892-01ND
2018-08-2418H2147-01ND
2018-10-1818J0909-01ND
2019-01-1419A0377-01ND