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EWG's Tap Water Database — 2021 UPDATE

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Naphthalene

Montgomery County Municipal Utility District 15

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND10ND
2016ND20ND
2017ND10ND
2018ND10ND
2019ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2015-05-26AC93302ND
2016-11-03AD56470ND
2016-11-03AD56563ND
2017-07-25AD90603ND
2018-06-28AE32025ND
2019-08-01AE76848ND
2019-08-01AE76907ND