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EWG's Tap Water Database

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Naphthalene

East Cherry Creek Valley Water and Sanitation District

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.

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010ND120ND
2011N/A00N/A
2012ND140ND
2013ND20ND
2014N/A00N/A
2015N/A00N/A

ppb = parts per billion.

All test results

Date Result
2010-07-21ND
2010-07-21ND
2010-07-21ND
2010-07-22ND
2010-07-22ND
2010-07-22ND
2010-07-22ND
2010-07-22ND
2010-07-27ND
2010-07-27ND
2010-07-27ND
2010-07-27ND
2012-04-12ND
2012-04-12ND
2012-04-13ND
2012-04-19ND
2012-04-23ND
2012-04-26ND
2012-04-26ND
2012-05-04ND
2012-05-10ND
2012-05-17ND
2012-05-17ND
2012-05-25ND
2012-07-13ND
2012-10-25ND
2013-06-05ND
2013-07-17ND