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EWG's Tap Water Database — 2021 UPDATE

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Naphthalene

Mount Houston Road Municipal Utility 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.

 

19

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
2015ND40ND
2016ND50ND
2017ND30ND
2018ND40ND
2019ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2015-08-06AD03066ND
2015-08-06AD03067ND
2015-08-06AD02978ND
2015-10-28AD12014ND
2016-03-29AD31060ND
2016-03-29AD30922ND
2016-03-29AD30934ND
2016-06-21AD41423ND
2016-06-21AD41381ND
2017-05-30AD86007ND
2017-05-30AD85901ND
2017-09-14AD96269ND
2018-06-18AE30335ND
2018-06-18AE30332ND
2018-06-18AE30242ND
2018-06-18AE30246ND
2019-07-15AE74417ND
2019-07-15AE74492ND
2019-07-15AE74415ND