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EWG's Tap Water Database — 2021 UPDATE

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Naphthalene

Travis County Municipal Utility District 4

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.

 

27

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND40ND
2016ND110ND
2017ND30ND
2018ND30ND
2019ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-17AC47199ND
2014-08-28AC65350ND
2015-09-16AD07464ND
2015-09-16AD07415ND
2015-12-03AD15478ND
2015-12-03AD15543ND
2016-03-09AD28045ND
2016-03-09AD28048ND
2016-03-09AD27947ND
2016-06-15AD40836ND
2016-06-15AD40835ND
2016-06-15AD40768ND
2016-09-07AD48228ND
2016-09-07AD48227ND
2016-09-07AD48198ND
2016-09-07AD48196ND
2016-10-31AD55674ND
2017-01-30AD67680ND
2017-05-02AD82214ND
2017-08-10AD92779ND
2018-02-15AE14083ND
2018-08-13AE36720ND
2018-08-13AE36646ND
2019-02-14AE54684ND
2019-02-14AE54681ND
2019-02-14AE54602ND
2019-08-20AE79613ND