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EWG's Tap Water Database — 2021 UPDATE

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Naphthalene

SJWTX Triple Peak Plant

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.

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85

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
2014ND90ND
2015ND140ND
2016ND140ND
2017ND190ND
2018ND160ND
2019ND130ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-31AC48831ND
2014-03-31AC48694ND
2014-04-17AC51170ND
2014-04-17AC51098ND
2014-06-24AC57862ND
2014-06-24AC57808ND
2014-06-24AC57804ND
2014-06-24AC57812ND
2014-07-24AC60887ND
2015-01-16AC76870ND
2015-06-03AC94481ND
2015-06-03AC94485ND
2015-06-03AC94482ND
2015-06-03AC94486ND
2015-06-03AC94484ND
2015-06-03AC94483ND
2015-06-03AC94443ND
2015-06-03AC94413ND
2015-06-03AC94433ND
2015-06-03AC94415ND
2015-08-05AD02661ND
2015-11-03AD12442ND
2015-11-03AD12401ND
2016-01-26AD20201ND
2016-01-26AD20202ND
2016-01-26AD20094ND
2016-01-26AD20098ND
2016-01-26AD20106ND
2016-03-18AD29753ND
2016-04-22AD33995ND
2016-04-22AD34074ND
2016-04-22AD34075ND
2016-07-26AD45806ND
2016-07-26AD45733ND
2016-07-26AD45721ND
2016-12-01AD60033ND
2016-12-01AD59882ND
2017-02-01AD68127ND
2017-02-01AD68206ND
2017-02-01AD68204ND
2017-02-01AD68205ND
2017-02-01AD68207ND
2017-02-01AD68121ND
2017-05-03AD82868ND
2017-05-03AD82811ND
2017-05-03AD82809ND
2017-05-31AD86245ND
2017-05-31AD86169ND
2017-05-31AD86145ND
2017-05-31AD86143ND
2017-05-31AD86159ND
2017-06-26AD87809ND
2017-06-26AD87805ND
2017-07-27AD91197ND
2017-07-27AD91116ND
2017-07-27AD91124ND
2018-02-06AE12596ND
2018-04-23AE23587ND
2018-04-23AE23581ND
2018-04-23AE23473ND
2018-04-23AE23479ND
2018-06-20AE30798ND
2018-06-20AE30756ND
2018-06-20AE30750ND
2018-06-20AE30754ND
2018-06-20AE30848ND
2018-06-20AE30849ND
2018-07-24AE34343ND
2018-08-27AE38572ND
2018-08-27AE38540ND
2018-11-06AE45479ND
2018-11-06AE45441ND
2019-02-12AE54209ND
2019-02-12AE54211ND
2019-02-12AE54221ND
2019-02-12AE54220ND
2019-05-22AE67804ND
2019-05-22AE67691ND
2019-05-22AE67685ND
2019-05-22AE67687ND
2019-05-22AE67689ND
2019-06-18AE71224ND
2019-06-18AE71128ND
2019-07-01AE72854ND
2019-07-01AE72969ND