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EWG's Tap Water Database — 2021 UPDATE

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Benzo[a]anthracene

City of Houston

Benzo[a]anthracene is a polycyclic aromatic hydrocarbon, or PAH, released from combustion of fossil fuels and waste incinerators. PAHs increase the risk of cancer; damage the immune, nervous and reproductive systems; and can harm developing fetuses.

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163

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
2014ND140ND
2015ND360ND
2016ND260ND
2017ND260ND
2018ND390ND
2019ND220ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-03AC41128ND
2014-03-14AC47183ND
2014-03-14AC47184ND
2014-03-14AC47185ND
2014-04-16AC50928ND
2014-04-16AC50929ND
2014-04-17AC51177ND
2014-06-03AC55831ND
2014-06-03AC55826ND
2014-07-15AC59733ND
2014-07-15AC59729ND
2014-10-08AC69250ND
2014-12-18AC75488ND
2014-12-18AC75489ND
2015-03-04AC83061ND
2015-03-04AC83059ND
2015-03-05AC83064ND
2015-03-05AC83065ND
2015-03-24AC85944ND
2015-06-04AC94707ND
2015-06-04AC94705ND
2015-06-04AC94710ND
2015-06-04AC94709ND
2015-06-04AC94706ND
2015-06-04AC94708ND
2015-07-22AD00679ND
2015-07-22AD00678ND
2015-09-17AD07649ND
2015-09-17AD07648ND
2015-10-22AD11601ND
2015-10-22AD11600ND
2015-10-22AD11602ND
2015-10-22AD11596ND
2015-10-22AD11599ND
2015-10-22AD11598ND
2015-10-22AD11597ND
2015-11-12AD13457ND
2015-11-12AD13444ND
2015-11-12AD13456ND
2015-11-12AD13453ND
2015-11-12AD13443ND
2015-11-12AD13452ND
2015-11-12AD13455ND
2015-11-12AD13454ND
2015-11-16AD13699ND
2015-11-16AD13701ND
2015-11-16AD13700ND
2015-11-17AD13907ND
2015-12-08AD16048ND
2015-12-08AD16049ND
2016-03-03AD27014ND
2016-03-16AD29223ND
2016-03-16AD29222ND
2016-03-17AD29432ND
2016-03-17AD29430ND
2016-03-17AD29435ND
2016-03-17AD29433ND
2016-03-23AD30249ND
2016-03-23AD30250ND
2016-03-23AD30248ND
2016-03-23AD30251ND
2016-06-08AD39863ND
2016-06-08AD39861ND
2016-06-08AD39862ND
2016-06-08AD39860ND
2016-06-15AD40829ND
2016-06-16AD41041ND
2016-06-16AD41042ND
2016-09-20AD50459ND
2016-09-20AD50460ND
2016-09-21AD50889ND
2016-09-21AD50890ND
2016-10-06AD52704ND
2016-10-06AD52706ND
2016-10-06AD52705ND
2016-12-02AD60483ND
2017-01-26AD67327ND
2017-01-26AD67326ND
2017-02-28AD72614ND
2017-02-28AD72615ND
2017-03-01AD72883ND
2017-03-01AD72882ND
2017-03-02AD73283ND
2017-03-02AD73284ND
2017-03-28AD77273ND
2017-03-28AD77274ND
2017-04-27AD81596ND
2017-04-27AD81598ND
2017-04-27AD81597ND
2017-07-06AD88548ND
2017-07-06AD88549ND
2017-07-25AD90675ND
2017-07-26AD90935ND
2017-07-26AD90934ND
2017-09-11AD95633ND
2017-09-11AD95634ND
2017-09-26AD98128ND
2017-09-26AD98129ND
2017-09-26AD98130ND
2017-11-07AE03932ND
2017-11-07AE03938ND
2017-12-04AE06640ND
2018-01-18AE09332ND
2018-01-18AE09333ND
2018-01-18AE09334ND
2018-01-18AE09335ND
2018-01-23AE09967ND
2018-01-23AE09969ND
2018-01-23AE09968ND
2018-01-23AE09966ND
2018-01-23AE09970ND
2018-01-31AE11685ND
2018-03-29AE20736ND
2018-03-29AE20734ND
2018-03-29AE20732ND
2018-03-29AE20738ND
2018-03-29AE20737ND
2018-03-29AE20735ND
2018-03-29AE20733ND
2018-04-26AE24261ND
2018-04-26AE24267ND
2018-04-26AE24263ND
2018-04-26AE24266ND
2018-04-26AE24262ND
2018-04-26AE24264ND
2018-04-26AE24265ND
2018-05-22AE27325ND
2018-05-22AE27326ND
2018-05-22AE27324ND
2018-05-22AE27323ND
2018-07-19AE33997ND
2018-07-19AE33999ND
2018-07-19AE33998ND
2018-08-03AE35922ND
2018-08-15AE37252ND
2018-08-15AE37253ND
2018-08-15AE37251ND
2018-08-29AE38821ND
2018-09-26AE41819ND
2018-09-26AE41818ND
2018-11-14AE46119ND
2019-01-15AE50269ND
2019-01-15AE50268ND
2019-01-16AE50275ND
2019-01-16AE50270ND
2019-03-06AE57464ND
2019-03-06AE57462ND
2019-03-06AE57458ND
2019-03-06AE57463ND
2019-03-06AE57465ND
2019-04-11AE62164ND
2019-07-24AE76049ND
2019-07-25AE76051ND
2019-07-25AE76050ND
2019-09-23AE84284ND
2019-09-23AE84283ND
2019-10-10AE86371ND
2019-11-18AE89651ND
2019-11-18AE89653ND
2019-11-18AE89652ND
2019-11-22AE90470ND
2019-11-22AE90471ND
2019-12-02AE90861ND