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EWG's Tap Water Database — 2019 UPDATE

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Propachlor

City of Houston

Propachlor is a carcinogenic, DNA-damaging herbicide also associated with adverse developmental effects and reproductive toxicity. Propachlor use is discontinued in the U.S.

MORE ABOUT THIS CONTAMINANT

 

166

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND410ND
2013ND230ND
2014ND140ND
2015ND360ND
2016ND260ND
2017ND260ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-01-31AB79849ND
2012-01-31AB79852ND
2012-01-31AB79850ND
2012-01-31AB79847ND
2012-01-31AB79851ND
2012-02-01AB79844ND
2012-02-01AB79843ND
2012-02-01AB79846ND
2012-02-01AB79845ND
2012-04-10AB86429ND
2012-04-10AB86427ND
2012-04-10AB86430ND
2012-04-10AB86428ND
2012-04-10AB86431ND
2012-05-23AB90945ND
2012-05-23AB90946ND
2012-05-23AB90939ND
2012-05-23AB90943ND
2012-05-23AB90942ND
2012-05-23AB90944ND
2012-06-11AB92217ND
2012-06-12AB92383ND
2012-06-12AB92386ND
2012-06-12AB92384ND
2012-07-24AB96072ND
2012-07-24AB96069ND
2012-07-24AB96067ND
2012-07-24AB96071ND
2012-07-24AB96070ND
2012-07-24AB96066ND
2012-07-24AB96068ND
2012-07-24AB96065ND
2012-11-08AC04926ND
2012-11-08AC04924ND
2012-11-08AC04928ND
2012-11-08AC04925ND
2012-11-19AC05465ND
2012-11-19AC05463ND
2012-11-19AC05461ND
2012-11-19AC05464ND
2012-11-19AC05462ND
2013-02-25AC11627ND
2013-02-25AC11624ND
2013-02-25AC11630ND
2013-02-25AC11628ND
2013-02-25AC11629ND
2013-02-26AC11849ND
2013-03-11AC12965ND
2013-03-11AC12968ND
2013-03-11AC12966ND
2013-03-11AC12969ND
2013-06-12AC22141ND
2013-06-12AC22140ND
2013-06-12AC22138ND
2013-06-13AC22146ND
2013-06-13AC22139ND
2013-08-08AC27277ND
2013-08-08AC27276ND
2013-08-08AC27278ND
2013-08-08AC27274ND
2013-08-08AC27275ND
2013-10-24AC33318ND
2013-12-16AC37695ND
2013-12-17AC37823ND
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