Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Bromochloroacetic acid

City of Houston Willow Chase

Bromochloroacetic acid is formed when chlorine or other disinfectants are used to treat drinking water. Bromochloroacetic acid and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy.

MORE ABOUT THIS CONTAMINANT

 

96

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.36 ppb163ND - 7.90 ppb
20150.138 ppb161ND - 2.20 ppb
2016ND160ND
2017ND160ND
2018ND160ND
2019ND160ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.02 ppb

The EWG Health Guideline of 0.02 ppb for bromochloroacetic acid was defined in a peer-reviewed scientific study by EWG and represents a on-in-a-million lifetime cancer risk level. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-06AC45957ND
2014-03-06AC45974ND
2014-03-06AC45967ND
2014-03-06AC45966ND
2014-05-20AC54712ND
2014-05-20AC54710ND
2014-05-20AC54711ND
2014-05-20AC54709ND
2014-08-14AC637937.90 ppb
2014-08-14AC637916.50 ppb
2014-08-14AC63794ND
2014-08-14AC637897.40 ppb
2014-12-18AC75445ND
2014-12-18AC75434ND
2014-12-18AC75450ND
2014-12-18AC75449ND
2015-03-05AC82711ND
2015-03-05AC82710ND
2015-03-05AC82689ND
2015-03-05AC82709ND
2015-05-29AC93957ND
2015-05-29AC94008ND
2015-05-29AC939982.20 ppb
2015-05-29AC94002ND
2015-09-17AD07544ND
2015-09-17AD07542ND
2015-09-17AD07559ND
2015-09-17AD07545ND
2015-12-08AD15956ND
2015-12-08AD15957ND
2015-12-08AD15959ND
2015-12-08AD15933ND
2016-03-03AD26844ND
2016-03-03AD26845ND
2016-03-03AD26843ND
2016-03-03AD26849ND
2016-06-03AD39413ND
2016-06-03AD39362ND
2016-06-03AD39368ND
2016-06-03AD39365ND
2016-09-22AD50717ND
2016-09-22AD50725ND
2016-09-22AD50714ND
2016-09-22AD50726ND
2016-11-21AD58771ND
2016-11-21AD58773ND
2016-11-21AD58770ND
2016-11-21AD58772ND
2017-03-02AD73085ND
2017-03-02AD73087ND
2017-03-02AD73089ND
2017-03-02AD73086ND
2017-05-31AD86109ND
2017-05-31AD86106ND
2017-05-31AD86108ND
2017-05-31AD86107ND
2017-08-15AD93060ND
2017-08-15AD93059ND
2017-08-15AD93058ND
2017-08-15AD93061ND
2017-12-04AE06555ND
2017-12-04AE06556ND
2017-12-04AE06557ND
2017-12-04AE06558ND
2018-01-31AE11529ND
2018-01-31AE11527ND
2018-01-31AE11530ND
2018-01-31AE11531ND
2018-04-11AE22016ND
2018-04-11AE22023ND
2018-04-11AE22004ND
2018-04-11AE22022ND
2018-08-15AE37136ND
2018-08-15AE37137ND
2018-08-15AE37139ND
2018-08-15AE37138ND
2018-11-07AE45579ND
2018-11-07AE45581ND
2018-11-07AE45582ND
2018-11-07AE45580ND
2019-02-28AE56534ND
2019-02-28AE56533ND
2019-02-28AE56535ND
2019-02-28AE56536ND
2019-05-20AE67108ND
2019-05-20AE67114ND
2019-05-20AE67109ND
2019-05-20AE67107ND
2019-09-23AE84231ND
2019-09-23AE84230ND
2019-09-23AE84228ND
2019-09-23AE84226ND
2019-11-22AE90353ND
2019-11-22AE90350ND
2019-11-22AE90352ND
2019-11-22AE90359ND