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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

City of Houston

Dibromoacetic acid, one of the group of five haloacetic acids regulated by federal standards, is formed when chlorine or other disinfectants are used to treat drinking water. Haloacetic acids and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

MORE ABOUT THIS CONTAMINANT

 

383

Samples

0

Samples exceeding legal limit (MCL)

199

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20141.76 ppb6460ND - 4.30 ppb
20151.78 ppb6333ND - 13.3 ppb
20160.448 ppb6424ND - 2.10 ppb
20171.13 ppb6448ND - 3.70 ppb
20180.470 ppb6421ND - 4.50 ppb
20190.328 ppb6413ND - 4.50 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.04 ppb

The EWG Health Guideline of 0.04 ppb for dibromoacetic 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
2014-03-05AC456671.50 ppb
2014-03-05AC456661.10 ppb
2014-03-05AC456491.30 ppb
2014-03-05AC456632.20 ppb
2014-03-05AC456501.60 ppb
2014-03-05AC456521.30 ppb
2014-03-05AC456871.30 ppb
2014-03-05AC456881.40 ppb
2014-03-05AC45662ND
2014-03-05AC456651.90 ppb
2014-03-05AC456511.000 ppb
2014-03-05AC456691.40 ppb
2014-03-05AC456481.40 ppb
2014-03-06AC459651.10 ppb
2014-03-06AC459431.20 ppb
2014-03-06AC459681.30 ppb
2014-05-19AC545581.50 ppb
2014-05-19AC545591.40 ppb
2014-05-19AC545741.30 ppb
2014-05-19AC545601.10 ppb
2014-05-19AC545661.20 ppb
2014-05-19AC545521.70 ppb
2014-05-19AC545561.30 ppb
2014-05-19AC545631.40 ppb
2014-05-19AC545532.00 ppb
2014-05-19AC545681.70 ppb
2014-05-20AC54716ND
2014-05-20AC547481.30 ppb
2014-05-20AC547081.70 ppb
2014-05-20AC547192.20 ppb
2014-05-20AC547151.90 ppb
2014-05-20AC54713ND
2014-07-15AC597532.50 ppb
2014-07-15AC597571.80 ppb
2014-07-15AC597543.30 ppb
2014-07-15AC597552.20 ppb
2014-07-15AC597522.50 ppb
2014-07-15AC597492.20 ppb
2014-07-15AC597702.50 ppb
2014-07-15AC597692.60 ppb
2014-07-15AC597503.10 ppb
2014-07-15AC597513.40 ppb
2014-07-15AC597564.30 ppb
2014-07-16AC598791.80 ppb
2014-07-16AC598782.00 ppb
2014-07-16AC598922.00 ppb
2014-07-16AC59893ND
2014-07-16AC598972.30 ppb
2014-12-18AC754401.40 ppb
2014-12-18AC754532.10 ppb
2014-12-18AC754482.00 ppb
2014-12-18AC754461.50 ppb
2014-12-18AC754511.40 ppb
2014-12-18AC754472.50 ppb
2014-12-19AC756312.00 ppb
2014-12-19AC756281.40 ppb
2014-12-19AC756492.30 ppb
2014-12-19AC756371.40 ppb
2014-12-19AC756452.30 ppb
2014-12-19AC756292.10 ppb
2014-12-19AC756252.30 ppb
2014-12-19AC756262.40 ppb
2014-12-19AC756382.10 ppb
2014-12-19AC756332.30 ppb
2015-03-04AC826768.50 ppb
2015-03-04AC826797.50 ppb
2015-03-04AC827331.20 ppb
2015-03-04AC826696.90 ppb
2015-03-04AC826757.00 ppb
2015-03-04AC826716.90 ppb
2015-03-04AC827281.10 ppb
2015-03-04AC826674.60 ppb
2015-03-04AC826728.80 ppb
2015-03-04AC826687.40 ppb
2015-03-04AC826641.40 ppb
2015-03-04AC826737.40 ppb
2015-03-05AC82712ND
2015-03-05AC82708ND
2015-03-05AC827076.70 ppb
2015-03-05AC8268813.3 ppb
2015-06-16AC96151ND
2015-06-16AC96154ND
2015-06-16AC96145ND
2015-06-16AC96139ND
2015-06-16AC96142ND
2015-06-16AC96137ND
2015-06-16AC96155ND
2015-06-16AC96150ND
2015-06-16AC96138ND
2015-06-17AC96243ND
2015-06-17AC96260ND
2015-06-17AC96262ND
2015-06-17AC96274ND
2015-06-17AC96273ND
2015-06-17AC96265ND
2015-09-16AD072941.000 ppb
2015-09-16AD072971.80 ppb
2015-09-16AD072931.70 ppb
2015-09-16AD073121.000 ppb
2015-09-16AD073131.000 ppb
2015-09-16AD073041.80 ppb
2015-09-16AD073021.30 ppb
2015-09-16AD07311ND
2015-09-16AD072921.40 ppb
2015-09-16AD073291.50 ppb
2015-09-16AD07327ND
2015-09-17AD07537ND
2015-09-17AD075381.000 ppb
2015-09-17AD075631.000 ppb
2015-09-17AD07536ND
2015-09-17AD075461.10 ppb
2015-11-16AD13562ND
2015-11-16AD136181.30 ppb
2015-11-16AD13561ND
2015-11-16AD135591.000 ppb
2015-11-16AD136191.10 ppb
2015-11-16AD135581.000 ppb
2015-11-16AD13565ND
2015-11-16AD135561.10 ppb
2015-11-16AD135571.10 ppb
2015-11-16AD135601.000 ppb
2015-11-17AD13768ND
2015-11-17AD13773ND
2015-11-17AD13767ND
2015-11-17AD13772ND
2015-11-17AD13771ND
2015-11-17AD13766ND
2016-03-16AD29018ND
2016-03-16AD29033ND
2016-03-16AD29030ND
2016-03-16AD29037ND
2016-03-16AD29019ND
2016-03-16AD29027ND
2016-03-16AD29029ND
2016-03-16AD29036ND
2016-03-16AD29032ND
2016-03-16AD29026ND
2016-03-17AD29319ND
2016-03-17AD29323ND
2016-03-17AD29322ND
2016-03-17AD29318ND
2016-03-17AD29320ND
2016-03-17AD293211.30 ppb
2016-06-15AD40718ND
2016-06-15AD40714ND
2016-06-15AD40722ND
2016-06-15AD40725ND
2016-06-15AD40726ND
2016-06-15AD40716ND
2016-06-15AD40719ND
2016-06-15AD40710ND
2016-06-15AD40730ND
2016-06-15AD40727ND
2016-06-15AD40720ND
2016-06-15AD40717ND
2016-06-16AD40972ND
2016-06-16AD40971ND
2016-06-16AD40964ND
2016-06-16AD40968ND
2016-09-20AD503241.20 ppb
2016-09-20AD503271.10 ppb
2016-09-20AD50330ND
2016-09-20AD50329ND
2016-09-20AD503251.000 ppb
2016-09-20AD503281.000 ppb
2016-09-20AD503261.10 ppb
2016-09-21AD507071.000 ppb
2016-09-21AD506861.70 ppb
2016-09-21AD506971.10 ppb
2016-09-21AD507081.10 ppb
2016-09-21AD50712ND
2016-09-21AD507101.60 ppb
2016-09-21AD506961.000 ppb
2016-09-21AD507061.20 ppb
2016-09-21AD506951.000 ppb
2016-11-17AD585431.20 ppb
2016-11-17AD585381.20 ppb
2016-11-17AD585391.10 ppb
2016-11-17AD585361.10 ppb
2016-11-17AD585441.10 ppb
2016-11-17AD585451.10 ppb
2016-11-18AD58825ND
2016-11-18AD58817ND
2016-11-18AD58820ND
2016-11-18AD588162.10 ppb
2016-11-18AD58818ND
2016-11-18AD588151.10 ppb
2016-11-18AD588191.20 ppb
2016-11-18AD588141.10 ppb
2016-11-21AD58774ND
2016-11-21AD58775ND
2017-02-28AD724221.90 ppb
2017-02-28AD724191.90 ppb
2017-02-28AD724241.30 ppb
2017-02-28AD723991.20 ppb
2017-02-28AD724211.70 ppb
2017-02-28AD724201.50 ppb
2017-02-28AD72398ND
2017-02-28AD724181.70 ppb
2017-02-28AD724232.20 ppb
2017-02-28AD723971.80 ppb
2017-03-01AD727391.10 ppb
2017-03-01AD727421.10 ppb
2017-03-01AD727451.20 ppb
2017-03-01AD727371.10 ppb
2017-03-01AD72740ND
2017-03-01AD727381.20 ppb
2017-04-26AD811421.60 ppb
2017-04-26AD811441.30 ppb
2017-04-26AD811391.30 ppb
2017-04-26AD811401.10 ppb
2017-04-26AD811361.60 ppb
2017-04-26AD811351.50 ppb
2017-04-26AD811431.60 ppb
2017-04-26AD811411.20 ppb
2017-04-26AD811451.20 ppb
2017-04-26AD811461.30 ppb
2017-04-26AD811371.70 ppb
2017-04-26AD811381.80 ppb
2017-04-27AD814791.50 ppb
2017-04-27AD814751.30 ppb
2017-04-27AD814781.000 ppb
2017-04-27AD814771.10 ppb
2017-07-25AD905301.40 ppb
2017-07-25AD905221.80 ppb
2017-07-25AD905251.50 ppb
2017-07-25AD905431.000 ppb
2017-07-25AD905451.10 ppb
2017-07-25AD905441.60 ppb
2017-07-25AD905231.30 ppb
2017-07-25AD905321.50 ppb
2017-07-25AD905241.30 ppb
2017-07-25AD905312.00 ppb
2017-07-25AD905211.60 ppb
2017-07-26AD907991.90 ppb
2017-07-26AD908041.40 ppb
2017-07-26AD907962.10 ppb
2017-07-26AD907973.70 ppb
2017-07-26AD908021.70 ppb
2017-11-15AE049361.000 ppb
2017-11-15AE04933ND
2017-11-15AE04925ND
2017-11-15AE04930ND
2017-11-15AE04931ND
2017-11-15AE04924ND
2017-11-15AE04926ND
2017-11-15AE04927ND
2017-11-15AE04929ND
2017-11-15AE04935ND
2017-11-15AE04928ND
2017-11-15AE049341.10 ppb
2017-11-15AE04932ND
2017-11-16AE05180ND
2017-11-16AE05181ND
2017-11-16AE05182ND
2018-02-07AE129881.000 ppb
2018-02-07AE12993ND
2018-02-07AE129921.000 ppb
2018-02-07AE129891.60 ppb
2018-02-07AE130121.10 ppb
2018-02-07AE129521.000 ppb
2018-02-07AE12999ND
2018-02-07AE129581.40 ppb
2018-02-08AE12996ND
2018-02-08AE12990ND
2018-02-08AE12963ND
2018-02-08AE12991ND
2018-02-08AE130144.50 ppb
2018-02-08AE12997ND
2018-02-08AE130101.000 ppb
2018-02-08AE130111.10 ppb
2018-04-17AE22960ND
2018-04-17AE22998ND
2018-04-17AE22956ND
2018-04-17AE22955ND
2018-04-17AE22996ND
2018-04-17AE22961ND
2018-04-17AE22953ND
2018-04-17AE22994ND
2018-04-17AE22959ND
2018-04-18AE22995ND
2018-04-18AE22958ND
2018-04-18AE22962ND
2018-04-18AE22966ND
2018-04-18AE22965ND
2018-04-18AE229541.000 ppb
2018-05-22AE27203ND
2018-08-28AE388001.20 ppb
2018-08-28AE38798ND
2018-08-28AE38793ND
2018-08-28AE38807ND
2018-08-28AE387961.30 ppb
2018-08-28AE38805ND
2018-08-28AE388031.10 ppb
2018-08-28AE38792ND
2018-08-28AE387991.20 ppb
2018-08-28AE38797ND
2018-08-28AE387941.30 ppb
2018-08-28AE387951.20 ppb
2018-08-29AE388021.30 ppb
2018-08-29AE388061.30 ppb
2018-08-29AE38801ND
2018-08-29AE388041.90 ppb
2018-11-13AE46051ND
2018-11-13AE46052ND
2018-11-13AE46033ND
2018-11-13AE46049ND
2018-11-13AE46044ND
2018-11-13AE46050ND
2018-11-13AE46045ND
2018-11-13AE46055ND
2018-11-13AE46037ND
2018-11-13AE46054ND
2018-11-13AE460381.10 ppb
2018-11-13AE46039ND
2018-11-14AE46042ND
2018-11-14AE46043ND
2018-11-14AE460582.50 ppb
2018-11-14AE46053ND
2019-01-15AE50125ND
2019-01-15AE50069ND
2019-01-15AE50072ND
2019-01-15AE50068ND
2019-01-15AE50067ND
2019-01-15AE50075ND
2019-01-15AE50084ND
2019-01-15AE50070ND
2019-01-15AE500711.20 ppb
2019-01-15AE50093ND
2019-01-16AE50087ND
2019-01-16AE50074ND
2019-01-16AE50088ND
2019-01-16AE50080ND
2019-01-16AE500731.30 ppb
2019-01-16AE50126ND
2019-04-10AE62008ND
2019-04-10AE62027ND
2019-04-10AE62002ND
2019-04-10AE62030ND
2019-04-10AE62006ND
2019-04-10AE62007ND
2019-04-10AE62019ND
2019-04-10AE62020ND
2019-04-10AE620291.000 ppb
2019-04-10AE61994ND
2019-04-11AE619881.20 ppb
2019-04-11AE61985ND
2019-04-11AE61983ND
2019-04-11AE619841.80 ppb
2019-04-11AE619864.50 ppb
2019-04-11AE619871.20 ppb
2019-07-24AE75953ND
2019-07-24AE75954ND
2019-07-24AE75952ND
2019-07-24AE75955ND
2019-07-24AE75951ND
2019-07-24AE75949ND
2019-07-24AE75950ND
2019-07-24AE75944ND
2019-07-24AE75945ND
2019-07-24AE759561.10 ppb
2019-07-25AE759091.000 ppb
2019-07-25AE75904ND
2019-07-25AE75910ND
2019-07-25AE75906ND
2019-07-25AE759432.00 ppb
2019-07-25AE759421.50 ppb
2019-10-09AE86125ND
2019-10-09AE86124ND
2019-10-09AE86127ND
2019-10-09AE86128ND
2019-10-09AE86126ND
2019-10-09AE86122ND
2019-10-09AE86121ND
2019-10-09AE86129ND
2019-10-09AE86123ND
2019-10-10AE86286ND
2019-10-10AE86282ND
2019-10-10AE86285ND
2019-10-10AE86281ND
2019-10-10AE862831.90 ppb
2019-10-10AE86284ND
2019-10-10AE862871.30 ppb