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EWG's Tap Water Database — 2019 UPDATE

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Dibromoacetic acid

City of South 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.

 

93

Samples

0

Samples exceeding legal limit (MCL)

55

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20123.25 ppb1312ND - 8.40 ppb
20131.94 ppb16161.000 ppb - 4.20 ppb
20142.16 ppb1614ND - 7.90 ppb
20150.450 ppb165ND - 1.90 ppb
20160.250 ppb163ND - 1.60 ppb
20170.519 ppb165ND - 2.20 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
2012-02-06AB802381.10 ppb
2012-05-18AB902952.30 ppb
2012-05-18AB902998.10 ppb
2012-05-18AB90309ND
2012-05-18AB902962.80 ppb
2012-07-06AB947041.80 ppb
2012-07-06AB947052.10 ppb
2012-07-06AB946878.40 ppb
2012-07-06AB946884.40 ppb
2012-10-12AC032372.50 ppb
2012-10-12AC032251.90 ppb
2012-10-12AC032261.90 ppb
2012-10-12AC032384.90 ppb
2013-01-14AC075941.10 ppb
2013-01-14AC075951.20 ppb
2013-01-14AC076011.000 ppb
2013-01-14AC076001.000 ppb
2013-04-02AC155071.30 ppb
2013-04-02AC154971.60 ppb
2013-04-02AC155001.80 ppb
2013-04-02AC155031.30 ppb
2013-07-19AC253753.20 ppb
2013-07-19AC253702.30 ppb
2013-07-19AC253764.20 ppb
2013-07-19AC253394.10 ppb
2013-10-24AC332601.70 ppb
2013-10-24AC332532.00 ppb
2013-10-24AC332391.60 ppb
2013-10-24AC332381.60 ppb
2014-02-14AC430233.90 ppb
2014-02-14AC430701.10 ppb
2014-02-14AC430681.10 ppb
2014-02-14AC43091ND
2014-04-07AC496121.10 ppb
2014-04-07AC496151.000 ppb
2014-04-07AC495821.80 ppb
2014-06-06AC562987.90 ppb
2014-08-11AC629012.20 ppb
2014-08-11AC62929ND
2014-08-11AC629002.70 ppb
2014-08-11AC629022.60 ppb
2014-11-24AC727873.20 ppb
2014-11-24AC727821.40 ppb
2014-11-24AC727202.60 ppb
2014-11-24AC727862.00 ppb
2015-01-21AC77203ND
2015-01-21AC77209ND
2015-01-21AC77204ND
2015-01-21AC77202ND
2015-06-12AC95907ND
2015-06-12AC95927ND
2015-06-12AC95900ND
2015-06-12AC95899ND
2015-07-20AD001211.10 ppb
2015-07-20AD00077ND
2015-07-20AD00105ND
2015-07-20AD00100ND
2015-10-06AD095901.90 ppb
2015-10-06AD095851.40 ppb
2015-10-06AD095921.50 ppb
2015-10-06AD095811.30 ppb
2016-01-14AD18162ND
2016-01-14AD18164ND
2016-01-14AD18163ND
2016-01-14AD18165ND
2016-04-08AD32541ND
2016-04-08AD32546ND
2016-04-08AD32528ND
2016-04-08AD32535ND
2016-07-11AD43555ND
2016-07-11AD43516ND
2016-07-11AD43522ND
2016-07-11AD43515ND
2016-10-07AD527941.20 ppb
2016-10-07AD52796ND
2016-10-07AD527951.20 ppb
2016-10-07AD527981.60 ppb
2017-01-06AD63561ND
2017-01-06AD635621.30 ppb
2017-01-06AD63563ND
2017-01-06AD635601.50 ppb
2017-04-07AD78911ND
2017-04-07AD78913ND
2017-04-07AD789121.40 ppb
2017-04-07AD78910ND
2017-07-14AD89414ND
2017-07-14AD89419ND
2017-07-14AD894151.90 ppb
2017-07-14AD894172.20 ppb
2017-10-17AE01071ND
2017-10-17AE01060ND
2017-10-17AE01056ND
2017-10-17AE01059ND