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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Harris County WCID 36

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

 

96

Samples

0

Samples exceeding legal limit (MCL)

47

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20141.85 ppb16161.20 ppb - 3.00 ppb
20150.544 ppb166ND - 2.00 ppb
20160.438 ppb165ND - 1.60 ppb
20171.09 ppb1612ND - 1.90 ppb
20180.306 ppb164ND - 1.50 ppb
20190.319 ppb164ND - 1.60 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
2014-03-19AC477141.50 ppb
2014-03-19AC477131.50 ppb
2014-03-19AC477241.50 ppb
2014-03-19AC477151.40 ppb
2014-05-01AC526741.30 ppb
2014-05-01AC526771.20 ppb
2014-05-01AC526711.30 ppb
2014-05-01AC526701.40 ppb
2014-07-21AC603842.10 ppb
2014-07-21AC603812.20 ppb
2014-07-21AC603662.20 ppb
2014-07-21AC603672.60 ppb
2014-11-07AC716692.10 ppb
2014-11-07AC716913.00 ppb
2014-11-07AC716711.80 ppb
2014-11-07AC717442.50 ppb
2015-01-27AC779101.30 ppb
2015-01-27AC778971.30 ppb
2015-01-27AC779081.20 ppb
2015-01-27AC779091.30 ppb
2015-04-17AC88788ND
2015-04-17AC88772ND
2015-04-17AC88786ND
2015-04-17AC88791ND
2015-09-08AD058192.00 ppb
2015-09-08AD05812ND
2015-09-08AD058201.60 ppb
2015-09-08AD05813ND
2015-12-04AD15714ND
2015-12-04AD15650ND
2015-12-04AD15661ND
2015-12-04AD15657ND
2016-02-03AD21792ND
2016-02-03AD21780ND
2016-02-03AD21779ND
2016-02-03AD21781ND
2016-04-22AD33928ND
2016-04-22AD33930ND
2016-04-22AD33934ND
2016-04-22AD33935ND
2016-09-20AD50317ND
2016-09-20AD503131.20 ppb
2016-09-20AD50307ND
2016-09-20AD50319ND
2016-11-16AD582971.40 ppb
2016-11-16AD582961.60 ppb
2016-11-16AD582951.30 ppb
2016-11-16AD582941.50 ppb
2017-02-14AD708141.40 ppb
2017-02-14AD708161.20 ppb
2017-02-14AD708201.40 ppb
2017-02-14AD708211.40 ppb
2017-04-24AD806571.20 ppb
2017-04-24AD806751.30 ppb
2017-04-24AD806351.10 ppb
2017-04-24AD806341.20 ppb
2017-07-28AD913211.90 ppb
2017-07-28AD913171.60 ppb
2017-07-28AD913201.90 ppb
2017-07-28AD913261.90 ppb
2017-11-09AE04287ND
2017-11-09AE04292ND
2017-11-09AE04290ND
2017-11-09AE04293ND
2018-01-26AE10920ND
2018-01-26AE10921ND
2018-01-26AE10919ND
2018-01-26AE10918ND
2018-04-16AE22465ND
2018-04-16AE22497ND
2018-04-16AE22459ND
2018-04-16AE22464ND
2018-07-31AE35039ND
2018-07-31AE35041ND
2018-07-31AE35040ND
2018-07-31AE35038ND
2018-10-29AE447131.10 ppb
2018-10-29AE447141.30 ppb
2018-10-29AE447151.50 ppb
2018-10-29AE447161.000 ppb
2019-02-05AE52901ND
2019-02-05AE52888ND
2019-02-05AE52887ND
2019-02-05AE52886ND
2019-05-23AE67919ND
2019-05-23AE67916ND
2019-05-23AE67917ND
2019-05-23AE67897ND
2019-08-23AE805281.20 ppb
2019-08-23AE805271.10 ppb
2019-08-23AE805611.20 ppb
2019-08-23AE805631.60 ppb
2019-11-15AE89497ND
2019-11-15AE89511ND
2019-11-15AE89496ND
2019-11-15AE89512ND