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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Horizon Regional MUD

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)

55

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.750 ppb169ND - 1.80 ppb
20150.288 ppb163ND - 2.10 ppb
20160.788 ppb166ND - 3.70 ppb
20172.31 ppb1614ND - 5.20 ppb
20181.34 ppb1611ND - 2.60 ppb
20191.43 ppb1612ND - 3.50 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
2014-03-10Q1407438014ND
2014-03-10Q1407438013ND
2014-03-10Q14074380121.000 ppb
2014-03-10Q14074380111.20 ppb
2014-06-18Q1421908005ND
2014-06-18Q14219080041.40 ppb
2014-06-18Q14219080021.50 ppb
2014-06-26Q14241600011.30 ppb
2014-08-14Q14367500031.10 ppb
2014-08-14Q14367500021.60 ppb
2014-08-14Q14367500041.80 ppb
2014-08-14Q14367500051.10 ppb
2014-11-25Q1457445005ND
2014-11-25Q1457445004ND
2014-11-25Q1457445003ND
2014-11-25Q1457445002ND
2015-01-20Q1501551004ND
2015-01-20Q1501551003ND
2015-01-20Q1501551002ND
2015-01-20Q1501551001ND
2015-05-20Q1518758005ND
2015-05-20Q1518758006ND
2015-05-20Q1518758008ND
2015-05-20Q1518758007ND
2015-08-05Q1530562004ND
2015-08-05Q1530562003ND
2015-08-05Q1530562002ND
2015-08-05Q1530562001ND
2015-10-20Q1541084004ND
2015-10-20Q15410840031.50 ppb
2015-10-20Q15410840021.000 ppb
2015-10-20Q15410840012.10 ppb
2016-01-26Q1603300003ND
2016-01-26Q1603300002ND
2016-01-26Q1603300004ND
2016-01-26Q1603300005ND
2016-06-02Q1621934004ND
2016-06-02Q1621934003ND
2016-06-02Q1621934002ND
2016-06-02Q1621934001ND
2016-08-04Q1632413004ND
2016-08-04Q16324130031.20 ppb
2016-08-04Q1632413002ND
2016-08-04Q16324130011.20 ppb
2016-11-15Q16496590033.70 ppb
2016-11-15Q16496590021.80 ppb
2016-11-15Q16496590042.80 ppb
2016-11-15Q16496590011.90 ppb
2017-01-12Q17016830061.20 ppb
2017-01-12Q17016830012.00 ppb
2017-01-12Q17016830051.50 ppb
2017-01-12Q17016830124.70 ppb
2017-04-13Q1715322004ND
2017-04-13Q17153220031.000 ppb
2017-04-13Q1715322002ND
2017-04-13Q17153220015.20 ppb
2017-08-29Q17403510042.00 ppb
2017-08-29Q17403510013.00 ppb
2017-08-29Q17403510023.20 ppb
2017-08-29Q17403510031.20 ppb
2017-10-11Q17517790041.000 ppb
2017-10-11Q17517790034.10 ppb
2017-10-11Q17517790023.20 ppb
2017-10-11Q17517790013.70 ppb
2018-03-09Q18098920071.10 ppb
2018-03-09Q18098920062.10 ppb
2018-03-09Q18098920051.50 ppb
2018-03-09Q18098920042.00 ppb
2018-05-30Q18214990022.60 ppb
2018-05-30Q1821499005ND
2018-05-30Q1821499006ND
2018-05-30Q18214990032.50 ppb
2018-07-24Q1829842002ND
2018-07-24Q18298420011.10 ppb
2018-08-07Q18317370022.20 ppb
2018-08-07Q18317370012.50 ppb
2018-11-26Q1847911004ND
2018-11-26Q18479110031.90 ppb
2018-11-26Q1847911002ND
2018-11-26Q18479110012.00 ppb
2019-02-07Q19058690061.000 ppb
2019-02-07Q19058690021.80 ppb
2019-02-07Q19058690031.60 ppb
2019-02-07Q1905869007ND
2019-04-24Q1916820004ND
2019-04-24Q19168200031.20 ppb
2019-04-24Q19168200021.000 ppb
2019-04-24Q19168200011.20 ppb
2019-08-20Q1956859004ND
2019-08-20Q19568590033.30 ppb
2019-08-20Q19568590021.30 ppb
2019-08-20Q19568590013.50 ppb
2019-11-05Q19754690013.00 ppb
2019-11-05Q1975469004ND
2019-11-05Q19754690033.00 ppb
2019-11-05Q19754690021.000 ppb