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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Highway 84 West Water Supply

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

 

88

Samples

0

Samples exceeding legal limit (MCL)

66

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.863 ppb162ND - 6.90 ppb
2015ND60ND
201620.7 ppb101016.1 ppb - 27.6 ppb
201714.0 ppb2018ND - 25.0 ppb
201826.5 ppb202020.8 ppb - 34.0 ppb
201919.9 ppb16161.40 ppb - 28.5 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
2014-01-151270396ND
2014-01-151270395ND
2014-01-151270396ND
2014-01-151270395ND
2014-04-0912919756.90 ppb
2014-04-091291976ND
2014-04-091291976ND
2014-04-0912919756.90 ppb
2014-07-161318243ND
2014-07-161318244ND
2014-07-161318244ND
2014-07-161318243ND
2014-10-081340785ND
2014-10-081340786ND
2014-10-081340786ND
2014-10-081340785ND
2015-01-141364543ND
2015-01-141364544ND
2015-01-141364544ND
2015-01-141364543ND
2015-04-151387426ND
2015-04-151387426ND
2016-04-13148240216.5 ppb
2016-04-13148240216.5 ppb
2016-07-13150694227.6 ppb
2016-07-13150694324.0 ppb
2016-07-13150694227.6 ppb
2016-07-13150694324.0 ppb
2016-10-12153261619.4 ppb
2016-10-12153261716.1 ppb
2016-10-12153261619.4 ppb
2016-10-12153261716.1 ppb
2017-01-253529149000111.6 ppb
2017-01-253529149000210.8 ppb
2017-01-253529149000111.6 ppb
2017-01-253529149000210.8 ppb
2017-04-183530767000215.2 ppb
2017-04-183530767000118.6 ppb
2017-04-183530767000215.2 ppb
2017-04-183530767000118.6 ppb
2017-05-083531161000623.8 ppb
2017-05-083531161000525.0 ppb
2017-05-083531161000525.0 ppb
2017-05-083531161000623.8 ppb
2017-07-183532512100114.9 ppb
2017-07-183532512100211.7 ppb
2017-07-183532512100211.7 ppb
2017-07-183532512100114.9 ppb
2017-10-10353413870028.30 ppb
2017-10-1035341387001ND
2017-10-10353413870028.30 ppb
2017-10-1035341387001ND
2018-01-093536784200123.0 ppb
2018-01-093536784200223.1 ppb
2018-01-093536784200223.1 ppb
2018-01-093536784200123.0 ppb
2018-04-183538726500128.6 ppb
2018-04-183538726500228.9 ppb
2018-04-183538726500128.6 ppb
2018-04-183538726500228.9 ppb
2018-07-103540378000134.0 ppb
2018-07-103540378000220.8 ppb
2018-07-103540378000134.0 ppb
2018-07-103540378000220.8 ppb
2018-07-253540730800127.3 ppb
2018-07-253540730800224.3 ppb
2018-07-253540730800127.3 ppb
2018-07-253540730800224.3 ppb
2018-10-103542391700129.3 ppb
2018-10-103542391700225.7 ppb
2018-10-103542391700129.3 ppb
2018-10-103542391700225.7 ppb
2019-01-093544180500222.1 ppb
2019-01-093544180500128.5 ppb
2019-01-093544180500128.5 ppb
2019-01-093544180500222.1 ppb
2019-04-233546434400226.2 ppb
2019-04-233546434400226.2 ppb
2019-04-233546434400124.7 ppb
2019-04-233546434400124.7 ppb
2019-07-153548352000227.7 ppb
2019-07-153548352000127.4 ppb
2019-07-153548352000127.4 ppb
2019-07-153548352000227.7 ppb
2019-10-02355026070011.40 ppb
2019-10-02355026070021.50 ppb
2019-10-02355026070011.40 ppb
2019-10-02355026070021.50 ppb