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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

City of Norfolk

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)

38

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.753 ppb84ND - 2.46 ppb
20150.744 ppb1612ND - 1.93 ppb
20160.433 ppb168ND - 1.57 ppb
20170.496 ppb167ND - 2.18 ppb
20180.276 ppb164ND - 1.55 ppb
20190.0993 ppb163ND - 0.555 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
2014-08-253189571.58 ppb
2014-08-253189560.840 ppb
2014-08-253189541.14 ppb
2014-08-253189552.46 ppb
2014-12-01335657ND
2014-12-01335656ND
2014-12-01335658ND
2014-12-01335659ND
2015-02-23348697ND
2015-02-233486990.650 ppb
2015-02-233486980.680 ppb
2015-02-233486960.640 ppb
2015-06-08364935ND
2015-06-083649360.529 ppb
2015-06-083649371.69 ppb
2015-06-083649381.56 ppb
2015-08-243787191.19 ppb
2015-08-243787200.903 ppb
2015-08-243787210.885 ppb
2015-08-243787181.93 ppb
2015-11-303991380.619 ppb
2015-11-30399137ND
2015-11-303991360.630 ppb
2015-11-30399135ND
2016-02-220.890 ppb
2016-02-220.890 ppb
2016-02-220.714 ppb
2016-02-22ND
2016-06-06ND
2016-06-06ND
2016-06-06ND
2016-06-06ND
2016-08-22ND
2016-08-221.08 ppb
2016-08-22ND
2016-08-221.57 ppb
2016-11-280.661 ppb
2016-11-280.595 ppb
2016-11-280.529 ppb
2016-11-28ND
2017-02-270.690 ppb
2017-02-270.539 ppb
2017-02-270.669 ppb
2017-02-270.928 ppb
2017-06-051.42 ppb
2017-06-05ND
2017-06-05ND
2017-06-05ND
2017-08-282.18 ppb
2017-08-281.51 ppb
2017-08-28ND
2017-08-28ND
2017-11-27ND
2017-11-27ND
2017-11-27ND
2017-11-27ND
2018-02-26534048ND
2018-02-26534047ND
2018-02-265340460.567 ppb
2018-02-26534045ND
2018-05-29549767ND
2018-05-29549764ND
2018-05-29549765ND
2018-05-29549766ND
2018-08-275684621.55 ppb
2018-08-275684611.53 ppb
2018-08-27568460ND
2018-08-275684590.765 ppb
2018-11-26583424ND
2018-11-26583425ND
2018-11-26583426ND
2018-11-26583427ND
2019-02-26595194ND
2019-02-26595195ND
2019-02-26595196ND
2019-02-26595197ND
2019-05-28605748ND
2019-05-28605751ND
2019-05-28605750ND
2019-05-28605749ND
2019-08-26628207ND
2019-08-266282090.555 ppb
2019-08-26628208ND
2019-08-26628206ND
2019-12-026449280.531 ppb
2019-12-02644927ND
2019-12-026449260.503 ppb
2019-12-02644925ND