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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

City of Alexandria Water System

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

 

60

Samples

0

Samples exceeding legal limit (MCL)

24

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND320ND
2015ND40ND
20162.03 ppb881.50 ppb - 2.70 ppb
20172.17 ppb660.800 ppb - 2.90 ppb
20181.75 ppb660.850 ppb - 2.70 ppb
20192.80 ppb442.00 ppb - 3.60 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
2014-02-051275657ND
2014-02-051275655ND
2014-02-051275656ND
2014-02-051275657ND
2014-02-051275658ND
2014-02-051275656ND
2014-02-051275655ND
2014-02-051275658ND
2014-05-061299041ND
2014-05-061299039ND
2014-05-061299040ND
2014-05-061299041ND
2014-05-061299042ND
2014-05-061299040ND
2014-05-061299039ND
2014-05-061299042ND
2014-08-041322733ND
2014-08-041322734ND
2014-08-041322735ND
2014-08-041322736ND
2014-08-041322733ND
2014-08-041322734ND
2014-08-041322735ND
2014-08-041322736ND
2014-08-1835151018001ND
2014-08-1835151018001ND
2014-08-1835151018002ND
2014-08-1835151018002ND
2014-11-041347208ND
2014-11-041347209ND
2014-11-041347209ND
2014-11-041347208ND
2015-08-111418153ND
2015-08-111418153ND
2015-11-051441992ND
2015-11-051441992ND
2016-08-11680-128769-12.70 ppb
2016-08-11680-128769-22.40 ppb
2016-08-11680-128769-22.40 ppb
2016-08-11680-128769-12.70 ppb
2016-11-08680-131994-11.50 ppb
2016-11-08680-131994-21.50 ppb
2016-11-08680-131994-11.50 ppb
2016-11-08680-131994-21.50 ppb
2017-08-17353312840012.80 ppb
2017-08-17353312840012.80 ppb
2017-11-16353495340020.800 ppb
2017-11-16353495340012.90 ppb
2017-11-16353495340012.90 ppb
2017-11-16353495340020.800 ppb
2018-08-30354148070011.70 ppb
2018-08-30354148070011.70 ppb
2018-11-02354282160022.70 ppb
2018-11-02354282160010.850 ppb
2018-11-02354282160010.850 ppb
2018-11-02354282160022.70 ppb
2019-08-01354868030013.60 ppb
2019-08-01354868030013.60 ppb
2019-11-07355109310012.00 ppb
2019-11-07355109310012.00 ppb