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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Bedford Regional Water Authority (brwa)

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

 

115

Samples

0

Samples exceeding legal limit (MCL)

7

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016ND200ND
2017ND230ND
20180.171 ppb323ND - 2.36 ppb
20190.0552 ppb404ND - 0.666 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
2016-01-211601L65-02AND
2016-02-221602P81-02AND
2016-02-221602P81-04AND
2016-04-2016042291-02AND
2016-04-2616042814-06AND
2016-04-2616042814-04AND
2016-05-1616051802-03AND
2016-05-1616051802-04AND
2016-07-1816071828-06AND
2016-07-1816071828-04AND
2016-07-2116072337-02AND
2016-08-2316083360-03AND
2016-08-2316083360-04AND
2016-10-1316101669-02AND
2016-10-1716101956-04AND
2016-10-1716101956-06AND
2016-10-2716103065-03AND
2016-10-2716103065-04AND
2016-11-1416111726-02AND
2016-11-1416111726-04AND
2017-01-1217011367-02AND
2017-01-1917012031-04AND
2017-01-1917012031-06AND
2017-02-1517021950-04AND
2017-02-1517021950-02AND
2017-04-1717041917-04AND
2017-04-1717041917-06AND
2017-04-2617042938-02AND
2017-05-2317053016-02AND
2017-05-2317053016-04AND
2017-07-2017072492-02AND
2017-07-2417072744-04AND
2017-07-2417072744-06AND
2017-08-0917081608-04AND
2017-08-0917081608-02AND
2017-10-1117101459-02AND
2017-10-1117101459-04AND
2017-10-1117101459-06AND
2017-10-1117101459--08AND
2017-10-1117101459-10AND
2017-10-1117101459-12AND
2017-10-1117101459-14AND
2017-10-1117101459-16AND
2018-01-1618011706-02AND
2018-01-1618011706-04AND
2018-01-1618011706-06AND
2018-01-1618011706-08AND
2018-01-1618011706-10AND
2018-01-1618011706-12AND
2018-01-1618011706-14A2.36 ppb
2018-01-1618011706-16A1.84 ppb
2018-04-1218041724-02AND
2018-04-1218041724-04AND
2018-04-1218041724-06AND
2018-04-1218041724-08A1.28 ppb
2018-04-1218041724-10AND
2018-04-1218041724-12AND
2018-04-1218041724-14AND
2018-04-1218041724-16AND
2018-07-2418073115-02AND
2018-07-2418073115-04AND
2018-07-2418073115-06AND
2018-07-2418073115-08AND
2018-07-2418073115-10AND
2018-07-2418073115-12AND
2018-07-2418073115-14AND
2018-07-2418073115-16AND
2018-10-1718102482-02AND
2018-10-1718102482-04AND
2018-10-1718102482-06AND
2018-10-1718102482-08AND
2018-10-1718102482-10AND
2018-10-1718102482-12AND
2018-10-1718102482-14AND
2018-10-1718102482-16AND
2019-01-2419012822-02A0.666 ppb
2019-01-2419012822-05A0.520 ppb
2019-01-2419012822-07AND
2019-01-2419012822-09AND
2019-01-2419012822-11A0.506 ppb
2019-01-2419012822-15AND
2019-01-2419012822-17AND
2019-01-2419012882-13A0.517 ppb
2019-04-1119041634-02AND
2019-04-1119041634-04AND
2019-04-1119041634-06AND
2019-04-1119041634-08AND
2019-04-1119041634-10AND
2019-04-1119041634-12AND
2019-04-1119041634-14AND
2019-04-1119041634-16AND
2019-07-1119071661-02AND
2019-07-1119071661-04AND
2019-07-1119071661-06AND
2019-07-1119071661-08AND
2019-07-1119071661-10AND
2019-07-1119071661-12AND
2019-07-1119071661-14AND
2019-07-1119071661-16AND
2019-07-2319072864-02AND
2019-07-2319072864-04AND
2019-07-2319072864-06AND
2019-07-2319072864-08AND
2019-07-2319072864-10AND
2019-07-2319072864-12AND
2019-07-2319072864-14AND
2019-07-2319072864-16AND
2019-10-10734387002ND
2019-10-10734387005ND
2019-10-10734387007ND
2019-10-10734387009ND
2019-10-10734387011ND
2019-10-10734387013ND
2019-10-10734387015ND
2019-10-10734387017ND