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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Bi County WSC 1

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

 

90

Samples

0

Samples exceeding legal limit (MCL)

76

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20144.93 ppb109ND - 7.10 ppb
20151.61 ppb165ND - 6.30 ppb
20165.16 ppb16163.30 ppb - 6.40 ppb
20178.38 ppb16162.80 ppb - 18.4 ppb
20184.16 ppb1614ND - 6.70 ppb
20194.18 ppb16162.20 ppb - 7.90 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
2014-07-14Q14274730195.70 ppb
2014-07-14Q14274730185.10 ppb
2014-09-19Q1446664003ND
2014-09-19Q14466640024.50 ppb
2014-09-19Q14466640016.60 ppb
2014-09-19Q14466640047.10 ppb
2014-11-21Q14575580015.50 ppb
2014-11-21Q14575580026.50 ppb
2014-11-21Q14575580034.80 ppb
2014-11-21Q14575580043.50 ppb
2015-02-05Q1504623006ND
2015-02-05Q15046230054.40 ppb
2015-02-05Q15046230044.90 ppb
2015-02-05Q15046230034.50 ppb
2015-04-16Q1514410018ND
2015-04-16Q1514410021ND
2015-04-16Q1514410020ND
2015-04-16Q15144100196.30 ppb
2015-09-04Q15346570015.70 ppb
2015-09-04Q1534657002ND
2015-09-04Q1534657004ND
2015-09-04Q1534657003ND
2015-10-28Q1542684004ND
2015-10-28Q1542684003ND
2015-10-28Q1542684002ND
2015-10-28Q1542684001ND
2016-01-26Q16033270043.30 ppb
2016-01-26Q16033270035.60 ppb
2016-01-26Q16033270024.40 ppb
2016-01-26Q16033270016.40 ppb
2016-04-19Q16152950044.80 ppb
2016-04-19Q16152950025.00 ppb
2016-04-19Q16152950036.00 ppb
2016-04-19Q16152950053.50 ppb
2016-07-21Q16297320043.50 ppb
2016-07-21Q16297320035.20 ppb
2016-07-21Q16297320026.10 ppb
2016-07-21Q16297320016.20 ppb
2016-10-06Q16425530294.00 ppb
2016-10-06Q16425530285.70 ppb
2016-10-06Q16425530276.40 ppb
2016-10-06Q16425530266.40 ppb
2017-01-05Q17005590185.10 ppb
2017-01-05Q17005590412.80 ppb
2017-01-05Q17005590194.40 ppb
2017-01-05Q17005590404.70 ppb
2017-04-19Q17164230044.00 ppb
2017-04-19Q17164230036.40 ppb
2017-04-19Q17164230025.40 ppb
2017-04-19Q17164230015.10 ppb
2017-07-20Q172990500217.5 ppb
2017-07-20Q172990500318.4 ppb
2017-07-20Q172990500118.0 ppb
2017-07-20Q172990500417.9 ppb
2017-10-02Q17485470047.10 ppb
2017-10-02Q17485470035.90 ppb
2017-10-02Q17485470058.20 ppb
2017-10-02Q17485470063.20 ppb
2018-01-09Q18009030532.70 ppb
2018-01-09Q18009030525.20 ppb
2018-01-09Q18009030515.30 ppb
2018-01-09Q18009030504.80 ppb
2018-05-21Q1820414003ND
2018-05-21Q18204140014.70 ppb
2018-05-21Q18204140026.20 ppb
2018-05-21Q1820414004ND
2018-09-10Q18356200052.60 ppb
2018-09-10Q18356200025.40 ppb
2018-09-10Q18356200036.70 ppb
2018-09-10Q18356200044.20 ppb
2018-10-22Q18419230043.00 ppb
2018-10-22Q18419230036.00 ppb
2018-10-22Q18419230025.30 ppb
2018-10-22Q18419230014.50 ppb
2019-01-15Q19020830333.90 ppb
2019-01-15Q19020830344.30 ppb
2019-01-15Q19020830354.20 ppb
2019-01-15Q19020830362.60 ppb
2019-04-18Q19158240022.50 ppb
2019-04-18Q19158240045.10 ppb
2019-04-18Q19158240012.20 ppb
2019-04-18Q19158240034.10 ppb
2019-08-07Q19519250052.70 ppb
2019-08-07Q19519250045.00 ppb
2019-08-07Q19519250035.60 ppb
2019-08-07Q19519250026.00 ppb
2019-10-14Q19724040047.90 ppb
2019-10-14Q19724040054.00 ppb
2019-10-14Q19724040063.00 ppb
2019-10-14Q19724040033.80 ppb