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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

South Norwalk Electric and Water

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

 

80

Samples

0

Samples exceeding legal limit (MCL)

11

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0313 ppb161ND - 0.500 ppb
2015N/A00N/A
20160.269 ppb166ND - 0.900 ppb
20170.938 ppb163ND - 13.7 ppb
20180.0375 ppb161ND - 0.600 ppb
2019ND160ND

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
2014-02-1014021026-HAA5ND
2014-02-1014021032-HAA5ND
2014-02-1014021037-HAA5ND
2014-02-1014021022-HAA5ND
2014-05-0714050722-HAA5ND
2014-05-0714050726-HAA5ND
2014-05-0714050732-HAA5ND
2014-05-0714050737-HAA5ND
2014-08-0414080437-HAA5ND
2014-08-0414080432-HAA5ND
2014-08-0414080426-HAA5ND
2014-08-0414080422-HAA50.500 ppb
2014-11-0314110322-HAA5ND
2014-11-0314110326-HAA5ND
2014-11-0314110332-HAA5ND
2014-11-0314110337-HAA5ND
2016-02-0116020122-HAA50.900 ppb
2016-02-0116020126-HAA5ND
2016-02-0116020132-HAA50.600 ppb
2016-02-0116020137-HAA5ND
2016-05-1116051126-HAA5ND
2016-05-1116051137-HAA5ND
2016-05-1116051132-HAA50.800 ppb
2016-05-1116051122-HAA50.900 ppb
2016-08-0316080326-HAA5ND
2016-08-0316080332-HAA5ND
2016-08-0316080337-HAA5ND
2016-08-0316080322-HAA50.500 ppb
2016-11-0216110222-HAA50.600 ppb
2016-11-0216110226-HAA5ND
2016-11-0216110232-HAA5ND
2016-11-0216110237-HAA5ND
2017-02-0617020622-HAA5ND
2017-02-0617020637-HAA5ND
2017-02-0617020632-HAA5ND
2017-02-0617020626-HAA5ND
2017-05-0217050222-HAA5ND
2017-05-0217050226-HAA513.7 ppb
2017-05-0217050232-HAA5ND
2017-05-0217050237-HAA5ND
2017-08-0217080237-HAA5ND
2017-08-0217080222-HAA50.600 ppb
2017-08-0217080226-HAA5ND
2017-08-0217080232-HAA5ND
2017-11-0717110726-HAA5ND
2017-11-0717110732-HAA5ND
2017-11-0717110737-HAA5ND
2017-11-0717110722-HAA50.700 ppb
2018-02-0618020622-HAA50.600 ppb
2018-02-0618020626-HAA5ND
2018-02-0618020632-HAA5ND
2018-02-0618020637-HAA5ND
2018-05-0918050926-HAA5ND
2018-05-0918050937-HAA5ND
2018-05-0918050932-HAA5ND
2018-05-0918050922-HAA5ND
2018-08-0718080722-HAA5ND
2018-08-0718080726-HAA5ND
2018-08-0718080732-HAA5ND
2018-08-0718080737-HAA5ND
2018-11-0618110632-HAA5ND
2018-11-0618110626-HAA5ND
2018-11-0618110622-HAA5ND
2018-11-2918112937-HAA5ND
2019-02-1319021322-HAA5ND
2019-02-1319021326-HAA5ND
2019-02-1319021332-HAA5ND
2019-02-1319021337-HAA5ND
2019-05-0719050737-HAA5ND
2019-05-0719050732-HAA5ND
2019-05-0719050726-HAA5ND
2019-05-0719050722-HAA5ND
2019-08-0619080622-HAA5ND
2019-08-0619080626-HAA5ND
2019-08-0619080632-HAA5ND
2019-08-0619080639-HAA5ND
2019-11-1319111322-HAA5ND
2019-11-1319111326-HAA5ND
2019-11-1319111332-HAA5ND
2019-11-1319111339-HAA5ND