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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Acton MUD

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

 

96

Samples

0

Samples exceeding legal limit (MCL)

39

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.738 ppb166ND - 2.60 ppb
20150.419 ppb162ND - 4.20 ppb
20160.525 ppb163ND - 3.00 ppb
20172.54 ppb168ND - 9.70 ppb
20181.25 ppb169ND - 4.40 ppb
20192.46 ppb1611ND - 8.80 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
2014-02-26Q1406446001ND
2014-02-26Q1406446004ND
2014-02-26Q1406446003ND
2014-02-26Q1406446002ND
2014-04-16Q1412086058ND
2014-04-16Q1412086057ND
2014-04-16Q14120860561.30 ppb
2014-04-16Q14120860551.20 ppb
2014-08-18Q14374170042.60 ppb
2014-08-18Q14374170032.60 ppb
2014-08-18Q14374170051.90 ppb
2014-08-18Q1437417006ND
2014-10-22Q1453502004ND
2014-10-22Q1453502003ND
2014-10-22Q1453502002ND
2014-10-22Q14535020012.20 ppb
2015-02-09Q1504919060ND
2015-02-09Q1504919059ND
2015-02-09Q15049190582.50 ppb
2015-02-09Q15049190574.20 ppb
2015-06-23Q1523540003ND
2015-06-23Q1523540004ND
2015-06-23Q1523540006ND
2015-06-23Q1523540005ND
2015-08-06Q1530881004ND
2015-08-06Q1530881003ND
2015-08-06Q1530881002ND
2015-08-06Q1530881001ND
2015-10-27Q1542356014ND
2015-10-27Q1542356013ND
2015-10-27Q1542356012ND
2015-10-27Q1542356011ND
2016-01-19Q1602084052ND
2016-01-19Q1602084051ND
2016-01-19Q1602084053ND
2016-01-19Q1602084054ND
2016-05-31Q1621309004ND
2016-05-31Q1621309003ND
2016-05-31Q1621309002ND
2016-05-31Q1621309001ND
2016-07-28Q1630951004ND
2016-07-28Q1630951003ND
2016-07-28Q16309510022.90 ppb
2016-07-28Q16309510012.50 ppb
2016-11-30Q1652001001ND
2016-11-30Q1652001003ND
2016-11-30Q1652001002ND
2016-11-30Q16520010073.00 ppb
2017-02-16Q1706809005ND
2017-02-16Q17068090041.30 ppb
2017-02-16Q17068090039.70 ppb
2017-02-16Q17068090029.30 ppb
2017-05-08Q1718746005ND
2017-05-08Q1718746004ND
2017-05-08Q17187460036.00 ppb
2017-05-08Q17187460026.20 ppb
2017-07-17Q17292140021.70 ppb
2017-07-17Q1729214001ND
2017-07-17Q1729214003ND
2017-07-17Q1729214004ND
2017-10-05Q1749124052ND
2017-10-05Q1749124018ND
2017-10-05Q17491240513.30 ppb
2017-10-05Q17491240503.20 ppb
2018-02-15Q1806602004ND
2018-02-15Q1806602003ND
2018-02-15Q18066020021.70 ppb
2018-02-15Q18066020012.40 ppb
2018-05-01Q18173720222.80 ppb
2018-05-01Q1817372023ND
2018-05-01Q1817372025ND
2018-05-01Q1817372024ND
2018-07-23Q18290490041.000 ppb
2018-07-23Q18290490021.30 ppb
2018-07-23Q18290490011.10 ppb
2018-07-23Q18290490031.40 ppb
2018-12-11Q1850865003ND
2018-12-11Q1850865007ND
2018-12-11Q18508650023.90 ppb
2018-12-11Q18508650064.40 ppb
2019-01-10Q19015060134.50 ppb
2019-01-10Q19015060018.80 ppb
2019-01-10Q1901506007ND
2019-01-10Q1901506014ND
2019-04-18Q1915698008ND
2019-04-18Q19156980073.30 ppb
2019-04-18Q19156980063.90 ppb
2019-05-15Q1925754001ND
2019-09-04Q19621650041.20 ppb
2019-09-04Q19621650031.70 ppb
2019-09-04Q19621650023.10 ppb
2019-09-04Q19621650012.90 ppb
2019-10-29Q19743660014.00 ppb
2019-10-29Q1974366004ND
2019-10-29Q19743660032.00 ppb
2019-10-29Q19743660024.00 ppb