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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Cal-am Water Company - Duarte

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

 

100

Samples

0

Samples exceeding legal limit (MCL)

63

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.163 ppb162ND - 1.30 ppb
20150.506 ppb165ND - 2.30 ppb
20161.14 ppb1613ND - 2.20 ppb
20171.43 ppb1613ND - 3.70 ppb
20181.23 ppb2015ND - 2.60 ppb
20192.27 ppb1615ND - 5.60 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
2014-01-319588-802-0810ND
2014-01-319588-800-0755ND
2014-01-319588-801-0820ND
2014-01-319588-803-0740ND
2014-04-309588-803-0800ND
2014-04-309588-802-0925ND
2014-04-309588-801-0935ND
2014-04-309588-800-0910ND
2014-07-319588-803-1125ND
2014-07-319588-802-1210ND
2014-07-319588-801-1200ND
2014-07-319588-800-1145ND
2014-10-319588-802-0945ND
2014-10-319588-801-0955ND
2014-10-319588-803-10301.30 ppb
2014-10-319588-800-09351.30 ppb
2015-01-299588-803-07302.20 ppb
2015-01-299588-802-08301.10 ppb
2015-01-299588-801-0840ND
2015-01-299588-800-08201.10 ppb
2015-04-309588-803-10451.40 ppb
2015-04-309588-802-0740ND
2015-04-309588-800-0750ND
2015-04-309588-801-0730ND
2015-07-319588-801-0850ND
2015-07-319588-800-0830ND
2015-07-319588-803-0730ND
2015-07-319588-802-0840ND
2015-10-299588-801-0900ND
2015-10-299588-800-0840ND
2015-10-299588-803-07302.30 ppb
2015-10-299588-802-0850ND
2016-01-289588-801-09001.40 ppb
2016-01-289588-800-08401.50 ppb
2016-01-289588-803-07401.90 ppb
2016-01-289588-802-08501.70 ppb
2016-04-289588-801-0915ND
2016-04-289588-800-08501.30 ppb
2016-04-289588-803-07552.20 ppb
2016-04-289588-802-09051.20 ppb
2016-07-289588-801-09001.000 ppb
2016-07-289588-800-08401.20 ppb
2016-07-289588-803-07301.50 ppb
2016-07-289588-802-08401.10 ppb
2016-10-289588-800-08351.20 ppb
2016-10-289588-802-08451.10 ppb
2016-10-289588-803-0735ND
2016-10-289588-801-0855ND
2017-01-309588-801-08501.10 ppb
2017-01-309588-800-08301.30 ppb
2017-01-309588-802-0840ND
2017-01-309588-803-07302.50 ppb
2017-04-289588-803-07302.00 ppb
2017-04-289588-800-08401.70 ppb
2017-04-289588-801-0900ND
2017-04-289588-802-08501.40 ppb
2017-07-319588-803-15153.70 ppb
2017-07-319588-801-15351.20 ppb
2017-07-319588-800-16051.20 ppb
2017-07-319588-802-1550ND
2017-10-319588-803-07402.20 ppb
2017-10-319588-800-08551.90 ppb
2017-10-319588-802-09051.40 ppb
2017-10-319588-801-09251.20 ppb
2018-01-319588-802-0900ND
2018-01-319588-803-0740ND
2018-01-319588-800-08451.40 ppb
2018-01-319588-801-09101.30 ppb
2018-02-209588-802-08302.60 ppb
2018-02-209588-803-07401.50 ppb
2018-02-209588-800-08151.80 ppb
2018-02-209588-801-08401.30 ppb
2018-04-279588-803-07202.60 ppb
2018-04-279588-800-08201.80 ppb
2018-04-279588-801-08401.40 ppb
2018-04-279588-802-08302.30 ppb
2018-07-309588-802-09002.00 ppb
2018-07-309588-803-08451.20 ppb
2018-07-309588-801-0835ND
2018-07-309588-800-08351.10 ppb
2018-10-309588-803-0800ND
2018-10-309588-802-09101.10 ppb
2018-10-309588-801-0920ND
2018-10-309588-800-09001.20 ppb
2019-01-299588-803-08001.90 ppb
2019-01-299588-800-09001.80 ppb
2019-01-299588-801-09251.30 ppb
2019-01-299588-802-09151.70 ppb
2019-04-299588-800-08503.10 ppb
2019-04-299588-802-09055.60 ppb
2019-04-299588-803-07453.00 ppb
2019-04-299588-801-09253.30 ppb
2019-07-299588-802-08101.80 ppb
2019-07-299588-800-08002.30 ppb
2019-07-299588-803-07002.60 ppb
2019-07-299588-801-08201.90 ppb
2019-10-299588-802-08352.10 ppb
2019-10-299588-801-08451.30 ppb
2019-10-299588-800-08202.60 ppb
2019-10-299588-803-0720ND