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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

California Domestic Water Company

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

 

74

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND120ND
20150.1000 ppb121ND - 1.20 ppb
20160.408 ppb122ND - 3.40 ppb
2017ND120ND
2018ND120ND
2019ND140ND

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
2014-01-299588-802-1415ND
2014-01-299588-801-1430ND
2014-01-299588-800-1405ND
2014-04-289588-802-1325ND
2014-04-289588-801-1340ND
2014-04-289588-800-1315ND
2014-07-299588-802-0740ND
2014-07-299588-801-0755ND
2014-07-299588-800-0730ND
2014-10-299588-802-1255ND
2014-10-299588-801-1315ND
2014-10-299588-800-1245ND
2015-01-279588-801-1155ND
2015-01-279588-802-1140ND
2015-01-279588-800-1130ND
2015-04-279588-802-1115ND
2015-04-279588-801-1130ND
2015-04-279588-800-1105ND
2015-07-309588-800-1210ND
2015-07-309588-802-1225ND
2015-07-309588-801-1240ND
2015-10-279588-801-1140ND
2015-10-279588-802-1125ND
2015-10-279588-800-11101.20 ppb
2016-01-279588-801-1140ND
2016-01-279588-802-1130ND
2016-01-279588-800-11153.40 ppb
2016-04-269588-801-1230ND
2016-04-269588-800-11551.50 ppb
2016-04-269588-802-1210ND
2016-07-279588-800-1155ND
2016-07-279588-802-1205ND
2016-07-279588-801-1225ND
2016-10-279588-802-1200ND
2016-10-279588-800-1140ND
2016-10-279588-801-1215ND
2017-01-269588-800-1115ND
2017-01-269588-802-1130ND
2017-01-269588-801-1145ND
2017-04-269588-800-1105ND
2017-04-269588-802-1115ND
2017-04-269588-801-1135ND
2017-07-269588-800-0710ND
2017-07-269588-802-0700ND
2017-07-269588-801-0725ND
2017-10-269588-800-1115ND
2017-10-269588-801-1145ND
2017-10-269588-802-1130ND
2018-01-299588-800-1130ND
2018-01-299588-801-1155ND
2018-01-299588-802-1140ND
2018-04-269588-802-1130ND
2018-04-269588-800-1120ND
2018-04-269588-801-1140ND
2018-07-269588-802-1045ND
2018-07-269588-801-1100ND
2018-07-269588-800-1030ND
2018-10-259588-802-1215ND
2018-10-259588-801-1230ND
2018-10-259588-800-1200ND
2019-01-289588-802-1055ND
2019-01-289588-801-1115ND
2019-01-289588-800-1040ND
2019-04-269588-800-1120ND
2019-04-269588-802-1135ND
2019-04-269588-801-1150ND
2019-07-259588-802-0805ND
2019-07-259588-800-0815ND
2019-07-259588-801-0830ND
2019-10-319588-807-1000ND
2019-10-319588-806-0945ND
2019-10-319588-805-0930ND
2019-10-319588-804-0910ND
2019-10-319588-803-0850ND