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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Suburban Water Systems-covina Knolls

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

 

52

Samples

0

Samples exceeding legal limit (MCL)

37

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20142.23 ppb1210ND - 7.70 ppb
20151.21 ppb84ND - 2.60 ppb
20165.03 ppb883.00 ppb - 7.10 ppb
20172.08 ppb84ND - 6.50 ppb
20183.38 ppb87ND - 4.50 ppb
20191.98 ppb84ND - 6.90 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
2014-01-229588-801-09302.20 ppb
2014-01-229588-800-09052.30 ppb
2014-04-219588-801-08402.30 ppb
2014-04-219588-800-08302.00 ppb
2014-07-229588-801-0900ND
2014-07-229588-800-0850ND
2014-10-139588-801-11151.20 ppb
2014-10-139588-800-11007.70 ppb
2014-10-229588-801-09002.10 ppb
2014-10-229588-800-08502.10 ppb
2014-12-109588-801-08552.80 ppb
2014-12-109588-800-08452.00 ppb
2015-01-229588-800-08452.30 ppb
2015-01-229588-801-09002.30 ppb
2015-04-219588-800-08552.60 ppb
2015-04-219588-801-09052.50 ppb
2015-07-279588-800-0850ND
2015-07-279588-801-0900ND
2015-10-229588-800-0850ND
2015-10-229588-801-0905ND
2016-01-229588-800-09006.30 ppb
2016-01-229588-801-09157.10 ppb
2016-04-219588-800-09253.70 ppb
2016-04-219588-801-09353.00 ppb
2016-07-229588-800-08156.70 ppb
2016-07-229588-801-08306.70 ppb
2016-10-249588-801-09203.70 ppb
2016-10-249588-800-09103.00 ppb
2017-01-259588-801-09156.50 ppb
2017-01-259588-800-09005.80 ppb
2017-04-219588-801-0900ND
2017-04-219588-800-0845ND
2017-07-249588-801-0830ND
2017-07-249588-800-0820ND
2017-10-239588-801-08502.30 ppb
2017-10-239588-800-08402.00 ppb
2018-01-229588-801-09203.70 ppb
2018-01-229588-800-09053.90 ppb
2018-04-239588-801-09003.70 ppb
2018-04-239588-800-08503.10 ppb
2018-07-239588-801-08554.30 ppb
2018-07-239588-800-08404.50 ppb
2018-10-229588-801-0930ND
2018-10-229588-800-09153.80 ppb
2019-01-229588-801-09006.90 ppb
2019-01-229588-800-08506.50 ppb
2019-04-229588-801-08551.30 ppb
2019-04-229588-800-08401.10 ppb
2019-07-229588-801-0840ND
2019-07-229588-800-0825ND
2019-10-229588-801-0845ND
2019-10-229588-800-0830ND