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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Los Angeles, City Of - Power Plant #2

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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

18

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
20151.72 ppb771.01 ppb - 2.96 ppb
20161.65 ppb76ND - 2.36 ppb
20170.305 ppb41ND - 1.22 ppb
20180.580 ppb42ND - 1.21 ppb
20190.578 ppb42ND - 1.16 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
2015-02-051200-002-11201.05 ppb
2015-02-051200-800-11451.01 ppb
2015-05-121200-002-14201.83 ppb
2015-05-121200-800-13201.82 ppb
2015-09-021200-800-09302.96 ppb
2015-12-091200-002-11051.54 ppb
2015-12-091200-800-11351.82 ppb
2016-02-031200-002-10451.91 ppb
2016-02-031200-800-11301.92 ppb
2016-05-051200-002-10152.36 ppb
2016-05-051200-800-1050ND
2016-08-041200-800-09201.50 ppb
2016-10-061200-800-09051.87 ppb
2016-10-061200-002-11302.00 ppb
2017-02-271200-800-11301.22 ppb
2017-05-221200-800-1215ND
2017-08-151200-800-1210ND
2017-11-221200-800-1020ND
2018-02-201200-800-09471.21 ppb
2018-05-211200-800-10071.11 ppb
2018-08-211200-800-1115ND
2018-12-171200-800-1023ND
2019-02-061200-800-1123ND
2019-05-061200-800-10511.15 ppb
2019-08-051200-800-1202ND
2019-11-041200-800-12061.16 ppb