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EWG's Tap Water Database — 2019 UPDATE

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Dibromoacetic acid

Los Angeles County WW District 4 & 34-Lancaster

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.

 

96

Samples

0

Samples exceeding legal limit (MCL)

84

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
20146.16 ppb1916ND - 11.0 ppb
20159.87 ppb3231ND - 19.2 ppb
20168.31 ppb29292.79 ppb - 18.3 ppb
20172.31 ppb168ND - 9.44 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
2014-04-095442-806-093010.7 ppb
2014-04-095442-801-0910ND
2014-04-095442-800-09505.90 ppb
2014-07-075442-806-083511.0 ppb
2014-07-075442-800-09006.31 ppb
2014-07-085442-801-1040ND
2014-07-085442-804-08457.08 ppb
2014-07-085442-805-080011.0 ppb
2014-07-085442-807-08354.02 ppb
2014-07-085442-802-12073.61 ppb
2014-07-085442-803-09307.33 ppb
2014-10-065442-800-131810.3 ppb
2014-10-065442-806-0830ND
2014-10-075442-801-10445.32 ppb
2014-10-075442-802-11564.31 ppb
2014-10-075442-803-09404.60 ppb
2014-10-075442-807-08505.63 ppb
2014-10-075442-804-08599.06 ppb
2014-10-075442-805-082010.9 ppb
2015-01-125442-806-13318.00 ppb
2015-01-125442-800-130510.5 ppb
2015-01-135442-807-09104.49 ppb
2015-01-135442-803-09502.49 ppb
2015-01-135442-805-08305.98 ppb
2015-01-135442-802-12301.61 ppb
2015-01-135442-801-1050ND
2015-01-135442-804-09103.68 ppb
2015-04-085442-804-114310.5 ppb
2015-04-085442-803-11303.62 ppb
2015-04-085442-805-13076.90 ppb
2015-04-085442-806-104510.8 ppb
2015-04-085442-807-115111.0 ppb
2015-04-085442-800-102010.3 ppb
2015-04-085442-801-111211.2 ppb
2015-04-085442-802-10561.63 ppb
2015-07-075442-804-094516.9 ppb
2015-07-075442-802-12308.00 ppb
2015-07-075442-805-144019.2 ppb
2015-07-075442-807-133016.4 ppb
2015-07-075442-803-100017.1 ppb
2015-07-085442-806-123016.6 ppb
2015-07-155442-801-084412.9 ppb
2015-07-155442-800-114011.4 ppb
2015-10-075442-804-090717.3 ppb
2015-10-075442-803-091717.4 ppb
2015-10-075442-805-082814.2 ppb
2015-10-075442-800-13108.64 ppb
2015-10-075442-807-085013.5 ppb
2015-10-075442-802-12382.19 ppb
2015-10-075442-806-132515.9 ppb
2015-11-125442-801-10305.64 ppb
2016-01-115442-800-12357.06 ppb
2016-01-115442-806-12578.85 ppb
2016-01-135442-802-11193.96 ppb
2016-01-135442-807-09047.44 ppb
2016-01-135442-801-10534.83 ppb
2016-01-135442-804-09228.80 ppb
2016-01-135442-805-082112.8 ppb
2016-01-135442-803-10343.54 ppb
2016-04-145442-802-10452.79 ppb
2016-04-145442-807-11466.49 ppb
2016-04-145442-804-11358.27 ppb
2016-04-145442-805-120712.9 ppb
2016-04-145442-806-10238.85 ppb
2016-04-145442-800-10056.59 ppb
2016-04-145442-803-11189.37 ppb
2016-04-145442-801-11036.32 ppb
2016-07-155442-807-090112.8 ppb
2016-07-155442-801-09585.73 ppb
2016-07-155442-800-10566.06 ppb
2016-07-155442-802-101812.4 ppb
2016-07-155442-803-09369.17 ppb
2016-07-155442-804-091614.2 ppb
2016-07-155442-805-084218.3 ppb
2016-07-155442-806-11158.89 ppb
2016-10-135442-804-12035.75 ppb
2016-10-145442-802-09362.88 ppb
2016-10-145442-800-10368.04 ppb
2016-10-145442-801-09057.43 ppb
2016-10-145442-806-101110.6 ppb
2017-01-115442-803-10562.46 ppb
2017-01-115442-802-1112ND
2017-01-125442-806-11151.05 ppb
2017-01-125442-807-10384.89 ppb
2017-01-125442-805-10207.57 ppb
2017-01-125442-804-10512.53 ppb
2017-01-255442-801-10207.30 ppb
2017-01-255442-800-12459.44 ppb
2017-07-109588-806-1112ND
2017-07-109588-801-0904ND
2017-07-109588-803-0949ND
2017-07-109588-800-0802ND
2017-07-109588-805-10151.70 ppb
2017-07-109588-807-0926ND
2017-07-109588-804-1012ND
2017-07-109588-802-0833ND