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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Lahaina

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

 

84

Samples

0

Samples exceeding legal limit (MCL)

43

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
20150.958 ppb2414ND - 2.80 ppb
20160.442 ppb124ND - 1.60 ppb
20170.938 ppb169ND - 2.50 ppb
20180.563 ppb165ND - 2.00 ppb
20191.33 ppb1611ND - 3.00 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
2015-01-142015011602041.40 ppb
2015-01-142015011602051.30 ppb
2015-01-142015011602061.60 ppb
2015-01-142015011602071.50 ppb
2015-01-14201501160208ND
2015-01-142015011602031.60 ppb
2015-04-10201504150970ND
2015-04-10201504150969ND
2015-04-102015041509681.60 ppb
2015-04-102015041509672.20 ppb
2015-04-102015041509662.80 ppb
2015-04-13201504150981ND
2015-07-02201507070500ND
2015-07-02201507070501ND
2015-07-02201507070502ND
2015-07-022015070705031.30 ppb
2015-07-02201507070504ND
2015-07-02201507070505ND
2015-10-092015101306421.60 ppb
2015-10-092015101306471.30 ppb
2015-10-092015101306461.30 ppb
2015-10-092015101306452.00 ppb
2015-10-09201510130644ND
2015-10-092015101306431.50 ppb
2016-01-07ND
2016-01-07ND
2016-01-07ND
2016-01-07ND
2016-01-07ND
2016-01-07ND
2016-04-141.20 ppb
2016-04-141.40 ppb
2016-07-21ND
2016-07-21ND
2016-10-061.60 ppb
2016-10-061.10 ppb
2017-01-12ND
2017-01-12ND
2017-01-23ND
2017-01-231.10 ppb
2017-04-06ND
2017-04-06ND
2017-04-06ND
2017-04-06ND
2017-07-141.40 ppb
2017-07-141.40 ppb
2017-07-141.70 ppb
2017-07-142.50 ppb
2017-10-061.20 ppb
2017-10-062.50 ppb
2017-10-062.00 ppb
2017-10-061.20 ppb
2018-01-11201801170693ND
2018-01-11201801170696ND
2018-01-11201801170694ND
2018-01-11201801170695ND
2018-04-05201804110018ND
2018-04-05201804110020ND
2018-04-05201804110019ND
2018-04-05201804110017ND
2018-07-06201807111033ND
2018-07-232018072503841.40 ppb
2018-07-23201807250383ND
2018-07-23201807250382ND
2018-10-042018100905182.00 ppb
2018-10-042018100905191.80 ppb
2018-10-042018100905211.80 ppb
2018-10-042018100905202.00 ppb
2019-01-04201901080075ND
2019-01-04201901080076ND
2019-01-04201901080074ND
2019-01-042019010800731.60 ppb
2019-04-022019040403501.70 ppb
2019-04-022019040403511.90 ppb
2019-04-022019040403481.70 ppb
2019-04-022019040403491.20 ppb
2019-07-26201907300315ND
2019-07-262019073003141.20 ppb
2019-07-262019073003162.40 ppb
2019-07-262019073003172.40 ppb
2019-10-03201910080613ND
2019-10-032019100806121.60 ppb
2019-10-032019100806142.60 ppb
2019-10-032019100806153.00 ppb