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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Connecticut Water Company - Northern Region-Western System

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

 

160

Samples

0

Samples exceeding legal limit (MCL)

40

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.0938 ppb323ND - 1.000 ppb
2015N/A00N/A
20160.178 ppb324ND - 1.70 ppb
20170.378 ppb329ND - 1.60 ppb
20180.0906 ppb324ND - 1.10 ppb
20190.406 ppb3220ND - 1.10 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
2014-02-041747HAA5ND
2014-02-041748HAA5ND
2014-02-041749HAA5ND
2014-02-041750HAA51.000 ppb
2014-02-041751HAA5ND
2014-02-041752HAA5ND
2014-02-041753HAA5ND
2014-02-041754HAA5ND
2014-05-063067HAA5ND
2014-05-066107HAA5ND
2014-05-066108HAA5ND
2014-05-066109HAA5ND
2014-05-066110HAA5ND
2014-05-066112HAA5ND
2014-05-066113HAA5ND
2014-05-066114HAA51.000 ppb
2014-08-05BG88648HAA5ND
2014-08-05BG88649HAA5ND
2014-08-05BG88650HAA5ND
2014-08-05BG88651HAA5ND
2014-08-05BG88652HAA5ND
2014-08-05BG88653HAA5ND
2014-08-05BG88654HAA5ND
2014-08-05BG88655HAA51.000 ppb
2014-11-25BH46470HAA5ND
2014-11-25BH46471HAA5ND
2014-11-25BH46472HAA5ND
2014-11-25BH46473HAA5ND
2014-11-25BH46474HAA5ND
2014-11-25BH46475HAA5ND
2014-11-25BH46476HAA5ND
2014-11-25BH46477HAA5ND
2016-02-04BK61857HAA51.70 ppb
2016-02-04BK61858HAA5ND
2016-02-04BK61859HAA5ND
2016-02-04BK61860HAA5ND
2016-02-04BK61861HAA5ND
2016-02-04BK61862HAA51.000 ppb
2016-02-04BK61863HAA5ND
2016-02-04BK61864HAA5ND
2016-05-05BN26300HAA5ND
2016-05-05BN26301HAA5ND
2016-05-05BN26302HAA5ND
2016-05-05BN26303HAA5ND
2016-05-05BN26304HAA5ND
2016-05-05BN26305HAA5ND
2016-05-05BN26306HAA5ND
2016-05-05BN26307HAA5ND
2016-08-18BN94948HAA5ND
2016-08-18BN94949HAA5ND
2016-08-18BN94950HAA5ND
2016-08-18BN94951HAA5ND
2016-08-18BN94952HAA5ND
2016-08-18BN94953HAA5ND
2016-08-18BN94954HAA5ND
2016-08-18BN94955HAA5ND
2016-11-03BV75338HAA51.70 ppb
2016-11-03BV75339HAA5ND
2016-11-03BV75340HAA5ND
2016-11-03BV75341HAA5ND
2016-11-03BV75342HAA5ND
2016-11-03BV75343HAA51.30 ppb
2016-11-03BV75344HAA5ND
2016-11-03BV75345HAA5ND
2017-02-02BX44867HAA51.30 ppb
2017-02-02BX44868HAA5ND
2017-02-02BX44869HAA5ND
2017-02-02BX44870HAA5ND
2017-02-02BX44871HAA5ND
2017-02-02BX44872HAA5ND
2017-02-02BX44873HAA5ND
2017-02-02BX44874HAA5ND
2017-05-04BY15439HAA51.20 ppb
2017-05-04BY15440HAA5ND
2017-05-04BY15441HAA51.20 ppb
2017-05-04BY15442HAA5ND
2017-05-04BY15443HAA5ND
2017-05-04BY15444HAA51.10 ppb
2017-05-04BY15445HAA5ND
2017-05-04BY15446HAA5ND
2017-08-07BY79801HAA5ND
2017-08-07BY79802HAA5ND
2017-08-07BY79803HAA51.20 ppb
2017-08-07BY79804HAA51.60 ppb
2017-08-07BY79805HAA5ND
2017-08-07BY79806HAA51.30 ppb
2017-08-07BY79807HAA51.60 ppb
2017-08-07BY79808HAA51.60 ppb
2017-11-06BZ33918HAA5ND
2017-11-16BZ43465HAA5ND
2017-11-16BZ43466HAA5ND
2017-11-16BZ43467HAA5ND
2017-11-16BZ43468HAA5ND
2017-11-16BZ43469HAA5ND
2017-11-16BZ43470HAA5ND
2017-11-16BZ43471HAA5ND
2018-02-01BZ83504HAA51.10 ppb
2018-02-01BZ83505HAA5ND
2018-02-01BZ83506HAA5ND
2018-02-01BZ83507HAA5ND
2018-02-01BZ83508HAA5ND
2018-02-01BZ83509HAA5ND
2018-02-01BZ83510HAA5ND
2018-02-21BZ93283HAA5ND
2018-05-03CA41161HAA5ND
2018-05-03CA41162HAA5ND
2018-05-03CA41163HAA5ND
2018-05-03CA41164HAA5ND
2018-05-03CA41165HAA5ND
2018-05-03CA41166HAA5ND
2018-05-03CA41167HAA5ND
2018-05-15CA48118HAA5ND
2018-08-02CB04020ND
2018-08-02CB04021ND
2018-08-02CB04022ND
2018-08-02CB04023ND
2018-08-02CB04024ND
2018-08-02CB04025ND
2018-08-02CB04026ND
2018-08-06CB05840ND
2018-11-01DBP 200511133ND
2018-11-01DBP 200511134ND
2018-11-01DBP 200511135ND
2018-11-01DBP 200511136ND
2018-11-01DBP 2005111370.600 ppb
2018-11-01DBP 2005111380.600 ppb
2018-11-01DBP 2005111390.600 ppb
2018-11-05DBP 200511389ND
2019-02-07DBP 200521083ND
2019-02-07DBP 2005210840.500 ppb
2019-02-07DBP 200521085ND
2019-02-07DBP 200521086ND
2019-02-07DBP 2005210870.700 ppb
2019-02-07DBP 2005210880.600 ppb
2019-02-07DBP 2005210891.10 ppb
2019-02-11DBP 2005212560.500 ppb
2019-05-09DBP 200531575ND
2019-05-09DBP 2005315760.600 ppb
2019-05-09DBP 2005315770.800 ppb
2019-05-09DBP 2005315820.600 ppb
2019-05-09DBP 2005315840.600 ppb
2019-05-09DBP 2005315860.500 ppb
2019-05-09DBP 2005315870.600 ppb
2019-05-13DBP 200531837ND
2019-08-01DBP 200542722ND
2019-08-01DBP 200542723ND
2019-08-01DBP 2005427240.800 ppb
2019-08-01DBP 200542725ND
2019-08-01DBP 2005427260.700 ppb
2019-08-01DBP 2005427270.600 ppb
2019-08-01DBP 2005427280.600 ppb
2019-08-13DBP 2005447580.800 ppb
2019-11-07DBP 200555828ND
2019-11-07DBP 200555830ND
2019-11-07DBP 200555831ND
2019-11-07DBP 200555832ND
2019-11-07DBP 2005558330.500 ppb
2019-11-07DBP 2005558340.600 ppb
2019-11-07DBP 2005558350.700 ppb
2019-11-18DBP 2005570040.600 ppb