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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Pendleton Water Association

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

 

100

Samples

0

Samples exceeding legal limit (MCL)

66

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.275 ppb164ND - 1.10 ppb
20150.825 ppb1610ND - 1.70 ppb
2016ND160ND
20171.89 ppb16161.10 ppb - 5.40 ppb
20181.82 ppb16160.960 ppb - 2.80 ppb
20191.66 ppb20201.20 ppb - 2.50 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
2014-01-21L0039248-04ND
2014-01-21L0039248-03ND
2014-01-21L0039248-04ND
2014-01-21L0039248-03ND
2014-04-07L0041788-011.10 ppb
2014-04-07L0041788-021.10 ppb
2014-04-07L0041788-021.10 ppb
2014-04-07L0041788-011.10 ppb
2014-07-0735145584001ND
2014-07-0735145584002ND
2014-07-0735145584002ND
2014-07-0735145584001ND
2014-10-01L0048869-01ND
2014-10-01L0048869-02ND
2014-10-01L0048869-02ND
2014-10-01L0048869-01ND
2015-01-12L0052909-011.10 ppb
2015-01-12L0052909-02ND
2015-01-12L0052909-02ND
2015-01-12L0052909-011.10 ppb
2015-04-13LA5871-11.20 ppb
2015-04-13LA5871-21.000 ppb
2015-04-13LA5871-21.000 ppb
2015-04-13LA5871-11.20 ppb
2015-07-02351964310021.70 ppb
2015-07-02351964310011.60 ppb
2015-07-02351964310021.70 ppb
2015-07-02351964310011.60 ppb
2015-10-14LA12858-1ND
2015-10-14LA12858-2ND
2015-10-14LA12858-2ND
2015-10-14LA12858-1ND
2016-01-1335225177001ND
2016-01-1335225177002ND
2016-01-1335225177002ND
2016-01-1335225177001ND
2016-04-13LA19410-1ND
2016-04-13LA19410-1ND
2016-04-13LA19410-2ND
2016-04-13LA19410-2ND
2016-07-1335254848001ND
2016-07-1335254848001ND
2016-07-133525848002ND
2016-07-133525848002ND
2016-10-17LA26665-1ND
2016-10-17LA26665-2ND
2016-10-17LA26665-1ND
2016-10-17LA26665-2ND
2017-01-19352902050085.40 ppb
2017-01-19352902050071.10 ppb
2017-01-19352902050085.40 ppb
2017-01-19352902050071.10 ppb
2017-04-18353079670081.40 ppb
2017-04-18353079670071.40 ppb
2017-04-18353079670081.40 ppb
2017-04-18353079670071.40 ppb
2017-07-20353256460151.50 ppb
2017-07-20353256460151.50 ppb
2017-07-20353256460141.30 ppb
2017-07-20353256460141.30 ppb
2017-10-02353400190021.50 ppb
2017-10-02353400190011.50 ppb
2017-10-02353400190021.50 ppb
2017-10-02353400190011.50 ppb
2018-01-24353705080011.70 ppb
2018-01-24353705080021.80 ppb
2018-01-24353705080011.70 ppb
2018-01-24353705080021.80 ppb
2018-04-26353888200020.960 ppb
2018-04-26353888200020.960 ppb
2018-04-26353888200011.40 ppb
2018-04-26353888200011.40 ppb
2018-07-23354064790011.90 ppb
2018-07-23354064790021.60 ppb
2018-07-23354064790011.90 ppb
2018-07-23354064790021.60 ppb
2018-10-18354254850022.80 ppb
2018-10-18354254850012.40 ppb
2018-10-18354254850012.40 ppb
2018-10-18354254850022.80 ppb
2019-01-23354443300011.30 ppb
2019-01-23354443300021.30 ppb
2019-01-23354443300011.30 ppb
2019-01-23354443300021.30 ppb
2019-04-15354629420021.20 ppb
2019-04-15354629420011.20 ppb
2019-04-15354629420011.20 ppb
2019-04-15354629420021.20 ppb
2019-07-17354835170021.50 ppb
2019-07-17354835170021.50 ppb
2019-07-17354835170011.50 ppb
2019-07-17354835170011.50 ppb
2019-08-12354900540021.80 ppb
2019-08-12354900540012.00 ppb
2019-08-12354900540012.00 ppb
2019-08-12354900540021.80 ppb
2019-10-23355076060012.30 ppb
2019-10-23355076060022.50 ppb
2019-10-23355076060012.30 ppb
2019-10-23355076060022.50 ppb