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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Medina Co/Northwest PWS

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

 

88

Samples

0

Samples exceeding legal limit (MCL)

56

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.938 ppb1611ND - 1.70 ppb
20150.663 ppb169ND - 1.60 ppb
20160.988 ppb1612ND - 1.60 ppb
20171.05 ppb1613ND - 1.70 ppb
20181.08 ppb167ND - 6.60 ppb
20190.800 ppb84ND - 1.70 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
2014-02-06A1400295681.10 ppb
2014-02-06A1400295651.10 ppb
2014-02-06A1400295661.10 ppb
2014-02-06A1400295671.10 ppb
2014-05-05A140180099ND
2014-05-05A140180098ND
2014-05-05A140180100ND
2014-05-05A140180101ND
2014-08-05A1402140111.40 ppb
2014-08-05A1402140081.40 ppb
2014-08-05A1402140091.50 ppb
2014-08-05A140214010ND
2014-11-06A1402140121.50 ppb
2014-11-06A1402140131.60 ppb
2014-11-06A1402140141.50 ppb
2014-11-06A1402140151.70 ppb
2015-02-05A150231768ND
2015-02-05A150231767ND
2015-02-05A150231766ND
2015-02-05A150231765ND
2015-05-07A150232369ND
2015-05-07A150232370ND
2015-05-07A1502323711.000 ppb
2015-05-07A150232368ND
2015-08-06A1503042691.10 ppb
2015-08-06A1502857991.20 ppb
2015-08-06A1502858001.40 ppb
2015-08-06A1503042681.60 ppb
2015-11-05A1503315571.000 ppb
2015-11-05A1503315581.10 ppb
2015-11-05A1503315551.20 ppb
2015-11-05A1503315561.000 ppb
2016-02-04A160338292ND
2016-02-04A160338291ND
2016-02-04A1603382901.000 ppb
2016-02-04A1603382891.000 ppb
2016-05-05A1603382931.30 ppb
2016-05-05A1603382941.20 ppb
2016-05-05A1603382951.30 ppb
2016-05-05A1603382961.20 ppb
2016-08-04A1604273611.60 ppb
2016-08-04A1604273641.50 ppb
2016-08-04A1604273601.50 ppb
2016-08-04A1604273651.50 ppb
2016-11-03A160435204ND
2016-11-03A1604352071.40 ppb
2016-11-03A1604352051.30 ppb
2016-11-03A160435206ND
2017-02-02A1704768971.20 ppb
2017-02-02A1704768991.10 ppb
2017-02-02A1704768981.20 ppb
2017-02-02A1704768961.20 ppb
2017-05-03A1704352101.10 ppb
2017-05-03A1704352111.10 ppb
2017-05-03A1704352121.10 ppb
2017-05-03A170435213ND
2017-08-03A1704352151.70 ppb
2017-08-03A1704352141.63 ppb
2017-08-03A1704352171.60 ppb
2017-08-03A1704352161.60 ppb
2017-11-07A170435222ND
2017-11-07A1704352231.10 ppb
2017-11-07A1704352211.10 ppb
2017-11-07A170435220ND
2018-02-07A180532743ND
2018-02-07A180532744ND
2018-02-07A180532745ND
2018-02-07A180532746ND
2018-05-03A180532750ND
2018-05-03A1805327491.10 ppb
2018-05-03A1805327481.30 ppb
2018-05-03A1805327471.000 ppb
2018-08-01A1806005693.10 ppb
2018-08-01A1806005703.20 ppb
2018-08-01A1806005716.60 ppb
2018-08-01A180600572ND
2018-11-078K01175-04ND
2018-11-078K01175-03ND
2018-11-078K01175-021.000 ppb
2018-11-088K01175-01ND
2019-05-029E00509-011.70 ppb
2019-05-029E00509-021.60 ppb
2019-05-029E00509-031.70 ppb
2019-05-029E00509-041.40 ppb
2019-08-059H01563-01ND
2019-08-059H01563-02ND
2019-08-059H01563-03ND
2019-08-059H01563-04ND