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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Walker Water

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

15

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.10 ppb85ND - 2.70 ppb
20150.925 ppb82ND - 3.80 ppb
20160.813 ppb82ND - 3.40 ppb
20170.963 ppb84ND - 2.40 ppb
2018ND80ND
20190.300 ppb82ND - 1.30 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
2014-01-06140080011011.20 ppb
2014-01-06140080012011.20 ppb
2014-04-01140930004012.70 ppb
2014-04-01140930005012.70 ppb
2014-07-0114184007501ND
2014-07-0114184007601ND
2014-10-08142820080011.000 ppb
2014-10-0814282008101ND
2015-01-05150080079013.60 ppb
2015-01-05150080080013.80 ppb
2015-04-0115092006001ND
2015-04-0115092005901ND
2015-08-1115225005201ND
2015-08-1115225005301ND
2015-10-0615281000701ND
2015-10-0615281000801ND
2016-01-0616007003401ND
2016-01-0616007003501ND
2016-04-0516098007001ND
2016-04-0516098007101ND
2016-07-0516189006701ND
2016-07-0516189006601ND
2016-10-04162800028013.10 ppb
2016-10-04162800029013.40 ppb
2017-01-03170050010011.50 ppb
2017-01-03170050011011.50 ppb
2017-04-04170950058012.30 ppb
2017-04-04170950057012.40 ppb
2017-07-0317187001301ND
2017-07-0317187001401ND
2017-10-2317299002001ND
2017-10-2317299002101ND
2018-01-0218004005101ND
2018-01-0218004005001ND
2018-04-0318095002601ND
2018-04-0318095002501ND
2018-07-0318186007801ND
2018-07-0318186007901ND
2018-10-0118277003301ND
2018-10-0118277003401ND
2019-01-07190100067011.10 ppb
2019-01-07190100066011.30 ppb
2019-04-0119094002001ND
2019-04-0119094001901ND
2019-08-2019233001801ND
2019-08-2019233001701ND
2019-10-0119276001401ND
2019-10-0119276001301ND