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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Dale City

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

 

153

Samples

0

Samples exceeding legal limit (MCL)

55

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.03 ppb98ND - 1.30 ppb
20150.200 ppb163ND - 1.20 ppb
20160.869 ppb3221ND - 1.80 ppb
20170.488 ppb3211ND - 1.60 ppb
20180.238 ppb326ND - 1.70 ppb
20190.222 ppb326ND - 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
2014-08-1226554101HAA1.20 ppb
2014-11-1127473201HAA1.30 ppb
2014-11-1127473301HAA1.20 ppb
2014-11-1127472901HAA1.20 ppb
2014-11-1127472501HAA1.20 ppb
2014-11-1127472701HAA1.10 ppb
2014-11-1127472801HAA1.10 ppb
2014-11-1127473001HAA1.000 ppb
2014-11-1127472601HAAND
2015-08-1200009-AMERICAN W1.20 ppb
2015-08-1200009-AMERICAN WND
2015-08-1200009-AMERICAN WND
2015-08-1200009-AMERICAN WND
2015-08-1200009-AMERICAN WND
2015-08-1200009-AMERICAN WND
2015-08-1200009-AMERICAN WND
2015-08-1200009-AMERICAN WND
2015-11-1100009-AMERICAN W1.000 ppb
2015-11-1100009-AMERICAN W1.000 ppb
2015-11-1100009-AMERICAN WND
2015-11-1100009-AMERICAN WND
2015-11-1100009-AMERICAN WND
2015-11-1100009-AMERICAN WND
2015-11-1100009-AMERICAN WND
2015-11-1100009-AMERICAN WND
2016-02-1031204801HAAND
2016-02-1031205001HAAND
2016-02-10311205101HAAND
2016-02-1031205201HAAND
2016-02-1031204701HAAND
2016-02-1031204901HAAND
2016-02-1031205301HAAND
2016-02-1031205401HAAND
2016-05-0832000601HAA1.80 ppb
2016-05-0832001101HAA1.60 ppb
2016-05-0832000501HAA1.50 ppb
2016-05-0832000701HAA1.50 ppb
2016-05-0832001201HAA1.40 ppb
2016-05-0832000901HAA1.30 ppb
2016-05-0832000801HAA1.30 ppb
2016-05-0832001001HAA1.20 ppb
2016-08-13330385011.50 ppb
2016-08-13330383011.40 ppb
2016-08-13330387011.40 ppb
2016-08-13330382011.30 ppb
2016-08-13330384011.20 ppb
2016-08-13330380011.10 ppb
2016-08-13330386011.10 ppb
2016-08-13330381011.10 ppb
2016-11-15337103011.30 ppb
2016-11-15337108011.30 ppb
2016-11-15337105011.20 ppb
2016-11-15337104011.20 ppb
2016-11-15337106011.10 ppb
2016-11-1533710101ND
2016-11-1533710701ND
2016-11-1533710201ND
2017-02-1434625301ND
2017-02-1434625901ND
2017-02-1434625701ND
2017-02-1434625801ND
2017-02-1434625401ND
2017-02-1434625501ND
2017-02-1434625601ND
2017-02-1434626001ND
2017-05-10354073011.50 ppb
2017-05-10354075011.50 ppb
2017-05-10354077011.50 ppb
2017-05-10354087011.30 ppb
2017-05-1035408501ND
2017-05-1035408101ND
2017-05-1035408301ND
2017-05-1035407901ND
2017-08-1536595401ND
2017-08-1536596001ND
2017-08-1536595801ND
2017-08-1536595901ND
2017-08-1536595501ND
2017-08-1536595601ND
2017-08-1536595701ND
2017-08-1536596101ND
2017-11-14376175011.60 ppb
2017-11-14376179011.60 ppb
2017-11-14376174011.50 ppb
2017-11-14376176011.40 ppb
2017-11-14376177011.30 ppb
2017-11-14376172011.20 ppb
2017-11-14376178011.20 ppb
2017-11-1437617301ND
2018-02-13385892011.30 ppb
2018-02-13385893011.70 ppb
2018-02-1338589401ND
2018-02-13385895011.10 ppb
2018-02-1338589601ND
2018-02-13385897011.10 ppb
2018-02-13385898011.30 ppb
2018-02-13385899011.10 ppb
2018-05-1539298201ND
2018-05-1539298301ND
2018-05-1539298401ND
2018-05-1539298501ND
2018-05-1539298601ND
2018-05-1539298701ND
2018-05-1539298801ND
2018-05-1539298901ND
2018-08-1440584501ND
2018-08-1440584601ND
2018-08-1440584701ND
2018-08-1440584801ND
2018-08-1440584901ND
2018-08-1440585001ND
2018-08-1440585101ND
2018-08-1440585201ND
2018-11-1341939501ND
2018-11-1341939601ND
2018-11-1341939701ND
2018-11-1341939801ND
2018-11-1341939901ND
2018-11-1341940001ND
2018-11-1341940101ND
2018-11-1341940201ND
2019-02-1242940201ND
2019-02-1242940301ND
2019-02-1242940401ND
2019-02-1242940501ND
2019-02-1242940601ND
2019-02-1242940701ND
2019-02-1242940801ND
2019-02-1242940901ND
2019-05-14439062011.000 ppb
2019-05-1443906301ND
2019-05-1443906401ND
2019-05-1443906501ND
2019-05-1443906601ND
2019-05-1443906701ND
2019-05-1443906801ND
2019-05-1443906901ND
2019-08-1245560001ND
2019-08-12455601011.10 ppb
2019-08-12455602011.30 ppb
2019-08-12455603011.20 ppb
2019-08-12455604011.20 ppb
2019-08-1245560501ND
2019-08-1245560601ND
2019-08-1245560701ND
2019-11-1147051801ND
2019-11-1147051901ND
2019-11-11470520011.30 ppb
2019-11-1147052101ND
2019-11-1147052201ND
2019-11-1147052301ND
2019-11-1147052401ND
2019-11-1147052501ND