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EWG's Tap Water Database — 2019 UPDATE

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Dibromoacetic acid

Hecla Water Association-Plant 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.

 

102

Samples

0

Samples exceeding legal limit (MCL)

89

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20122.97 ppb2019ND - 5.60 ppb
20133.03 ppb1612ND - 6.10 ppb
20142.86 ppb1614ND - 5.20 ppb
20152.56 ppb16161.30 ppb - 5.60 ppb
20162.84 ppb16161.000 ppb - 5.20 ppb
20171.93 ppb1812ND - 4.80 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
2012-03-0799001211833.50 ppb
2012-03-0799001211792.60 ppb
2012-03-0799001211801.70 ppb
2012-03-0799001211813.40 ppb
2012-03-0799001211823.50 ppb
2012-06-0699000248153.10 ppb
2012-06-0699000291732.10 ppb
2012-06-0699000291743.00 ppb
2012-06-0699000291753.30 ppb
2012-06-0699000291763.60 ppb
2012-09-1999000605745.00 ppb
2012-09-1999000605761.40 ppb
2012-09-1999000605771.30 ppb
2012-09-199900060578ND
2012-09-1999000605755.60 ppb
2012-12-0699000743792.30 ppb
2012-12-0699000743813.30 ppb
2012-12-0699000743823.10 ppb
2012-12-0699000743834.40 ppb
2012-12-0699000835133.10 ppb
2013-02-139900085510ND
2013-02-139900085511ND
2013-02-1399000855122.40 ppb
2013-02-1399000855133.80 ppb
2013-05-139900108046ND
2013-05-149900108045ND
2013-05-1499001080471.30 ppb
2013-05-1499001080482.80 ppb
2013-09-04A1301369343.50 ppb
2013-09-04A1301369355.20 ppb
2013-09-04A1301369363.50 ppb
2013-09-04A1301369374.20 ppb
2013-11-14A1301617286.10 ppb
2013-11-14A1301617294.90 ppb
2013-11-14A1301617305.50 ppb
2013-11-14A1301617315.20 ppb
2014-02-11A140180017ND
2014-02-11A140180018ND
2014-02-11A1401800191.90 ppb
2014-02-11A1401800203.10 ppb
2014-05-13A1401912141.20 ppb
2014-05-13A1401912151.10 ppb
2014-05-13A1401912162.20 ppb
2014-05-13A1401912173.20 ppb
2014-08-10A1402165934.50 ppb
2014-08-10A1402165944.00 ppb
2014-08-10A1402165963.90 ppb
2014-08-14A1402168653.20 ppb
2014-11-11A1402175214.90 ppb
2014-11-11A1402175223.50 ppb
2014-11-11A1402175235.20 ppb
2014-11-11A1402175243.90 ppb
2015-02-10A1502317571.40 ppb
2015-02-10A1502317581.30 ppb
2015-02-10A1502317592.30 ppb
2015-02-10A1502317603.40 ppb
2015-05-12A1502855081.30 ppb
2015-05-12A1502855091.30 ppb
2015-05-12A1502855101.30 ppb
2015-05-12A1502855112.70 ppb
2015-08-11A1503199941.70 ppb
2015-08-11A1503199951.70 ppb
2015-08-11A1503199961.60 ppb
2015-08-11A1503199973.20 ppb
2015-11-10A1503318365.60 ppb
2015-11-10A1503318374.30 ppb
2015-11-10A1503318384.30 ppb
2015-11-10A1503318393.60 ppb
2016-02-09A1603382644.40 ppb
2016-02-09A1603382651.10 ppb
2016-02-09A1603383741.000 ppb
2016-02-09A1603383751.10 ppb
2016-05-10A1603750524.40 ppb
2016-05-10A1603750531.50 ppb
2016-05-10A1603750541.60 ppb
2016-05-10A1603750551.50 ppb
2016-08-09A1604273034.20 ppb
2016-08-09A1604273044.10 ppb
2016-08-09A1604273054.40 ppb
2016-08-09A1604273065.20 ppb
2016-11-22A1604631672.90 ppb
2016-11-22A1604631681.90 ppb
2016-11-22A1604631691.90 ppb
2016-11-22A1604631704.20 ppb
2017-02-08A1704747661.60 ppb
2017-02-08A170474767ND
2017-02-08A1704747684.80 ppb
2017-02-08A170474769ND
2017-05-09A170498069ND
2017-05-09A170498070ND
2017-05-09A1704980712.80 ppb
2017-05-09A170498072ND
2017-06-13A1705046642.20 ppb
2017-06-13A170504665ND
2017-08-08A1705166211.72 ppb
2017-08-08A1705166223.94 ppb
2017-08-08A1705168691.60 ppb
2017-08-08A1705168702.26 ppb
2017-11-07A1705482443.60 ppb
2017-11-07A1705482453.00 ppb
2017-11-07A1705482463.90 ppb
2017-11-07A1705482473.40 ppb