Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

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.

MORE ABOUT THIS CONTAMINANT

 

94

Samples

0

Samples exceeding legal limit (MCL)

64

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
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
20180.256 ppb162ND - 3.00 ppb
20190.483 ppb124ND - 2.00 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
2014-02-11A140180017ND
2014-02-11A140180018ND
2014-02-11A1401800191.90 ppb
2014-02-11A1401800203.10 ppb
2014-05-13A1401912151.10 ppb
2014-05-13A1401912141.20 ppb
2014-05-13A1401912162.20 ppb
2014-05-13A1401912173.20 ppb
2014-08-10A1402165934.50 ppb
2014-08-10A1402165963.90 ppb
2014-08-10A1402165944.00 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
2015-02-10A1502317603.40 ppb
2015-02-10A1502317592.30 ppb
2015-02-10A1502317581.30 ppb
2015-02-10A1502317571.40 ppb
2015-05-12A1502855091.30 ppb
2015-05-12A1502855101.30 ppb
2015-05-12A1502855112.70 ppb
2015-05-12A1502855081.30 ppb
2015-08-11A1503199973.20 ppb
2015-08-11A1503199941.70 ppb
2015-08-11A1503199961.60 ppb
2015-08-11A1503199951.70 ppb
2015-11-10A1503318384.30 ppb
2015-11-10A1503318393.60 ppb
2015-11-10A1503318365.60 ppb
2015-11-10A1503318374.30 ppb
2016-02-09A1603383751.10 ppb
2016-02-09A1603383741.000 ppb
2016-02-09A1603382651.10 ppb
2016-02-09A1603382644.40 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
2016-11-22A1604631704.20 ppb
2016-11-22A1604631691.90 ppb
2016-11-22A1604631672.90 ppb
2016-11-22A1604631681.90 ppb
2017-02-08A170474767ND
2017-02-08A1704747684.80 ppb
2017-02-08A170474769ND
2017-02-08A1704747661.60 ppb
2017-05-09A170498069ND
2017-05-09A170498070ND
2017-05-09A1704980712.80 ppb
2017-05-09A170498072ND
2017-06-13A1705046642.20 ppb
2017-06-13A170504665ND
2017-08-08A1705166223.94 ppb
2017-08-08A1705168702.26 ppb
2017-08-08A1705168691.60 ppb
2017-08-08A1705166211.72 ppb
2017-11-07A1705482443.60 ppb
2017-11-07A1705482453.00 ppb
2017-11-07A1705482463.90 ppb
2017-11-07A1705482473.40 ppb
2018-02-13A1805705433.00 ppb
2018-02-13A180570542ND
2018-02-13A180570541ND
2018-02-13A180570540ND
2018-05-08A1806004231.10 ppb
2018-05-08A180600424ND
2018-05-08A180600425ND
2018-05-08A180600426ND
2018-08-07A180631999ND
2018-08-07A180632000ND
2018-08-07A180632001ND
2018-08-07A180632002ND
2018-11-138K01791-03ND
2018-11-138K01791-02ND
2018-11-138K01791-01ND
2018-11-138K01791-04ND
2019-02-129B01514-012.00 ppb
2019-02-129B01514-041.40 ppb
2019-02-129B01514-03ND
2019-02-129B01514-021.10 ppb
2019-05-089E01274-01ND
2019-05-089E01274-02ND
2019-05-089E01274-031.30 ppb
2019-05-089E01274-04ND
2019-08-139H02131-01ND
2019-08-139H02131-02ND
2019-08-139H02131-03ND
2019-08-139H02131-04ND