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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Texas State University - San Marcos

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

 

96

Samples

0

Samples exceeding legal limit (MCL)

72

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20141.19 ppb1610ND - 3.30 ppb
20151.93 ppb1615ND - 4.20 ppb
20160.994 ppb1610ND - 2.60 ppb
20171.18 ppb1613ND - 2.00 ppb
20181.08 ppb1613ND - 1.70 ppb
20190.919 ppb1611ND - 1.80 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
2014-03-10AC461952.20 ppb
2014-03-10AC461931.70 ppb
2014-03-10AC461921.80 ppb
2014-03-10AC46191ND
2014-06-02AC556083.30 ppb
2014-06-02AC555811.40 ppb
2014-06-02AC556141.70 ppb
2014-06-02AC555822.30 ppb
2014-08-26AC65248ND
2014-08-26AC65242ND
2014-08-26AC65246ND
2014-08-26AC652431.60 ppb
2014-11-10AC715142.10 ppb
2014-11-10AC715111.000 ppb
2014-11-10AC71510ND
2014-11-10AC71516ND
2015-01-23AC774492.00 ppb
2015-01-23AC77453ND
2015-01-23AC774551.10 ppb
2015-01-23AC774521.20 ppb
2015-06-08AC948944.20 ppb
2015-06-08AC948982.20 ppb
2015-06-08AC948922.90 ppb
2015-06-08AC948963.30 ppb
2015-09-10AD065201.40 ppb
2015-09-10AD065221.90 ppb
2015-09-10AD065301.80 ppb
2015-09-10AD065151.10 ppb
2015-12-01AD149032.10 ppb
2015-12-01AD148731.30 ppb
2015-12-01AD148702.00 ppb
2015-12-01AD148982.40 ppb
2016-02-25AD25674ND
2016-02-25AD257051.30 ppb
2016-02-25AD25676ND
2016-02-25AD256732.00 ppb
2016-06-16AD409471.90 ppb
2016-06-16AD409441.20 ppb
2016-06-16AD40946ND
2016-06-16AD409501.60 ppb
2016-08-03AD468681.40 ppb
2016-08-03AD46865ND
2016-08-03AD468641.50 ppb
2016-08-03AD468661.30 ppb
2016-10-17AD53392ND
2016-10-17AD533932.60 ppb
2016-10-17AD533911.10 ppb
2016-10-17AD53390ND
2017-02-21AD712461.50 ppb
2017-02-21AD712501.30 ppb
2017-02-21AD71264ND
2017-02-21AD71252ND
2017-04-20AD803751.60 ppb
2017-04-20AD803761.000 ppb
2017-04-20AD80380ND
2017-04-20AD803781.40 ppb
2017-07-06AD884701.10 ppb
2017-07-06AD884671.50 ppb
2017-07-06AD884691.20 ppb
2017-07-06AD884721.40 ppb
2017-10-18AE013161.80 ppb
2017-10-18AE013211.10 ppb
2017-10-18AE013341.90 ppb
2017-10-18AE013132.00 ppb
2018-02-05AE121581.000 ppb
2018-02-05AE121511.10 ppb
2018-02-05AE121541.50 ppb
2018-02-05AE121611.30 ppb
2018-04-09AE21623ND
2018-04-09AE216341.40 ppb
2018-04-09AE216051.30 ppb
2018-04-09AE215961.70 ppb
2018-07-09AE325821.50 ppb
2018-07-09AE325841.60 ppb
2018-07-09AE325981.20 ppb
2018-07-09AE325971.20 ppb
2018-10-02AE423361.10 ppb
2018-10-02AE423321.30 ppb
2018-10-02AE42333ND
2018-10-02AE42339ND
2019-01-15AE497891.30 ppb
2019-01-15AE49783ND
2019-01-15AE497881.60 ppb
2019-01-15AE497871.30 ppb
2019-04-29AE639081.60 ppb
2019-04-29AE638931.40 ppb
2019-04-29AE638951.000 ppb
2019-04-29AE63911ND
2019-07-09AE736451.20 ppb
2019-07-09AE736511.80 ppb
2019-07-09AE736491.10 ppb
2019-07-09AE73650ND
2019-10-03AE856271.30 ppb
2019-10-03AE85622ND
2019-10-03AE85628ND
2019-10-03AE856231.10 ppb