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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

City of Newton

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)

75

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.65 ppb1612ND - 4.50 ppb
20152.05 ppb1613ND - 4.60 ppb
20161.76 ppb1614ND - 3.90 ppb
20171.83 ppb1612ND - 4.40 ppb
20181.62 ppb1612ND - 4.80 ppb
20191.81 ppb1612ND - 3.50 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
2014-02-10601321.50 ppb
2014-02-10600501.60 ppb
2014-02-1060042ND
2014-02-10600352.20 ppb
2014-05-05109976ND
2014-05-051099751.90 ppb
2014-05-051099741.10 ppb
2014-05-051099731.80 ppb
2014-08-181759994.50 ppb
2014-08-18175998ND
2014-08-181760001.50 ppb
2014-08-181760013.20 ppb
2014-11-172330822.80 ppb
2014-11-172330813.00 ppb
2014-11-17233080ND
2014-11-172330791.30 ppb
2015-02-23284218ND
2015-02-232842170.900 ppb
2015-02-232842161.70 ppb
2015-02-232842151.80 ppb
2015-05-183349951.50 ppb
2015-05-183349960.560 ppb
2015-05-183349982.50 ppb
2015-05-183349972.80 ppb
2015-08-18390599ND
2015-08-183905972.80 ppb
2015-08-183905953.80 ppb
2015-08-183905893.50 ppb
2015-11-174281653.60 ppb
2015-11-17428164ND
2015-11-174281632.70 ppb
2015-11-174281624.60 ppb
2016-02-224971142.20 ppb
2016-02-224971132.50 ppb
2016-02-224971151.90 ppb
2016-02-224971160.590 ppb
2016-05-235514042.20 ppb
2016-05-235514030.500 ppb
2016-05-235514023.90 ppb
2016-05-235514012.10 ppb
2016-08-22607948ND
2016-08-226079470.910 ppb
2016-08-226079463.10 ppb
2016-08-226079451.20 ppb
2016-11-07656978ND
2016-11-076569811.60 ppb
2016-11-076569801.60 ppb
2016-11-076569793.90 ppb
2017-02-137082322.20 ppb
2017-02-13708231ND
2017-02-137082301.60 ppb
2017-02-137082292.90 ppb
2017-05-237661643.40 ppb
2017-05-237661632.00 ppb
2017-05-23766162ND
2017-05-237661612.70 ppb
2017-08-298297784.40 ppb
2017-08-29829777ND
2017-08-298297801.30 ppb
2017-08-298297812.50 ppb
2017-11-148789682.50 ppb
2017-11-148789672.90 ppb
2017-11-148789660.870 ppb
2017-11-14878965ND
2018-02-129085551.10 ppb
2018-02-12908554ND
2018-02-129085531.40 ppb
2018-02-209267741.70 ppb
2018-05-219741821.40 ppb
2018-05-219741831.20 ppb
2018-05-21974185ND
2018-05-219741841.70 ppb
2018-08-1310251614.80 ppb
2018-08-131025160ND
2018-08-1310251591.70 ppb
2018-08-1310251583.80 ppb
2018-11-1310773782.50 ppb
2018-11-1310773771.60 ppb
2018-11-131077376ND
2018-11-1310773753.00 ppb
2019-02-0411145112.10 ppb
2019-02-0411145102.20 ppb
2019-02-0411145121.50 ppb
2019-02-041114513ND
2019-05-201157986ND
2019-05-2011579852.40 ppb
2019-05-2011579841.60 ppb
2019-05-2011579833.10 ppb
2019-08-1312232383.30 ppb
2019-08-1312232372.00 ppb
2019-08-1312232363.30 ppb
2019-08-131223235ND
2019-11-0412720523.50 ppb
2019-11-041272055ND
2019-11-0412720541.20 ppb
2019-11-0412720532.80 ppb