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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Wauwatosa Waterworks

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.

 

96

Samples

0

Samples exceeding legal limit (MCL)

92

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.399 ppb1612ND - 0.880 ppb
20150.613 ppb16160.150 ppb - 1.30 ppb
20160.549 ppb16160.220 ppb - 0.870 ppb
20170.543 ppb16160.300 ppb - 0.910 ppb
20180.484 ppb16160.230 ppb - 0.650 ppb
20190.464 ppb16160.280 ppb - 0.840 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
2014-03-07773810ND
2014-03-07773811ND
2014-03-07773812ND
2014-03-07773813ND
2014-06-047945360.640 ppb
2014-06-047945370.700 ppb
2014-06-047945350.840 ppb
2014-06-047945380.880 ppb
2014-09-048158030.700 ppb
2014-09-048158000.640 ppb
2014-09-048158020.450 ppb
2014-09-048158010.400 ppb
2014-12-038342390.430 ppb
2014-12-038342410.310 ppb
2014-12-038342420.200 ppb
2014-12-038342400.200 ppb
2015-03-058465870.340 ppb
2015-03-058465901.30 ppb
2015-03-058465890.580 ppb
2015-03-058465880.680 ppb
2015-06-038634160.750 ppb
2015-06-038634190.990 ppb
2015-06-038634180.850 ppb
2015-06-038634170.550 ppb
2015-09-028806510.480 ppb
2015-09-028806520.600 ppb
2015-09-028806500.570 ppb
2015-09-028806530.590 ppb
2015-12-038964400.250 ppb
2015-12-038964410.610 ppb
2015-12-038964380.510 ppb
2015-12-038964390.150 ppb
2016-03-039081030.590 ppb
2016-03-039081010.650 ppb
2016-03-039081040.650 ppb
2016-03-039081020.570 ppb
2016-06-029244820.640 ppb
2016-06-029244830.680 ppb
2016-06-029244840.760 ppb
2016-06-029244850.870 ppb
2016-09-019428780.220 ppb
2016-09-019428800.570 ppb
2016-09-019428770.540 ppb
2016-09-019428790.510 ppb
2016-12-019627370.490 ppb
2016-12-019627400.540 ppb
2016-12-019627390.260 ppb
2016-12-019627380.250 ppb
2017-03-029758570.470 ppb
2017-03-029758580.630 ppb
2017-03-029758560.440 ppb
2017-03-029758550.460 ppb
2017-06-019949720.550 ppb
2017-06-019949700.580 ppb
2017-06-019949710.460 ppb
2017-06-019949730.700 ppb
2017-08-2910148090.910 ppb
2017-08-2910148120.850 ppb
2017-08-2910148110.540 ppb
2017-08-2910148100.300 ppb
2017-11-2910313850.520 ppb
2017-11-2910313870.350 ppb
2017-11-2910313880.620 ppb
2017-11-2910313860.310 ppb
2018-03-0510434630.550 ppb
2018-03-0510434620.560 ppb
2018-03-0510434600.570 ppb
2018-03-0510434610.630 ppb
2018-06-0510591740.480 ppb
2018-06-0510591760.590 ppb
2018-06-0510591750.600 ppb
2018-06-0510591730.650 ppb
2018-09-0510784440.270 ppb
2018-09-0510784450.490 ppb
2018-09-0510784420.480 ppb
2018-09-0510784430.230 ppb
2018-11-2710944030.440 ppb
2018-11-2710944020.310 ppb
2018-11-2710944000.580 ppb
2018-11-2710944010.320 ppb
2019-03-0511080210.350 ppb
2019-03-0511080220.370 ppb
2019-03-0511080230.380 ppb
2019-03-0511080200.400 ppb
2019-06-0511256490.390 ppb
2019-06-0511256470.500 ppb
2019-06-0511256480.420 ppb
2019-06-0511256500.380 ppb
2019-09-0511456950.280 ppb
2019-09-0511456960.450 ppb
2019-09-0511456970.740 ppb
2019-09-0511456940.840 ppb
2019-12-0211628740.410 ppb
2019-12-0211628730.480 ppb
2019-12-0211628750.480 ppb
2019-12-0211628720.550 ppb