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EWG's Tap Water Database — 2021 UPDATE

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Dibromoacetic acid

Cary

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

 

192

Samples

0

Samples exceeding legal limit (MCL)

132

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.875 ppb3213ND - 2.80 ppb
20151.08 ppb3216ND - 2.90 ppb
20161.49 ppb3222ND - 3.00 ppb
20171.73 ppb3228ND - 2.70 ppb
20183.12 ppb32321.20 ppb - 6.20 ppb
20192.02 ppb3221ND - 4.70 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
2014-02-11C401194-01RE22.20 ppb
2014-02-11C401194-02RE22.60 ppb
2014-02-11C401194-032.80 ppb
2014-02-11C401194-042.10 ppb
2014-02-11C401194-052.40 ppb
2014-02-11C401194-06RE22.30 ppb
2014-02-11C401194-07RE22.20 ppb
2014-02-11C401194-08RE22.00 ppb
2014-05-14C405687-01RE1ND
2014-05-14C405687-02RE1ND
2014-05-14C405687-032.20 ppb
2014-05-14C405687-04RE2ND
2014-05-14C405687-052.10 ppb
2014-05-14C405687-06RE1ND
2014-05-14C405687-07RE2ND
2014-05-14C405687-08RE2ND
2014-08-13C409021-05RE11.80 ppb
2014-08-13C409021-06RE2ND
2014-08-13C409021-07RE2ND
2014-08-13C409021-08RE2ND
2014-08-13C409021-01RE1ND
2014-08-13C409021-02RE2ND
2014-08-13C409021-03RE11.50 ppb
2014-08-13C409021-04RE11.80 ppb
2014-11-12C412850-01RE1ND
2014-11-12C412850-02RE1ND
2014-11-12C412850-03RE1ND
2014-11-12C412850-04RE1ND
2014-11-12C412850-05ND
2014-11-12C412850-06RE1ND
2014-11-12C412850-07RE1ND
2014-11-12C412850-08ND
2015-02-12ND
2015-02-12ND
2015-02-12ND
2015-02-12ND
2015-02-12ND
2015-02-12ND
2015-02-12ND
2015-02-12ND
2015-05-131.000 ppb
2015-05-13ND
2015-05-13ND
2015-05-13ND
2015-05-13ND
2015-05-13ND
2015-05-13ND
2015-05-13ND
2015-08-12ND
2015-08-122.10 ppb
2015-08-122.10 ppb
2015-08-122.10 ppb
2015-08-122.10 ppb
2015-08-122.10 ppb
2015-08-121.30 ppb
2015-08-122.10 ppb
2015-11-092.90 ppb
2015-11-092.80 ppb
2015-11-092.30 ppb
2015-11-092.30 ppb
2015-11-092.40 ppb
2015-11-092.40 ppb
2015-11-092.30 ppb
2015-11-092.40 ppb
2016-02-09CZ00075-01ND
2016-02-09CZ00075-02ND
2016-02-09CZ00075-03ND
2016-02-09CZ00075-04ND
2016-02-09CZ00075-05ND
2016-02-09CZ00075-06ND
2016-02-09CZ00075-07RE1ND
2016-02-09CZ00075-08ND
2016-05-1037729_16-149533.00 ppb
2016-05-1037729_16-149543.00 ppb
2016-05-1037729_16-149553.00 ppb
2016-05-1037729_16-149562.00 ppb
2016-05-1037729_16-149573.00 ppb
2016-05-1037729_16-149583.00 ppb
2016-05-1037729_16-149593.00 ppb
2016-05-1037729_16-149603.00 ppb
2016-08-09CZ10257-011.50 ppb
2016-08-09CZ10257-021.60 ppb
2016-08-09CZ10257-03RE12.20 ppb
2016-08-09CZ10257-04RE12.20 ppb
2016-08-09CZ10257-05RE12.20 ppb
2016-08-09CZ10257-061.70 ppb
2016-08-09CZ10257-07RE12.20 ppb
2016-08-09CZ10257-08RE12.20 ppb
2016-11-08CZ15257-011.70 ppb
2016-11-08CZ15257-021.60 ppb
2016-11-08CZ15257-031.50 ppb
2016-11-08CZ15257-04ND
2016-11-08CZ15257-051.60 ppb
2016-11-08CZ15257-06ND
2016-11-08CZ15257-071.40 ppb
2016-11-08CZ15257-081.20 ppb
2017-02-08CA00188-01ND
2017-02-08CA00188-021.20 ppb
2017-02-08CA00188-031.10 ppb
2017-02-08CA00188-041.20 ppb
2017-02-08CA00188-051.10 ppb
2017-02-08CA00188-06ND
2017-02-08CA00188-07ND
2017-02-08CA00188-081.10 ppb
2017-05-09CA04754-012.30 ppb
2017-05-09CA04754-022.00 ppb
2017-05-09CA04754-032.50 ppb
2017-05-09CA04754-041.60 ppb
2017-05-09CA04754-052.00 ppb
2017-05-09CA04754-061.70 ppb
2017-05-09CA04754-071.70 ppb
2017-05-09CA04754-082.30 ppb
2017-08-08CA09930-012.70 ppb
2017-08-08CA09930-022.70 ppb
2017-08-08CA09930-032.70 ppb
2017-08-08CA09930-042.60 ppb
2017-08-08CA09930-052.60 ppb
2017-08-08CA09930-062.40 ppb
2017-08-08CA09930-072.30 ppb
2017-08-08CA09930-082.30 ppb
2017-11-07CA15883-012.00 ppb
2017-11-07CA15883-021.90 ppb
2017-11-07CA15883-031.70 ppb
2017-11-07CA15883-041.90 ppb
2017-11-07CA15883-051.90 ppb
2017-11-07CA15883-061.70 ppb
2017-11-07CA15883-072.00 ppb
2017-11-07CA15883-08ND
2018-02-06CB00145-01 2.10 ppb
2018-02-06CB00145-02 2.20 ppb
2018-02-06CB00145-03 2.10 ppb
2018-02-06CB00145-04 2.30 ppb
2018-02-06CB00145-05 2.30 ppb
2018-02-06CB00145-06 2.10 ppb
2018-02-06CB00145-07 1.70 ppb
2018-02-06CB00145-08 1.60 ppb
2018-05-08CB04657-01 3.90 ppb
2018-05-08CB04657-02 3.50 ppb
2018-05-08CB04657-03 3.70 ppb
2018-05-08CB04657-04 3.80 ppb
2018-05-08CB04657-05 4.40 ppb
2018-05-08CB04657-06 3.60 ppb
2018-05-08CB04657-07 3.90 ppb
2018-05-08CB04657-08 3.70 ppb
2018-08-16CB09807-01 6.00 ppb
2018-08-16CB09807-02 4.90 ppb
2018-08-16CB09807-03 6.20 ppb
2018-08-16CB09807-04 4.90 ppb
2018-08-16CB09807-05 4.50 ppb
2018-08-16CB09807-06 4.50 ppb
2018-08-16CB09807-07 3.90 ppb
2018-08-16CB09807-08 3.70 ppb
2018-11-13CB15225-01 1.80 ppb
2018-11-13CB15225-02 2.10 ppb
2018-11-13CB15225-03 2.10 ppb
2018-11-13CB15225-05 2.00 ppb
2018-11-13CB15225-06 2.00 ppb
2018-11-13CB15225-07 1.60 ppb
2018-11-13CB15225-08 1.20 ppb
2018-11-14CB17515-01 1.60 ppb
2019-02-12CC00060-01 ND
2019-02-12CC00060-02 ND
2019-02-12CC00060-03 ND
2019-02-12CC00060-04 ND
2019-02-12CC00060-05 ND
2019-02-12CC00060-06 ND
2019-02-12CC00060-07 ND
2019-02-12CC00060-08 ND
2019-05-14CC05465-01 1.000 ppb
2019-05-14CC05465-02 ND
2019-05-14CC05465-03 ND
2019-05-14CC05465-04 1.10 ppb
2019-05-14CC05465-05 1.000 ppb
2019-05-14CC05465-06 1.000 ppb
2019-05-14CC05465-07 ND
2019-05-14CC05465-08 1.000 ppb
2019-08-13CC11375-01 4.10 ppb
2019-08-13CC11375-02 3.80 ppb
2019-08-13CC11375-03 3.10 ppb
2019-08-13CC11375-04 4.30 ppb
2019-08-13CC11375-05 4.70 ppb
2019-08-13CC11375-06 4.00 ppb
2019-08-13CC11375-07 3.60 ppb
2019-08-13CC11375-08 4.20 ppb
2019-11-12CC16863-01 4.30 ppb
2019-11-12CC16863-02 4.20 ppb
2019-11-12CC16863-03 3.60 ppb
2019-11-12CC16863-04 4.00 ppb
2019-11-12CC16863-05 3.70 ppb
2019-11-12CC16863-06 3.70 ppb
2019-11-12CC16863-07 1.90 ppb
2019-11-12CC16863-08 2.40 ppb