Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Chlorodibromoacetic acid

Marshall

Chlorodibromoacetic acid is formed when chlorine or other disinfectants are used to treat drinking water. Disinfection byproducts increase the risk of cancer and may cause problems during pregnancy.

MORE ABOUT THIS CONTAMINANT

 

96

Samples

0

Samples exceeding legal limit (MCL)

78

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20144.55 ppb168ND - 11.9 ppb
20157.89 ppb168ND - 20.2 ppb
20165.79 ppb16162.38 ppb - 9.51 ppb
20177.18 ppb1413ND - 10.9 ppb
20184.62 ppb1817ND - 8.48 ppb
20192.52 ppb16161.27 ppb - 3.93 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.02 ppb

The EWG Health Guideline of 0.02 ppb for chlorodibromoacetic 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
2014-03-31AC19891ND
2014-03-31AC19892ND
2014-03-31AC19893ND
2014-03-31AC19894ND
2014-06-30AC286376.81 ppb
2014-06-30AC286398.36 ppb
2014-06-30AC286418.88 ppb
2014-06-30AC286437.13 ppb
2014-09-30AC3562911.9 ppb
2014-09-30AC356309.64 ppb
2014-09-30AC3563110.2 ppb
2014-09-30AC356329.83 ppb
2014-12-30AC39502ND
2014-12-30AC39503ND
2014-12-30AC39500ND
2014-12-31AC39501ND
2015-03-25AC4358014.3 ppb
2015-03-25AC4357916.5 ppb
2015-03-25AC43581ND
2015-03-25AC43582ND
2015-06-23AC51249ND
2015-06-23AC51248ND
2015-06-23AC51247ND
2015-06-23AC51246ND
2015-09-29AC5952318.5 ppb
2015-09-29AC5952118.4 ppb
2015-09-29AC5952220.2 ppb
2015-09-30AC59520ND
2015-12-21AC6395211.6 ppb
2015-12-21AC63951ND
2015-12-21AC6395019.1 ppb
2015-12-21AC639537.66 ppb
2016-03-28AC676542.38 ppb
2016-03-28AC676532.46 ppb
2016-03-28AC676514.30 ppb
2016-03-28AC676524.32 ppb
2016-06-27AC748947.00 ppb
2016-06-27AC748927.40 ppb
2016-06-27AC748956.82 ppb
2016-06-27AC748937.46 ppb
2016-09-29AC838739.51 ppb
2016-09-29AC838729.46 ppb
2016-09-29AC838746.27 ppb
2016-09-29AC838719.22 ppb
2016-12-30AC884644.01 ppb
2016-12-30AC884663.81 ppb
2016-12-30AC884634.46 ppb
2016-12-30AC884653.83 ppb
2017-03-30AC921519.26 ppb
2017-03-30AC921529.64 ppb
2017-03-30AC9215010.9 ppb
2017-03-30AC92149ND
2017-07-03AC984907.44 ppb
2017-07-03AC984897.90 ppb
2017-07-03AC984888.42 ppb
2017-07-03AC984917.01 ppb
2017-09-28AD064666.53 ppb
2017-09-28AD064687.36 ppb
2017-09-28AD064697.20 ppb
2017-09-28AD064677.13 ppb
2017-12-29AD106216.24 ppb
2017-12-29AD106185.50 ppb
2018-01-02AD106204.76 ppb
2018-01-02AD106194.17 ppb
2018-03-30AD164964.42 ppb
2018-03-30AD164975.36 ppb
2018-03-30AD16498ND
2018-03-30AD164995.10 ppb
2018-06-27AD273075.44 ppb
2018-06-27AD273085.31 ppb
2018-06-27AD273105.27 ppb
2018-06-28AD273094.54 ppb
2018-09-27AD329328.48 ppb
2018-09-27AD329338.41 ppb
2018-09-27AD329348.13 ppb
2018-09-27AD329357.77 ppb
2018-11-27AD365691.44 ppb
2018-11-27AD365701.49 ppb
2018-11-27AD365711.61 ppb
2018-11-27AD365721.38 ppb
2019-03-19AD405262.22 ppb
2019-03-19AD405272.29 ppb
2019-03-19AD405251.96 ppb
2019-03-19AD405242.51 ppb
2019-06-13AD491182.50 ppb
2019-06-13AD491193.61 ppb
2019-06-13AD491203.93 ppb
2019-06-13AD491213.62 ppb
2019-09-16AD552051.27 ppb
2019-09-16AD552031.47 ppb
2019-09-16AD552041.37 ppb
2019-09-16AD552061.28 ppb
2019-12-17AD591102.93 ppb
2019-12-17AD591113.29 ppb
2019-12-17AD591123.02 ppb
2019-12-17AD591133.09 ppb