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EWG's Tap Water Database — 2021 UPDATE

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Chlorodibromoacetic acid

Hannibal

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)

9

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.441 ppb163ND - 2.80 ppb
2015ND160ND
2016ND160ND
20170.118 ppb161ND - 1.88 ppb
20180.112 ppb161ND - 1.79 ppb
20190.431 ppb164ND - 1.93 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
2014-02-10AC18111ND
2014-02-10AC18112ND
2014-02-10AC18113ND
2014-02-10AC18110ND
2014-05-05AC23118ND
2014-05-05AC231191.81 ppb
2014-05-05AC231202.45 ppb
2014-05-05AC231212.80 ppb
2014-08-19AC33154ND
2014-08-19AC33155ND
2014-08-19AC33156ND
2014-08-19AC33157ND
2014-11-05AC38165ND
2014-11-05AC38167ND
2014-11-05AC38166ND
2014-11-05AC38164ND
2015-02-09AC41892ND
2015-02-09AC41891ND
2015-02-09AC41890ND
2015-02-09AC41889ND
2015-05-07AC46467ND
2015-05-07AC46468ND
2015-05-07AC46469ND
2015-05-07AC46470ND
2015-08-13AC57310ND
2015-08-13AC57309ND
2015-08-13AC57311ND
2015-08-13AC57312ND
2015-11-09AC62730ND
2015-11-09AC62728ND
2015-11-09AC62727ND
2015-11-09AC62729ND
2016-02-09AC66269ND
2016-02-09AC66267ND
2016-02-09AC66270ND
2016-02-09AC66268ND
2016-05-04AC71960ND
2016-05-04AC71962ND
2016-05-04AC71963ND
2016-05-04AC71961ND
2016-09-12AC85064ND
2016-09-12AC85063ND
2016-09-12AC85062ND
2016-09-12AC85061ND
2016-11-07AC86861ND
2016-11-07AC86860ND
2016-11-07AC86859ND
2016-11-07AC86862ND
2017-02-07AC90726ND
2017-02-07AC90724ND
2017-02-07AC90723ND
2017-02-07AC90725ND
2017-05-02AC95693ND
2017-05-02AC95695ND
2017-05-02AC95694ND
2017-05-02AC95696ND
2017-08-07AD03279ND
2017-08-07AD03278ND
2017-08-07AD032761.88 ppb
2017-08-07AD03277ND
2017-11-07AD09408ND
2017-11-07AD09407ND
2017-11-07AD09409ND
2017-11-14AD10256ND
2018-02-06AD141931.79 ppb
2018-02-06AD14195ND
2018-02-06AD14194ND
2018-02-06AD14196ND
2018-05-03AD20430ND
2018-05-03AD20429ND
2018-05-03AD20427ND
2018-05-14AD26659ND
2018-08-02AD31098ND
2018-08-02AD31097ND
2018-08-02AD31096ND
2018-08-02AD31099ND
2018-11-07AD35640ND
2018-11-07AD35637ND
2018-11-07AD35638ND
2018-11-07AD35639ND
2019-02-05AD39307ND
2019-02-05AD39308ND
2019-02-05AD39306ND
2019-02-05AD39305ND
2019-05-03AD47386ND
2019-05-03AD47387ND
2019-05-03AD47388ND
2019-05-03AD47389ND
2019-08-20AD538211.89 ppb
2019-08-20AD538221.24 ppb
2019-08-20AD538231.84 ppb
2019-08-20AD538241.93 ppb
2019-11-05AD58012ND
2019-11-05AD58013ND
2019-11-05AD58014ND
2019-11-05AD58015ND