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EWG's Tap Water Database — 2021 UPDATE

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Chlorodibromoacetic acid

St. Louis City

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.

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND120ND
2015ND120ND
2016ND60ND
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

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
2014-05-28AC26120ND
2014-05-28AC26119ND
2014-05-28AC26130ND
2014-05-28AC26129ND
2014-05-28AC26128ND
2014-05-28AC26127ND
2014-05-28AC26126ND
2014-05-28AC26125ND
2014-05-28AC26124ND
2014-05-28AC26123ND
2014-05-28AC26122ND
2014-05-28AC26121ND
2015-03-17AC44648ND
2015-03-17AC44652ND
2015-03-17AC44653ND
2015-03-17AC44650ND
2015-03-17AC44654ND
2015-03-17AC44655ND
2015-03-17AC44656ND
2015-03-17AC44658ND
2015-03-17AC44649ND
2015-03-17AC44651ND
2015-03-17AC44657ND
2015-03-17AC44659ND
2016-03-08AC68841ND
2016-03-08AC68840ND
2016-03-08AC68839ND
2016-03-08AC68838ND
2016-03-08AC68842ND
2016-03-08AC68837ND