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EWG's Tap Water Database — 2019 UPDATE

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Bromodichloroacetic acid

St. Louis City

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

 

54

Samples

0

Samples exceeding legal limit (MCL)

26

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND120ND
20130.0500 ppb121ND - 0.600 ppb
20141.34 ppb12121.03 ppb - 1.79 ppb
20150.786 ppb1211ND - 1.42 ppb
20160.242 ppb62ND - 0.830 ppb
2017N/A00N/A

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 bromodichloroacetic 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
2012-06-11AB76342ND
2012-06-11AB76353ND
2012-06-11AB76352ND
2012-06-11AB76351ND
2012-06-11AB76350ND
2012-06-11AB76349ND
2012-06-11AB76348ND
2012-06-11AB76347ND
2012-06-11AB76346ND
2012-06-11AB76345ND
2012-06-11AB76344ND
2012-06-11AB76343ND
2013-06-11AC02444ND
2013-06-11AC02445ND
2013-06-11AC02446ND
2013-06-11AC02447ND
2013-06-11AC02448ND
2013-06-11AC02443ND
2013-06-11AC02442ND
2013-06-11AC024410.600 ppb
2013-06-11AC02440ND
2013-06-11AC02439ND
2013-06-11AC02438ND
2013-06-11AC02437ND
2014-05-28AC261261.03 ppb
2014-05-28AC261271.45 ppb
2014-05-28AC261281.11 ppb
2014-05-28AC261291.11 ppb
2014-05-28AC261301.14 ppb
2014-05-28AC261251.52 ppb
2014-05-28AC261241.44 ppb
2014-05-28AC261231.30 ppb
2014-05-28AC261221.27 ppb
2014-05-28AC261211.78 ppb
2014-05-28AC261201.19 ppb
2014-05-28AC261191.79 ppb
2015-03-17AC446590.920 ppb
2015-03-17AC446570.720 ppb
2015-03-17AC446510.790 ppb
2015-03-17AC446500.670 ppb
2015-03-17AC446490.640 ppb
2015-03-17AC446480.870 ppb
2015-03-17AC44652ND
2015-03-17AC446531.42 ppb
2015-03-17AC446541.13 ppb
2015-03-17AC446550.960 ppb
2015-03-17AC446560.700 ppb
2015-03-17AC446580.610 ppb
2016-03-08AC68842ND
2016-03-08AC688370.830 ppb
2016-03-08AC688390.620 ppb
2016-03-08AC68840ND
2016-03-08AC68841ND
2016-03-08AC68838ND