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EWG's Tap Water Database — 2019 UPDATE

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Bromochloroacetic acid

St. Louis City

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

 

54

Samples

0

Samples exceeding legal limit (MCL)

51

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20121.14 ppb129ND - 1.79 ppb
20131.87 ppb12121.35 ppb - 2.34 ppb
20143.22 ppb12122.25 ppb - 5.03 ppb
20153.90 ppb12122.46 ppb - 4.98 ppb
20162.78 ppb662.12 ppb - 3.41 ppb
2017N/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 bromochloroacetic 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
2012-06-11AB763421.35 ppb
2012-06-11AB76353ND
2012-06-11AB763521.52 ppb
2012-06-11AB763511.50 ppb
2012-06-11AB763501.45 ppb
2012-06-11AB763491.79 ppb
2012-06-11AB763481.49 ppb
2012-06-11AB763471.61 ppb
2012-06-11AB763461.47 ppb
2012-06-11AB76345ND
2012-06-11AB76344ND
2012-06-11AB763431.47 ppb
2013-06-11AC024441.35 ppb
2013-06-11AC024451.56 ppb
2013-06-11AC024462.16 ppb
2013-06-11AC024472.24 ppb
2013-06-11AC024481.68 ppb
2013-06-11AC024431.83 ppb
2013-06-11AC024422.34 ppb
2013-06-11AC024411.73 ppb
2013-06-11AC024401.93 ppb
2013-06-11AC024391.92 ppb
2013-06-11AC024381.77 ppb
2013-06-11AC024371.95 ppb
2014-05-28AC261262.39 ppb
2014-05-28AC261272.67 ppb
2014-05-28AC261283.81 ppb
2014-05-28AC261293.34 ppb
2014-05-28AC261302.64 ppb
2014-05-28AC261253.08 ppb
2014-05-28AC261243.06 ppb
2014-05-28AC261232.59 ppb
2014-05-28AC261223.11 ppb
2014-05-28AC261214.62 ppb
2014-05-28AC261202.25 ppb
2014-05-28AC261195.03 ppb
2015-03-17AC446553.23 ppb
2015-03-17AC446544.86 ppb
2015-03-17AC446533.16 ppb
2015-03-17AC446524.48 ppb
2015-03-17AC446484.98 ppb
2015-03-17AC446563.84 ppb
2015-03-17AC446584.22 ppb
2015-03-17AC446493.97 ppb
2015-03-17AC446502.46 ppb
2015-03-17AC446513.28 ppb
2015-03-17AC446573.80 ppb
2015-03-17AC446594.54 ppb
2016-03-08AC688392.90 ppb
2016-03-08AC688402.73 ppb
2016-03-08AC688412.86 ppb
2016-03-08AC688382.12 ppb
2016-03-08AC688422.68 ppb
2016-03-08AC688373.41 ppb