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EWG's Tap Water Database — 2019 UPDATE

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Bromodichloroacetic acid

Jefferson County PWSD 10

NOTE: Jefferson County PWSD 10 purchases water from Missouri American St. Louis County & St. Charles County which is required to test for bromodichloroacetic acid. Sample information shown below was taken by Missouri American St. Louis County & St. Charles County.

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20121.52 ppb660.630 ppb - 3.21 ppb
20130.319 ppb83ND - 0.930 ppb
20141.56 ppb881.10 ppb - 2.09 ppb
20151.00 ppb87ND - 1.96 ppb
2016ND80ND
20170.160 ppb82ND - 0.660 ppb

ppb = parts per billion

All test results

NOTE: Jefferson County PWSD 10 purchases water from Missouri American St. Louis County & St. Charles County which is required to test for bromodichloroacetic acid. Sample information shown below was taken by Missouri American St. Louis County & St. Charles County.

Date Lab ID Result
2014-08-19AC309342.02 ppb
2014-08-19AC30948ND
2014-08-19AC309471.51 ppb
2014-08-19AC30946ND
2014-08-19AC309451.42 ppb
2014-08-19AC309441.65 ppb
2014-08-19AC30943ND
2014-08-19AC309421.10 ppb
2014-08-19AC30941ND
2014-08-19AC309401.67 ppb
2014-08-19AC309390.790 ppb
2014-08-19AC309382.04 ppb
2014-08-19AC309372.04 ppb
2014-08-19AC309360.840 ppb
2014-08-19AC309350.910 ppb
2014-08-19AC30949ND