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EWG's Tap Water Database — 2019 UPDATE

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Bromochloroacetic 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 bromochloroacetic acid. Sample information shown below was taken by Missouri American St. Louis County & St. Charles County.

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20127.52 ppb663.75 ppb - 14.5 ppb
20133.13 ppb882.21 ppb - 4.70 ppb
20144.85 ppb881.80 ppb - 9.54 ppb
20154.25 ppb882.45 ppb - 6.97 ppb
20163.42 ppb881.78 ppb - 5.55 ppb
20173.26 ppb882.13 ppb - 3.92 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 bromochloroacetic acid. Sample information shown below was taken by Missouri American St. Louis County & St. Charles County.

Date Lab ID Result
2014-08-19AC309347.54 ppb
2014-08-19AC309482.72 ppb
2014-08-19AC309477.07 ppb
2014-08-19AC309462.68 ppb
2014-08-19AC309456.75 ppb
2014-08-19AC309446.14 ppb
2014-08-19AC309432.37 ppb
2014-08-19AC309426.64 ppb
2014-08-19AC309413.68 ppb
2014-08-19AC309407.71 ppb
2014-08-19AC309394.18 ppb
2014-08-19AC309387.59 ppb
2014-08-19AC309377.79 ppb
2014-08-19AC309364.04 ppb
2014-08-19AC309354.26 ppb
2014-08-19AC309492.51 ppb