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EWG's Tap Water Database — 2019 UPDATE

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Bromodichloroacetic acid

Jefferson County PWSD 10

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.

 

46

Samples

0

Samples exceeding legal limit (MCL)

26

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

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
2012-05-21AB708230.710 ppb
2012-05-21AB708240.810 ppb
2012-08-14AB812162.81 ppb
2012-08-14AB812173.21 ppb
2012-11-27AB863740.920 ppb
2012-11-27AB863730.630 ppb
2013-02-19AB92101ND
2013-02-19AB92102ND
2013-05-17AB966600.860 ppb
2013-05-17AB966610.930 ppb
2013-08-12AC07356ND
2013-08-12AC07355ND
2013-11-21AC14234ND
2013-11-21AC142350.760 ppb
2014-02-20AC182641.93 ppb
2014-02-20AC182651.10 ppb
2014-05-28AC232731.56 ppb
2014-05-28AC232721.34 ppb
2014-09-10AC334961.78 ppb
2014-09-10AC334972.09 ppb
2014-12-01AC383201.33 ppb
2014-12-01AC383211.35 ppb
2015-02-23AC420470.640 ppb
2015-02-23AC420480.650 ppb
2015-06-03AC520371.82 ppb
2015-06-03AC520381.96 ppb
2015-09-17AC60599ND
2015-09-17AC606001.37 ppb
2015-11-30AC628660.800 ppb
2015-11-30AC628650.790 ppb
2016-02-29AC66411ND
2016-02-29AC66412ND
2016-06-03AC75869ND
2016-06-03AC75870ND
2016-08-29AC81756ND
2016-08-29AC81757ND
2016-10-31AC87004ND
2016-10-31AC87005ND
2017-02-22AC908550.620 ppb
2017-02-22AC908540.660 ppb
2017-05-23AC95832ND
2017-05-23AC95831ND
2017-09-05AD03584ND
2017-09-05AD03585ND
2017-11-27AD09544ND
2017-11-27AD09545ND