Bromodichloromethane
Vidalia
Bromodichloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromodichloromethane and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | 0.274 ppb | 19 | 2 | ND - 3.10 ppb |
2015 | 0.200 ppb | 17 | 3 | ND - 1.50 ppb |
2016 | 0.0270 ppb | 20 | 1 | ND - 0.540 ppb |
2017 | 0.447 ppb | 18 | 9 | ND - 2.10 ppb |
2018 | 0.963 ppb | 16 | 15 | ND - 2.38 ppb |
2019 | 0.680 ppb | 7 | 6 | ND - 1.34 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.06 ppb
The EWG Health Guideline of 0.06 ppb for bromodichloromethane was proposed in 2018 by the California Office of Environmental Health Hazard Assessment as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-01-13 | AI26378 | ND |
2014-02-26 | AI28716 | ND |
2014-02-26 | AI28715 | ND |
2014-02-26 | AI28714 | ND |
2014-02-26 | AI28713 | ND |
2014-04-21 | AI38492 | ND |
2014-05-27 | AI41475 | 3.10 ppb |
2014-05-27 | AI41474 | ND |
2014-05-27 | AI41473 | ND |
2014-05-27 | AI41472 | ND |
2014-07-22 | AI46541 | ND |
2014-08-26 | AI51490 | 2.10 ppb |
2014-08-26 | AI51487 | ND |
2014-08-26 | AI51488 | ND |
2014-08-26 | AI51489 | ND |
2014-11-24 | AI60106 | ND |
2014-11-24 | AI60105 | ND |
2014-11-24 | AI60104 | ND |
2014-11-24 | AI60103 | ND |
2015-02-24 | AI65499 | ND |
2015-02-24 | AI65498 | ND |
2015-02-24 | AI65497 | ND |
2015-02-24 | AI65496 | ND |
2015-03-31 | AI69906 | 0.500 ppb |
2015-05-26 | AI78049 | ND |
2015-05-26 | AI78048 | ND |
2015-05-26 | AI78047 | ND |
2015-05-26 | AI78046 | ND |
2015-08-25 | AI87592 | 1.50 ppb |
2015-08-25 | AI87591 | ND |
2015-08-25 | AI87590 | ND |
2015-08-25 | AI87589 | ND |
2015-11-23 | AJ01563 | ND |
2015-11-23 | AJ01564 | ND |
2015-11-23 | AJ01565 | ND |
2015-11-23 | AJ01566 | 1.40 ppb |
2016-02-22 | AJ06915 | ND |
2016-02-22 | AJ06914 | ND |
2016-02-22 | AJ06913 | ND |
2016-02-22 | AJ06912 | ND |
2016-05-03 | AJ11352 | ND |
2016-05-03 | AJ11351 | 0.540 ppb |
2016-05-03 | AJ11350 | ND |
2016-05-03 | AJ11349 | ND |
2016-05-25 | AJ12897 | ND |
2016-05-25 | AJ12896 | ND |
2016-05-25 | AJ12895 | ND |
2016-05-25 | AJ12894 | ND |
2016-08-29 | AJ24597 | ND |
2016-08-29 | AJ24596 | ND |
2016-08-29 | AJ24595 | ND |
2016-08-29 | AJ24594 | ND |
2016-11-21 | AJ33988 | ND |
2016-11-21 | AJ33987 | ND |
2016-11-21 | AJ33986 | ND |
2016-11-21 | AJ33985 | ND |
2017-02-22 | AJ46958 | ND |
2017-02-22 | AJ46959 | ND |
2017-02-22 | AJ46960 | ND |
2017-02-22 | AJ46961 | ND |
2017-05-22 | AJ55910 | ND |
2017-05-22 | AJ55909 | ND |
2017-05-22 | AJ55908 | ND |
2017-05-22 | AJ55907 | ND |
2017-06-15 | AJ57792 | ND |
2017-08-15 | 171089-04 | 0.600 ppb |
2017-08-15 | 171089-03 | 1.48 ppb |
2017-08-15 | 171089-02 | 0.820 ppb |
2017-08-15 | 171089-01 | 0.870 ppb |
2017-08-15 | 171088-01 | 0.590 ppb |
2017-11-29 | 171477-02 | 0.460 ppb |
2017-11-29 | 171477-01 | 0.590 ppb |
2017-11-29 | 171477-03 | 2.10 ppb |
2017-11-29 | 171477-04 | 0.530 ppb |
2018-02-26 | 176015-04 | 0.730 ppb |
2018-02-26 | 176015-03 | 1.75 ppb |
2018-02-26 | 176015-02 | 0.790 ppb |
2018-02-26 | 176015-01 | ND |
2018-05-23 | 178478-04 | 0.750 ppb |
2018-05-23 | 178478-03 | 2.38 ppb |
2018-05-23 | 178478-02 | 0.950 ppb |
2018-05-23 | 178478-01 | 1.02 ppb |
2018-08-14 | 181606-04 | 0.760 ppb |
2018-08-14 | 181606-01 | 0.650 ppb |
2018-08-14 | 181606-02 | 0.760 ppb |
2018-08-14 | 181606-03 | 1.51 ppb |
2018-11-14 | 184489-04 | 0.520 ppb |
2018-11-14 | 184489-03 | 0.510 ppb |
2018-11-14 | 184489-02 | 0.490 ppb |
2018-11-14 | 184489-01 | 1.83 ppb |
2019-02-11 | 187528-01 | 1.02 ppb |
2019-02-11 | 187527-01 | 0.340 ppb |
2019-02-11 | 187526-01 | 0.400 ppb |
2019-08-26 | 187311-02 | 1.34 ppb |
2019-08-26 | 187311-03 | ND |
2019-08-26 | 187311-04 | 0.740 ppb |
2019-08-26 | 187311-01 | 0.920 ppb |