Dibromochloromethane
South Brunswick Twp W
Dibromochloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Dibromochloromethane 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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | 0.650 ppb | 27 | 12 | ND - 2.26 ppb |
2015 | 1.42 ppb | 17 | 13 | ND - 3.50 ppb |
2016 | 1.39 ppb | 16 | 16 | 0.594 ppb - 2.07 ppb |
2017 | 1.35 ppb | 16 | 16 | 0.570 ppb - 4.79 ppb |
2018 | 1.78 ppb | 17 | 17 | 0.466 ppb - 5.25 ppb |
2019 | 2.22 ppb | 16 | 16 | 0.851 ppb - 4.24 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.1 ppb
The EWG Health Guideline of 0.1 ppb for dibromochloromethane 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 |
---|---|---|
2014-02-06 | 4020101-04 | ND |
2014-02-06 | 4020101-03 | ND |
2014-02-06 | 4020101-02 | ND |
2014-02-06 | 4020101-01 | ND |
2014-03-05 | 4030077-01 | ND |
2014-03-05 | 4030077-02 | ND |
2014-03-05 | 4030077-03 | ND |
2014-05-08 | 4050286-04 | 0.870 ppb |
2014-05-08 | 4050286-03 | 1.48 ppb |
2014-05-08 | 4050286-02 | 0.970 ppb |
2014-05-08 | 4050286-01 | 1.08 ppb |
2014-05-28 | 4050802-01 | ND |
2014-05-28 | 4050802-02 | ND |
2014-05-28 | 4050802-03 | ND |
2014-07-23 | 4070735-01 | ND |
2014-07-23 | 4070735-02 | ND |
2014-07-23 | 4070735-03 | ND |
2014-08-07 | 4080257-04 | 2.05 ppb |
2014-08-07 | 4080257-03 | 1.81 ppb |
2014-08-07 | 4080257-02 | 2.26 ppb |
2014-08-07 | 4080257-01 | 1.03 ppb |
2014-10-28 | 4100839-01 | ND |
2014-10-28 | 4100839-02 | ND |
2014-11-06 | 4110178-04 | 1.59 ppb |
2014-11-06 | 4110178-03 | 1.60 ppb |
2014-11-06 | 4110178-02 | 1.39 ppb |
2014-11-06 | 4110178-01 | 1.41 ppb |
2015-02-05 | 5020116-04 | 3.19 ppb |
2015-02-05 | 5020116-03 | 3.50 ppb |
2015-02-05 | 5020116-02 | 2.83 ppb |
2015-02-05 | 5020116-01 | 2.42 ppb |
2015-05-07 | 5050238-04 | 2.28 ppb |
2015-05-07 | 5050238-03 | 2.11 ppb |
2015-05-07 | 5050238-02 | 2.38 ppb |
2015-05-07 | 5050238-01 | ND |
2015-07-14 | 5070417-01 | 0.389 ppb |
2015-08-06 | 5080201-04 | ND |
2015-08-06 | 5080201-03 | ND |
2015-08-06 | 5080201-02 | 2.02 ppb |
2015-08-06 | 5080201-01 | ND |
2015-11-05 | 5110193-04 | 0.746 ppb |
2015-11-05 | 5110193-03 | 0.977 ppb |
2015-11-05 | 5110193-02 | 0.704 ppb |
2015-11-05 | 5110193-01 | 0.590 ppb |
2016-02-04 | 6020166-04 | 1.84 ppb |
2016-02-04 | 6020166-03 | 1.91 ppb |
2016-02-04 | 6020166-02 | 1.99 ppb |
2016-02-04 | 6020166-01 | 2.07 ppb |
2016-05-05 | 6050205-04 | 1.82 ppb |
2016-05-05 | 6050205-03 | 1.58 ppb |
2016-05-05 | 6050205-02 | 1.48 ppb |
2016-05-05 | 6050205-01 | 1.46 ppb |
2016-08-04 | 6080180-04 | 0.594 ppb |
2016-08-04 | 6080180-03 | 0.655 ppb |
2016-08-04 | 6080180-02 | 0.919 ppb |
2016-08-04 | 6080180-01 | 1.06 ppb |
2016-11-03 | 6110131-04 | 1.14 ppb |
2016-11-03 | 6110131-03 | 1.06 ppb |
2016-11-03 | 6110131-02 | 1.13 ppb |
2016-11-03 | 6110131-01 | 1.46 ppb |
2017-02-08 | 7020277-04 | 1.13 ppb |
2017-02-08 | 7020277-03 | 1.32 ppb |
2017-02-08 | 7020277-02 | 1.27 ppb |
2017-02-08 | 7020277-01 | 1.62 ppb |
2017-05-11 | 7050460-04 | 0.958 ppb |
2017-05-11 | 7050460-03 | 1.32 ppb |
2017-05-11 | 7050460-02 | 0.950 ppb |
2017-05-11 | 7050460-01 | 1.39 ppb |
2017-08-10 | 7080425-04 | 1.13 ppb |
2017-08-10 | 7080425-03 | 1.30 ppb |
2017-08-10 | 7080425-02 | 0.668 ppb |
2017-08-10 | 7080425-01 | 0.570 ppb |
2017-11-08 | 7110331-04 | 0.890 ppb |
2017-11-08 | 7110331-03 | 1.20 ppb |
2017-11-08 | 7110331-02 | 1.16 ppb |
2017-11-08 | 7110331-01 | 4.79 ppb |
2018-02-08 | 8020272-04 | 1.70 ppb |
2018-02-08 | 8020272-03 | 2.26 ppb |
2018-02-08 | 8020272-02 | 1.11 ppb |
2018-02-08 | 8020272-01 | 2.79 ppb |
2018-05-10 | 8050514-04 | 1.79 ppb |
2018-05-10 | 8050514-03 | 1.66 ppb |
2018-05-10 | 8050514-02 | 1.63 ppb |
2018-05-10 | 8050514-01 | 1.42 ppb |
2018-07-09 | 8070271-01 | 0.466 ppb |
2018-08-09 | 8080434-04 | 1.42 ppb |
2018-08-09 | 8080434-03 | 1.23 ppb |
2018-08-09 | 8080434-02 | 1.85 ppb |
2018-08-09 | 8080434-01 | 0.842 ppb |
2018-11-08 | 8110364-04 | 1.12 ppb |
2018-11-08 | 8110364-03 | 2.85 ppb |
2018-11-08 | 8110364-02 | 0.956 ppb |
2018-11-08 | 8110364-01 | 5.25 ppb |
2019-02-07 | 9020308-04 | 1.78 ppb |
2019-02-07 | 9020308-03 | 2.97 ppb |
2019-02-07 | 9020308-02 | 1.63 ppb |
2019-02-07 | 9020308-01 | 2.95 ppb |
2019-05-09 | 9050453-04 | 0.901 ppb |
2019-05-09 | 9050453-03 | 2.24 ppb |
2019-05-09 | 9050453-02 | 0.851 ppb |
2019-05-09 | 9050453-01 | 3.15 ppb |
2019-08-08 | 9080426-04 | 2.33 ppb |
2019-08-08 | 9080426-03 | 4.24 ppb |
2019-08-08 | 9080426-02 | 2.57 ppb |
2019-08-08 | 9080426-01 | 0.883 ppb |
2019-11-07 | 9110374-04 | 1.000 ppb |
2019-11-07 | 9110374-03 | 2.92 ppb |
2019-11-07 | 9110374-02 | 1.000 ppb |
2019-11-07 | 9110374-01 | 4.13 ppb |