Bromochloromethane
NJ Water Supply Authority Manasquan
Bromochloromethane is a tap water disinfection byproduct; it is also used as an intermediate in chemical manufacturing and as a fire extinguishing agent. Disinfection byproducts in drinking water increase the risk of cancer.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | ND | 1 | 0 | ND |
| 2014 | ND | 2 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | 1.47 ppb | 6 | 1 | ND - 8.80 ppb |
| 2019 | ND | 3 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.06 ppb
The EWG Health Guideline of 0.06 ppb for bromochloromethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer, harm to reproduction and child development, and change to fetal growth and development.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2013-12-03 | 1061943003 | ND |
| 2014-03-04 | 1074262003 | ND |
| 2014-09-02 | 2026740003 | ND |
| 2018-03-27 | 380327077 | ND |
| 2018-03-27 | 380327079 | ND |
| 2018-03-27 | 380327078 | ND |
| 2018-09-04 | 380904736 | 8.80 ppb |
| 2018-09-04 | 380904737 | ND |
| 2018-09-04 | 380904735 | ND |
| 2019-03-26 | 390326704 | ND |
| 2019-09-10 | 390910713 | ND |
| 2019-09-11 | 390912720 | ND |
| 2020-03-17 | 3093847001 | ND |
| 2020-09-17 | 200917023-02 | ND |
| 2021-03-09 | 210309060-02 | ND |