Bromochloromethane
Hardyston Township Municipal Utilities Authority
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 |
|---|---|---|---|---|
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 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 |
|---|---|---|
| 2018-03-20 | L7010368-3 | ND |
| 2018-05-15 | L7025940-2 | ND |
| 2018-06-20 | L7042368-4 | ND |
| 2018-09-12 | L7071987-1 | ND |
| 2018-12-18 | L7089323-3 | ND |
| 2019-03-06 | L7108097-1 | ND |
| 2020-06-26 | 200626034-01 | ND |
| 2021-07-21 | 210721105-02 | ND |
| 2021-07-21 | 210721105-07 | ND |
| 2022-09-13 | 220913061-04 | ND |