Bromochloromethane
Horsham Water&sewer 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 |
|---|---|---|---|---|
| 2014 | ND | 32 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2014-06-24 | AE37874 | ND |
| 2014-06-24 | AE37775 | ND |
| 2014-06-24 | AE37769 | ND |
| 2014-06-24 | AE37778 | ND |
| 2014-06-24 | AE37877 | ND |
| 2014-06-24 | AE37871 | ND |
| 2014-06-24 | AE37868 | ND |
| 2014-06-24 | AE37772 | ND |
| 2014-06-25 | AE38113 | ND |
| 2014-06-25 | AE38110 | ND |
| 2014-06-25 | AE38116 | ND |
| 2014-06-25 | AE38119 | ND |
| 2014-06-26 | AE38214 | ND |
| 2014-06-26 | AE38211 | ND |
| 2014-07-03 | AE39279 | ND |
| 2014-07-24 | AE41843 | ND |
| 2014-09-24 | AE49704 | ND |
| 2014-09-24 | AE50038 | ND |
| 2014-12-05 | AE59397 | ND |
| 2014-12-08 | AE59491 | ND |
| 2014-12-08 | AE59488 | ND |
| 2014-12-08 | AE59494 | ND |
| 2014-12-09 | AE59784 | ND |
| 2014-12-09 | AE59778 | ND |
| 2014-12-09 | AE59781 | ND |
| 2014-12-10 | AE59903 | ND |
| 2014-12-10 | AE59900 | ND |
| 2014-12-10 | AE59897 | ND |
| 2014-12-12 | AE60077 | ND |
| 2014-12-12 | AE60086 | ND |
| 2014-12-12 | AE60080 | ND |
| 2014-12-12 | AE60083 | ND |
| 2015-03-19 | AE68817 | ND |
| 2015-03-19 | AE68813 | ND |