Bromochloromethane
Hynes Estates Mutual Water Company
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 | 4 | 0 | ND |
| 2019 | ND | 8 | 0 | ND |
| 2020 | ND | 7 | 0 | ND |
| 2021 | ND | 4 | 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 |
|---|---|---|
| 2018-01-04 | CA3000519_001_001-201801040900 | ND |
| 2018-04-16 | CA3000519_001_001-201804161115 | ND |
| 2018-07-03 | CA3000519_001_001-201807030935 | ND |
| 2018-10-09 | CA3000519_001_001-201810091015 | ND |
| 2019-01-08 | CA3000519_001_001-201901081130 | ND |
| 2019-04-01 | CA3000519_001_001-201904010840 | ND |
| 2019-07-01 | CA3000519_001_001-201907011000 | ND |
| 2019-07-10 | CA3000519_005_005-201907101130 | ND |
| 2019-08-22 | CA3000519_005_005-201908221035 | ND |
| 2019-08-22 | CA3000519_005_005-201908221045 | ND |
| 2019-10-02 | CA3000519_001_001-201910021000 | ND |
| 2019-11-07 | CA3000519_005_005-201911071310 | ND |
| 2020-02-04 | CA3000519_005_005-202002041035 | ND |
| 2020-02-04 | CA3000519_001_001-202002041125 | ND |
| 2020-05-05 | CA3000519_005_005-202005051010 | ND |
| 2020-05-05 | CA3000519_001_001-202005051030 | ND |
| 2020-07-07 | CA3000519_005_005-202007071000 | ND |
| 2020-08-25 | CA3000519_001_001-202008250920 | ND |
| 2020-11-17 | CA3000519_001_001-202011170900 | ND |
| 2021-02-04 | CA3000519_005_005-202102041240 | ND |
| 2021-02-04 | CA3000519_001_001-202102041225 | ND |
| 2021-04-08 | CA3000519_005_005-202104081045 | ND |
| 2021-05-03 | CA3000519_001_001-202105030805 | ND |