Bromochloromethane
Coast Springs - Cal. Water Service (puc)
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 |
|---|---|---|---|---|
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 4 | 0 | ND |
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 |
|---|---|---|
| 2018-07-12 | CA2110007_001_001-201807121225 | ND |
| 2018-07-12 | CA2110007_015_015-201807121235 | ND |
| 2018-07-23 | CA2110007_003_003-201807231145 | ND |
| 2018-07-23 | CA2110007_004_004-201807231200 | ND |
| 2018-09-18 | CA2110007_007_007-201809181055 | ND |
| 2019-01-08 | CA2110007_006_006-201901081050 | ND |
| 2019-08-28 | CA2110007_005_005-201908281025 | ND |
| 2019-08-28 | CA2110007_010_010-201908281100 | ND |
| 2021-06-08 | CA2110007_001_001-202106081015 | ND |
| 2021-06-08 | CA2110007_015_015-202106081010 | ND |
| 2021-07-06 | CA2110007_003_003-202107060945 | ND |
| 2021-07-06 | CA2110007_004_004-202107061010 | ND |
| 2022-06-21 | CA2110007_001_001-202206211115 | ND |
| 2022-06-21 | CA2110007_015_015-202206211030 | ND |
| 2022-08-16 | CA2110007_005_005-202208161255 | ND |
| 2022-08-16 | CA2110007_010_010-202208161215 | ND |
| 2022-10-31 | CA2110007_002_002-202210311125 | ND |
| 2023-04-17 | CA2110007_008_008-202304171135 | ND |
| 2023-06-06 | CA2110007_001_001-202306061055 | ND |
| 2023-06-06 | CA2110007_015_015-202306061100 | ND |
| 2023-08-24 | CA2110007_016_016-202308241210 | ND |