Bromochloromethane
Concho Rural Water Grape Creek
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 | 0.185 ppb | 2 | 2 | 0.150 ppb - 0.220 ppb |
| 2014 | 0.0300 ppb | 2 | 1 | ND - 0.0600 ppb |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 4 | 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 |
|---|---|---|
| 2018-02-21 | Q1807223003 | ND |
| 2018-02-21 | Q1807223011 | ND |
| 2018-02-21 | Q1807223016 | ND |
| 2018-02-21 | Q1807223001 | ND |
| 2019-02-28 | Q1908591007 | ND |
| 2019-02-28 | Q1908591015 | ND |
| 2019-02-28 | Q1908591016 | ND |
| 2019-02-28 | Q1908591019 | ND |
| 2020-03-04 | Q2008293005 | ND |
| 2020-03-04 | Q2008293007 | ND |
| 2020-03-04 | Q2008293009 | ND |
| 2020-03-18 | Q2012036003 | ND |
| 2021-03-11 | Q2106518004 | ND |
| 2021-03-11 | Q2106518010 | ND |
| 2021-03-11 | Q2106518008 | ND |
| 2021-03-11 | Q2106518006 | ND |
| 2022-03-03 | Q2207458007 | ND |
| 2022-03-03 | Q2207458009 | ND |
| 2022-03-03 | Q2207458011 | ND |
| 2022-03-03 | Q2207458013 | ND |
| 2023-03-09 | Q2309465008 | ND |
| 2023-03-09 | Q2309465010 | ND |
| 2023-03-09 | Q2309465012 | ND |
| 2023-03-09 | Q2309465014 | ND |