Bromochloromethane
Norwell Water Department
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.
21
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | ND | 6 | 0 | ND |
| 2014 | ND | 3 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Result |
|---|---|
| 2013-03-05 | ND |
| 2013-03-05 | ND |
| 2013-03-06 | ND |
| 2013-09-25 | ND |
| 2013-09-25 | ND |
| 2013-09-26 | ND |
| 2014-08-27 | ND |
| 2014-08-27 | ND |
| 2014-08-27 | ND |
| 2016-09-08 | ND |
| 2016-09-08 | ND |
| 2016-09-08 | ND |
| 2017-08-30 | ND |
| 2017-08-30 | ND |
| 2017-08-30 | ND |
| 2018-11-09 | ND |
| 2018-11-09 | ND |
| 2018-11-09 | ND |
| 2019-08-21 | ND |
| 2019-08-21 | ND |
| 2019-08-21 | ND |