Bromochloromethane
Holbrook Public Works Department
NOTE: Holbrook Public Works Department purchases water from Randolph/Holbrook Water Board which is required to test for bromochloromethane. Sample information shown below was taken by Randolph/Holbrook Water Board.
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 | 2 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Holbrook Public Works Department purchases water from Randolph/Holbrook Water Board which is required to test for bromochloromethane. Sample information shown below was taken by Randolph/Holbrook Water Board.
| Date | Result |
|---|---|
| 2014-02-11 | ND |
| 2016-02-24 | ND |
| 2017-02-15 | ND |
| 2018-02-14 | ND |
| 2019-04-11 | ND |