Bromochloromethane
Otay Water District
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.
11
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 | 0.107 ppb | 4 | 4 | 0.0720 ppb - 0.140 ppb |
| 2014 | 0.0405 ppb | 4 | 2 | ND - 0.1000 ppb |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 3 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2013-08-14 | 201308160368AM | 0.0720 ppb |
| 2013-08-14 | 201308160370AM | 0.0970 ppb |
| 2013-11-13 | 201311150251AM | 0.120 ppb |
| 2013-11-13 | 201311150249AM | 0.140 ppb |
| 2014-02-19 | 201402210219AM | ND |
| 2014-02-19 | 201402210217AM | 0.1000 ppb |
| 2014-05-20 | 201405220441AM | ND |
| 2014-05-20 | 201405220439AM | 0.0620 ppb |
| 2017-04-06 | 9590-037-1100 | ND |
| 2017-07-07 | 9590-037-1032 | ND |
| 2017-10-10 | 9590-037-1045 | ND |