Bromochloromethane
Covina Water Department
NOTE: Covina Water Department purchases water from Covina Irrigating Company which is required to test for bromochloromethane. Sample information shown below was taken by Covina Irrigating Company.
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.
9
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 |
|---|---|---|---|---|
| 2014 | ND | 6 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
NOTE: Covina Water Department purchases water from Covina Irrigating Company which is required to test for bromochloromethane. Sample information shown below was taken by Covina Irrigating Company.
| Date | Lab ID | Result |
|---|---|---|
| 2014-10-24 | 9588-002-1005 | ND |
| 2014-10-24 | 9588-003-1015 | ND |
| 2015-11-10 | 9588-002-0900 | ND |
| 2018-08-08 | 9588-002-1410 | ND |
| 2018-08-10 | 9588-001-1330 | ND |
| 2018-08-10 | 9588-003-1345 | ND |
| 2019-07-25 | 9588-001-1050 | ND |
| 2019-07-25 | 9588-002-1105 | ND |
| 2019-07-25 | 9588-003-1100 | ND |