Bromochloromethane
City of Eureka
NOTE: City of Eureka purchases water from Humboldt Bay MWD which is required to test for bromochloromethane. Sample information shown below was taken by Humboldt Bay MWD.
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.
5
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 | 2 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 3 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
NOTE: City of Eureka purchases water from Humboldt Bay MWD which is required to test for bromochloromethane. Sample information shown below was taken by Humboldt Bay MWD.
| Date | Lab ID | Result |
|---|---|---|
| 2013-03-25 | 3C26025-01A | ND |
| 2013-09-25 | 3I26010-01A | ND |
| 2018-05-16 | 3334-005-1000 | ND |
| 2018-08-02 | 3334-005-1430 | ND |
| 2018-11-13 | 3334-005-0904 | ND |