Bromochloromethane
Johnston Municipal Water Supply
NOTE: Johnston Municipal Water Supply purchases water from Des Moines Water Works which is required to test for bromochloromethane. Sample information shown below was taken by Des Moines Water Works.
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 6 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
NOTE: Johnston Municipal Water Supply purchases water from Des Moines Water Works which is required to test for bromochloromethane. Sample information shown below was taken by Des Moines Water Works.
Date | Lab ID | Result |
---|---|---|
2014-07-30 | 180955 | ND |
2014-07-30 | 180953 | ND |
2014-07-30 | 180959 | ND |
2014-10-08 | 196216 | ND |
2014-10-08 | 196222 | ND |
2014-10-08 | 196219 | ND |
2015-01-26 | 211478 | ND |
2015-01-26 | 211497 | ND |
2015-01-26 | 211477 | ND |
2015-04-01 | 226435 | ND |
2015-04-01 | 226530 | ND |
2015-04-01 | 226431 | ND |