Bromochloromethane
North Cherokee Water Supply Corporation
NOTE: North Cherokee Water Supply Corporation purchases water from City of Jacksonville which is required to test for bromochloromethane. Sample information shown below was taken by City of Jacksonville.
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 12 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.06 ppb
The EWG Health Guideline of 0.06 ppb for bromochloromethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer, harm to reproduction and child development, and change to fetal growth and development.
ppb = parts per billion
All test results
NOTE: North Cherokee Water Supply Corporation purchases water from City of Jacksonville which is required to test for bromochloromethane. Sample information shown below was taken by City of Jacksonville.
| Date | Lab ID | Result |
|---|---|---|
| 2014-05-14 | 201405160361AM | ND |
| 2014-05-14 | 201405160371AM | ND |
| 2014-05-14 | 201405160434AM | ND |
| 2014-05-14 | 201405160373AM | ND |
| 2014-05-14 | 201405160299AM | ND |
| 2014-08-21 | 201408220513AM | ND |
| 2014-11-18 | 201411190586AM | ND |
| 2014-11-18 | 201411190427AM | ND |
| 2014-11-18 | 201411190579AM | ND |
| 2014-11-18 | 201411190466AM | ND |
| 2014-11-18 | 201411190298AM | ND |
| 2014-11-18 | 201411190272AM | ND |
| 2015-02-26 | 201502270193AM | ND |
| 2015-02-26 | 201502270199AM | ND |
| 2018-09-13 | Q1836630003 | ND |
| 2018-11-12 | Q1845099003 | ND |
| 2018-11-12 | Q1845099007 | ND |
| 2018-11-12 | Q1845099011 | ND |
| 2018-11-12 | Q1845099015 | ND |
| 2019-01-30 | Q1904613014 | ND |
| 2019-01-30 | Q1904613016 | ND |
| 2019-01-30 | Q1904613017 | ND |
| 2019-01-30 | Q1904613019 | ND |
| 2019-07-02 | Q1941674001 | ND |
| 2019-07-02 | Q1941674003 | ND |
| 2020-01-27 | Q2002874011 | ND |
| 2020-01-27 | Q2002874013 | ND |
| 2020-01-27 | Q2002874015 | ND |
| 2020-01-27 | Q2002874017 | ND |
| 2020-05-07 | Q2018089003 | ND |
| 2020-07-01 | Q2026151001 | ND |
| 2021-07-12 | Q2118022007 | ND |
| 2021-07-12 | Q2118022009 | ND |
| 2021-07-12 | Q2118022011 | ND |
| 2021-07-12 | Q2118022013 | ND |
| 2021-07-12 | Q2118022015 | ND |
| 2021-07-12 | Q2118022017 | ND |
| 2022-04-07 | Q2210862004 | ND |
| 2022-04-07 | Q2210862006 | ND |
| 2022-04-07 | Q2210862008 | ND |
| 2022-04-07 | Q2210862010 | ND |
| 2022-08-25 | Q2225372001 | ND |
| 2022-12-01 | Q2235911007 | ND |
| 2022-12-01 | Q2235911009 | ND |
| 2023-01-30 | Q2304172002 | ND |
| 2023-04-27 | Q2315893005 | ND |
| 2023-07-03 | Q2326028004 | ND |
| 2023-09-28 | Q2341783012 | ND |
| 2023-09-28 | Q2341783010 | ND |
| 2023-09-28 | Q2341783008 | ND |
| 2023-09-28 | Q2341783006 | ND |