Chloromethane
Caryville-Jacksboro Utilities
Chloromethane is an industrial solvent, aerosol propellant and a refrigerant. It also forms as a byproduct of water disinfection. The EPA classifies chloromethane as possibly carcinogenic to humans.
23
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 | 0.0625 ppb | 8 | 2 | ND - 0.300 ppb |
| 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 |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 2.69 ppb
The EWG Health Guideline of 2.69 ppb for chloromethane was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against cancer.
ppb = parts per billion
All test results
| Date | Result |
|---|---|
| 2014-05-21 | ND |
| 2014-05-21 | ND |
| 2014-05-21 | 0.200 ppb |
| 2014-08-13 | ND |
| 2014-08-13 | ND |
| 2014-11-19 | 0.300 ppb |
| 2014-12-04 | ND |
| 2014-12-04 | ND |
| 2015-02-24 | ND |
| 2015-02-24 | ND |
| 2018-08-01 | ND |
| 2018-08-01 | ND |
| 2018-08-01 | ND |
| 2019-08-05 | ND |
| 2019-08-05 | ND |
| 2019-08-05 | ND |
| 2020-03-09 | ND |
| 2021-08-03 | ND |
| 2021-08-03 | ND |
| 2022-08-02 | ND |
| 2022-08-02 | ND |
| 2023-08-01 | ND |
| 2023-08-01 | ND |