Chloromethane
Vera Water & Power
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.
14
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 |
|---|---|---|---|---|
| 2015 | ND | 6 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 1 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 7 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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 | Lab ID | Result |
|---|---|---|
| 2015-07-13 | 150717001-004 | ND |
| 2015-07-13 | 150717001-003 | ND |
| 2015-07-13 | 150717001-002 | ND |
| 2015-07-13 | 150717001-001 | ND |
| 2015-07-13 | 150717001-006 | ND |
| 2015-07-13 | 150717001-005 | ND |
| 2019-08-29 | ND | |
| 2022-10-03 | 4347779 | ND |
| 2022-10-03 | 4347780 | ND |
| 2022-10-03 | 4347781 | ND |
| 2022-10-03 | 4347783 | ND |
| 2022-10-03 | 4347785 | ND |
| 2022-10-03 | 4347782 | ND |
| 2022-10-03 | 4347784 | ND |