Chloromethane
Bell Water
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.
6
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 |
|---|---|---|---|---|
| 2018 | 1.61 ppb | 1 | 1 | 1.61 ppb |
| 2019 | 0.710 ppb | 1 | 1 | 0.710 ppb |
| 2020 | 1.74 ppb | 1 | 1 | 1.74 ppb |
| 2021 | 1.12 ppb | 1 | 1 | 1.12 ppb |
| 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: 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 |
|---|---|---|
| 2018-09-27 | Q1838675001 | 1.61 ppb |
| 2019-12-18 | Q1980818003 | 0.710 ppb |
| 2020-12-01 | Q2047999001 | 1.74 ppb |
| 2021-03-10 | Q2106426001 | 1.12 ppb |
| 2022-04-20 | Q2212072004 | ND |
| 2023-06-12 | Q2322102001 | ND |