Chloromethane
Modern Electric Water Company
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.
22
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 | ND | 7 | 0 | ND |
| 2015 | ND | 7 | 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 |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 6 | 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 | Lab ID | Result |
|---|---|---|
| 2014-05-30 | 140530047-002 | ND |
| 2014-05-30 | 140530047-001 | ND |
| 2014-10-13 | 141016009-005 | ND |
| 2014-10-13 | 141016009-004 | ND |
| 2014-10-13 | 141016009-001 | ND |
| 2014-10-13 | 141016009-003 | ND |
| 2014-10-13 | 141016009-002 | ND |
| 2015-01-12 | 150113002-002 | ND |
| 2015-01-12 | 150113002-001 | ND |
| 2015-09-14 | 150915035-002 | ND |
| 2015-09-14 | 150915035-003 | ND |
| 2015-09-14 | 150915035-001 | ND |
| 2015-09-14 | 150915035-005 | ND |
| 2015-09-14 | 150915035-004 | ND |
| 2022-07-07 | 4308711 | ND |
| 2022-07-07 | 4308710 | ND |
| 2022-07-07 | 4308713 | ND |
| 2022-07-07 | 4308708 | ND |
| 2022-07-07 | 4308707 | ND |
| 2022-07-07 | 4308706 | ND |
| 2023-02-27 | 4424744 | ND |
| 2023-04-12 | 4442859 | ND |