Chloromethane
Concho Rural Water The Oaks
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.
12
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 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 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 | Lab ID | Result |
|---|---|---|
| 2018-05-10 | Q1819384007 | ND |
| 2018-05-10 | Q1819384008 | ND |
| 2019-02-28 | Q1908597001 | ND |
| 2019-02-28 | Q1908597003 | ND |
| 2020-03-04 | Q2008301001 | ND |
| 2020-05-20 | Q2020113001 | ND |
| 2021-03-11 | Q2106523006 | ND |
| 2021-03-11 | Q2106523008 | ND |
| 2022-03-03 | Q2207463002 | ND |
| 2022-05-19 | Q2214835001 | ND |
| 2023-05-18 | Q2318799008 | ND |
| 2023-05-18 | Q2318799010 | ND |