Chloromethane
Stromsburg, City of
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 |
|---|---|---|
| 2018-07-30 | 560164 | ND |
| 2018-08-27 | 568522 | ND |
| 2019-07-16 | 621250 | ND |
| 2019-08-26 | 628429 | ND |
| 2020-08-10 | 691486 | ND |
| 2020-08-24 | 689893 | ND |
| 2021-07-26 | 746032 | ND |
| 2021-08-23 | 753785 | ND |
| 2022-08-18 | 816162 | ND |
| 2022-08-29 | 809323 | ND |
| 2023-07-25 | 873479 | ND |
| 2023-08-28 | 880245 | ND |