Chloromethane
Westwood Villa Apartments
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.
0
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 | 7.65 ppb | 2 | 2 | 6.50 ppb - 8.80 ppb |
| 2019 | 7.75 ppb | 2 | 2 | 4.50 ppb - 11.0 ppb |
| 2020 | 5.70 ppb | 2 | 2 | 3.50 ppb - 7.90 ppb |
| 2021 | 6.70 ppb | 2 | 2 | 3.40 ppb - 10.00 ppb |
| 2022 | 5.40 ppb | 2 | 2 | 4.80 ppb - 6.00 ppb |
| 2023 | 8.80 ppb | 2 | 2 | 7.70 ppb - 9.90 ppb |
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 |
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