Chloromethane
Linkwood Estates Subdivision
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 | 0.360 ppb | 2 | 1 | ND - 0.720 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 |
|---|---|---|
| 2018-02-13 | Q1805888002 | ND |
| 2018-02-13 | Q1805888004 | ND |
| 2019-03-05 | Q1909165002 | ND |
| 2019-03-05 | Q1909165003 | ND |
| 2020-02-12 | Q2005782001 | ND |
| 2020-02-12 | Q2005782003 | ND |
| 2021-06-16 | Q2115848004 | ND |
| 2021-09-13 | Q2124828001 | ND |
| 2022-03-22 | Q2209181002 | ND |
| 2022-03-22 | Q2209181005 | ND |
| 2023-02-21 | Q2307021002 | 0.720 ppb |
| 2023-12-04 | Q2351646001 | ND |