Chloromethane
Coon Rapids
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 | 6 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 1 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 8 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 4 | 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 |
|---|---|---|
| 2014-01-28 | 1069391003 | ND |
| 2014-01-28 | 1069391006 | ND |
| 2014-07-15 | 2018295012 | ND |
| 2014-07-15 | 2018295006 | ND |
| 2014-07-15 | 2018295003 | ND |
| 2014-07-15 | 2018295009 | ND |
| 2015-06-03 | 2074918008 | ND |
| 2015-06-03 | 2074918005 | ND |
| 2018-09-12 | 18I0556-01 | ND |
| 2020-06-23 | 20F1889-03 | ND |
| 2020-08-20 | 20H1633-04 | ND |
| 2020-08-20 | 20H1633-03 | ND |
| 2020-08-20 | 20H1633-02 | ND |
| 2020-08-20 | 20H1633-01 | ND |
| 2020-08-20 | 20H1631-01 | ND |
| 2020-08-20 | 20H1626-04 | ND |
| 2020-08-20 | 20H1626-03 | ND |
| 2021-12-17 | 21L0752-01 | ND |
| 2023-04-11 | 23D0521-01 | ND |
| 2023-08-11 | 23H1564-04 | ND |
| 2023-08-11 | 23H1564-07 | ND |
| 2023-08-11 | 23H1564-08 | ND |