Chloromethane
Murray, Village of
NOTE: Murray, Village of purchases water from Cass County Rural Water District 1 which is required to test for chloromethane. Sample information shown below was taken by Cass County Rural Water District 1.
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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 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
NOTE: Murray, Village of purchases water from Cass County Rural Water District 1 which is required to test for chloromethane. Sample information shown below was taken by Cass County Rural Water District 1.
| Date | Lab ID | Result |
|---|---|---|
| 2018-07-30 | 567256 | ND |
| 2018-11-13 | 577214 | ND |
| 2018-11-13 | 577213 | ND |
| 2018-11-13 | 577211 | ND |
| 2018-11-13 | 577212 | ND |
| 2019-08-12 | 628381 | ND |
| 2020-08-10 | 689837 | ND |
| 2021-08-09 | 753715 | ND |
| 2021-10-25 | 763798 | ND |
| 2021-10-25 | 763796 | ND |
| 2021-10-25 | 763797 | ND |
| 2021-10-25 | 763795 | ND |
| 2022-08-01 | 816086 | ND |
| 2023-08-01 | 880197 | ND |