Chloromethane
Barton Dade Cedar & Jasper Counties Consolidated Public Water Supply 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.
15
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 13 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2019-05-20 | AD47669 | ND |
| 2019-05-20 | AD47670 | ND |
| 2019-05-20 | AD47671 | ND |
| 2019-05-20 | AD47672 | ND |
| 2019-05-20 | AD47673 | ND |
| 2019-05-20 | AD47674 | ND |
| 2019-05-20 | AD47675 | ND |
| 2019-05-20 | AD47676 | ND |
| 2019-05-20 | AD47677 | ND |
| 2019-07-15 | AD53004 | ND |
| 2019-07-15 | AD53005 | ND |
| 2019-10-21 | AD57423 | ND |
| 2019-10-21 | AD57424 | ND |
| 2020-01-20 | AD60734 | ND |
| 2020-01-20 | AD60735 | ND |