Chloromethane
Essex Fells Water Department
NOTE: Essex Fells Water Department purchases water from NJ American Water - Short Hills which is required to test for chloromethane. Sample information shown below was taken by NJ American Water - Short Hills.
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 | 11 | 0 | ND |
| 2019 | ND | 14 | 0 | ND |
| 2020 | ND | 12 | 0 | ND |
| 2021 | ND | 9 | 0 | ND |
| 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
NOTE: Essex Fells Water Department purchases water from NJ American Water - Short Hills which is required to test for chloromethane. Sample information shown below was taken by NJ American Water - Short Hills.
| Date | Lab ID | Result |
|---|---|---|
| 2015-01-06 | 27836101 | ND |
| 2015-01-06 | 27836601 | ND |
| 2015-01-07 | 27836401 | ND |
| 2015-01-07 | 27836901 | ND |
| 2015-01-12 | 27837501 | ND |
| 2015-01-13 | 27836301 | ND |
| 2015-01-13 | 27837701 | ND |
| 2015-01-14 | 27837101 | ND |
| 2015-04-14 | 28518701 | ND |
| 2015-05-12 | 29018501 | ND |
| 2015-07-08 | 29696301 | ND |
| 2015-07-15 | 29696801 | ND |
| 2015-07-20 | 29696501 | ND |
| 2015-07-20 | 29697501 | ND |
| 2015-07-26 | 29697301 | ND |
| 2015-07-27 | 29697101 | ND |
| 2015-07-28 | 29698201 | ND |
| 2015-07-29 | 29696601 | ND |
| 2015-10-14 | 30486201 | ND |
| 2015-11-02 | 30697401 | ND |