Chloromethane
Aquarion Water Company of Connecticut - Main System
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.
46
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 |
|---|---|---|---|---|
| 2013 | ND | 8 | 0 | ND |
| 2014 | ND | 8 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 5 | 0 | ND |
| 2020 | ND | 5 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 5 | 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 |
|---|---|---|
| 2013-07-15 | 201307160452AM | ND |
| 2013-07-15 | 201307160480AM | ND |
| 2013-07-15 | 201307160499AM | ND |
| 2013-07-17 | 201307180789AM | ND |
| 2013-07-17 | 201307180551AM | ND |
| 2013-10-07 | 201310080165AM | ND |
| 2013-10-07 | 201310080207AM | ND |
| 2013-10-07 | 201310080217AM | ND |
| 2014-01-06 | 201401070102AM | ND |
| 2014-01-06 | 201401070142AM | ND |
| 2014-01-06 | 201401070140AM | ND |
| 2014-04-01 | 201404020545AM | ND |
| 2014-04-01 | 201404020551AM | ND |
| 2014-04-01 | 201404020493AM | ND |
| 2014-06-18 | 201406190250AM | ND |
| 2014-06-18 | 201406190248AM | ND |
| 2018-02-05 | 201801570-VOC1 | ND |
| 2018-02-05 | 201801604-VOC1 | ND |
| 2018-02-05 | 201801586-VOC1 | ND |
| 2018-07-05 | 201809662-VOC1 | ND |
| 2018-07-05 | 201809658-VOC1 | ND |
| 2019-02-04 | 201901554-VOC1 | ND |
| 2019-02-04 | 201901581-VOC1 | ND |
| 2019-02-04 | 201901613-VOC1 | ND |
| 2019-07-01 | 201909695-VOC1 | ND |
| 2019-07-01 | 201909693-VOC1 | ND |
| 2020-02-03 | 202001681-VOC1 | ND |
| 2020-02-03 | 202001624-VOC1 | ND |
| 2020-02-03 | 202001640-VOC1 | ND |
| 2020-07-07 | 202010259-VOC1 | ND |
| 2020-07-07 | 202010253-VOC1 | ND |
| 2021-02-02 | 202101448-VOC1 | ND |
| 2021-02-02 | 202101406-VOC1 | ND |
| 2021-02-02 | 202101394-VOC1 | ND |
| 2021-07-06 | 202110283-VOC1 | ND |
| 2021-07-06 | 202110289-VOC1 | ND |
| 2022-02-07 | 202202033-VOC1 | ND |
| 2022-02-07 | 202202022-VOC1 | ND |
| 2022-02-07 | 202202090-VOC1 | ND |
| 2022-07-05 | 202210989-VOC1 | ND |
| 2022-07-05 | 202210995-VOC1 | ND |
| 2023-02-06 | 202301775-VOC1 | ND |
| 2023-02-06 | 202301854-VOC1 | ND |
| 2023-02-09 | 202302139-VOC1 | ND |
| 2023-06-07 | 202309440-VOC1 | ND |
| 2023-06-07 | 202309441-VOC1 | ND |