Know Your Environment. Protect Your Health.

Chloromethane

Aquarion Water Company of Connecticut - Stamford

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND60ND
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND20ND
2023ND20ND

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
2014-12-03201412040318AMND
2014-12-03201412040252AMND
2015-03-02201503030264AMND
2015-03-02201503030430AMND
2015-06-01201506020356AMND
2015-06-01201506020352AMND
2015-09-08201509090336AMND
2015-09-08201509090316AMND
2018-01-02201800021-VOC1ND
2019-01-07201900234-VOC1ND
2020-01-06202000154-VOC1ND
2021-01-04202100057-VOC1ND
2022-01-03202200073-VOC1ND
2022-07-18202212142-VOC1ND
2023-01-03202300189-VOC1ND
2023-08-07202313851-VOC1ND