Know Your Environment. Protect Your Health.

Chloromethane

Aquarion Water Company of Connecticut - Noroton 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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019N/A00N/A
2020ND10ND
2021N/A00N/A
2022N/A00N/A
2023N/A00N/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
2014-07-15201407160543AMND
2014-07-15201407160486AMND
2014-10-14201410150090AMND
2014-10-14201410150096AMND
2015-01-14201501150515AMND
2015-01-14201501150658AMND
2015-04-01201504020187AMND
2015-04-01201504020167AMND
2018-01-23201801047-VOC1ND
2020-11-16202018946-VOC1ND