Know Your Environment. Protect Your Health.

Chloromethane

Batts-lapile Water Association

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND10ND
20190.820 ppb110.820 ppb
2020ND10ND
2021ND10ND
2022ND10ND
20230.510 ppb110.510 ppb

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
2018-02-2718060003301ND
2019-02-18190520047010.820 ppb
2020-02-1120043000501ND
2021-01-2721028014901ND
2022-02-25O195715-VOC-1ND
2023-01-24O205618-VOC-10.510 ppb