Know Your Environment. Protect Your Health.

Chloromethane

Modern Electric Water Company

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND70ND
2015ND70ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022ND60ND
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
2014-05-30140530047-002ND
2014-05-30140530047-001ND
2014-10-13141016009-005ND
2014-10-13141016009-004ND
2014-10-13141016009-001ND
2014-10-13141016009-003ND
2014-10-13141016009-002ND
2015-01-12150113002-002ND
2015-01-12150113002-001ND
2015-09-14150915035-002ND
2015-09-14150915035-003ND
2015-09-14150915035-001ND
2015-09-14150915035-005ND
2015-09-14150915035-004ND
2022-07-074308711ND
2022-07-074308710ND
2022-07-074308713ND
2022-07-074308708ND
2022-07-074308707ND
2022-07-074308706ND
2023-02-274424744ND
2023-04-124442859ND