Know Your Environment. Protect Your Health.

Chloromethane

Erwin Utilities

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.

 

29

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND80ND
2016N/A00N/A
2017N/A00N/A
2018ND40ND
2019ND40ND
2020ND20ND
2021ND50ND
2022ND20ND
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 Result
2014-10-22ND
2014-10-22ND
2014-10-22ND
2014-10-22ND
2015-01-22ND
2015-01-22ND
2015-04-23ND
2015-04-23ND
2015-04-23ND
2015-04-23ND
2015-07-23ND
2015-07-23ND
2018-02-22ND
2018-06-13ND
2018-08-02ND
2018-10-23ND
2019-03-12ND
2019-05-08ND
2019-08-13ND
2019-12-12ND
2020-02-11ND
2020-02-11ND
2021-02-10ND
2021-06-29ND
2021-06-29ND
2021-11-08ND
2021-11-08ND
2022-02-15ND
2022-05-11ND