Know Your Environment. Protect Your Health.

Chloromethane

Crowley II Acre Subdivision

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
2018N/A00N/A
2019ND20ND
2020ND20ND
2021ND20ND
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
2019-05-29Q1930464002ND
2019-05-29Q1930464004ND
2020-10-26Q2041544001ND
2020-10-26Q2041544003ND
2021-12-13Q2134978003ND
2021-12-13Q2134978005ND
2022-11-30Q2235596002ND
2022-11-30Q2235596004ND
2023-03-13Q2309636002ND
2023-03-13Q2309636007ND