Know Your Environment. Protect Your Health.

Chloromethane

Riverwalk 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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND30ND
2021ND30ND
2022ND30ND
2023ND30ND

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
2018-01-22AE09589ND
2018-01-22AE09591ND
2018-01-22AE09581ND
2019-11-25AE90392ND
2019-11-25AE90394ND
2019-11-25AE90408ND
2020-09-03AF26500ND
2020-09-03AF26502ND
2020-09-03AF26506ND
2021-07-26AF63303ND
2021-07-26AF63347ND
2021-07-26AF63345ND
2022-08-24AG10787ND
2022-08-24AG10791ND
2022-08-24AG10799ND
2023-08-03AG51336ND
2023-08-03AG51354ND
2023-08-03AG51356ND