Know Your Environment. Protect Your Health.

Chloromethane

Rayburn Country Municipal Utility District

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
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
2018-06-12AE29516ND
2018-06-12AE29518ND
2019-02-19AE54862ND
2019-02-19AE54890ND
2020-07-23AF20476ND
2020-07-23AF20478ND
2021-01-13AF39180ND
2021-01-13AF39182ND
2022-03-29AF90979ND
2022-03-29AF90983ND
2023-02-16AG29341ND
2023-02-16AG29343ND