Know Your Environment. Protect Your Health.

Chloromethane

Domestic Water Company Royal Forest 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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND30ND
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
2018-05-09AE25753ND
2018-05-09AE25755ND
2019-03-04AE56877ND
2019-03-04AE56881ND
2020-02-20AE99297ND
2020-02-20AE99313ND
2020-05-26AF12600ND
2021-06-11AF57836ND
2021-12-22AF79282ND
2022-04-12AF92919ND
2022-04-12AF92923ND
2023-08-16AG52846ND
2023-08-16AG52856ND