Know Your Environment. Protect Your Health.

Chloromethane

Riverbridge

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.

 

41

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND160ND
2020ND50ND
2021ND50ND
2022ND50ND
2023ND50ND

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
2018-12-19ND
2018-12-19ND
2018-12-19ND
2018-12-19ND
2018-12-19ND
2019-01-10ND
2019-01-10ND
2019-01-10ND
2019-01-10ND
2019-02-25ND
2019-02-26ND
2019-02-26ND
2019-02-26ND
2019-02-26ND
2019-04-05ND
2019-04-05ND
2019-04-05ND
2019-04-05ND
2019-04-05ND
2019-08-22ND
2019-10-22ND
2020-05-26ND
2020-05-26ND
2020-05-26ND
2020-05-26ND
2020-05-26ND
2021-06-02ND
2021-06-02ND
2021-06-02ND
2021-06-02ND
2021-06-02ND
2022-04-22ND
2022-04-22ND
2022-04-22ND
2022-04-22ND
2022-04-22ND
2023-04-05ND
2023-04-05ND
2023-04-05ND
2023-04-05ND
2023-04-05ND