Know Your Environment. Protect Your Health.

Chloromethane

Waverly, City of

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
2018ND10ND
2019ND30ND
2020ND20ND
2021ND10ND
2022ND30ND
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
2018-08-30568520ND
2019-05-13612101ND
2019-05-13612102ND
2019-08-28628427ND
2020-05-18667026ND
2020-08-24689891ND
2021-08-23753783ND
2022-04-25793097ND
2022-04-25793096ND
2022-08-29816160ND
2023-06-20856223ND
2023-08-28880243ND