Know Your Environment. Protect Your Health.

Chloromethane

Smithville

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019N/A00N/A
2020N/A00N/A
2021ND40ND
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
2018-05-15AJ89544ND
2018-05-15AJ89545ND
2021-11-11AK90633ND
2021-11-11AK90634ND
2021-12-08AK92237ND
2021-12-08AK92238ND
2022-05-02AL00129ND
2022-05-02AL00130ND
2023-03-07AL26835ND
2023-03-07AL26836ND