Know Your Environment. Protect Your Health.

Chloromethane

Stromsburg, 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
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
2018-07-30560164ND
2018-08-27568522ND
2019-07-16621250ND
2019-08-26628429ND
2020-08-10691486ND
2020-08-24689893ND
2021-07-26746032ND
2021-08-23753785ND
2022-08-18816162ND
2022-08-29809323ND
2023-07-25873479ND
2023-08-28880245ND