Know Your Environment. Protect Your Health.

Chloromethane

City of Charlotte

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
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
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
2018-05-04AE25365ND
2018-06-11AE29260ND
2019-03-11AE57827ND
2019-03-11AE57855ND
2020-05-08AF10399ND
2020-05-08AF10407ND
2021-03-10AF46320ND
2021-09-20AF70453ND
2022-09-08AG12139ND
2022-09-08AG12143ND
2023-08-17AG53042ND
2023-08-17AG53044ND