Know Your Environment. Protect Your Health.

Chloromethane

New Britain Water Department

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
2014ND10ND
2015ND30ND
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
2023ND10ND

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
2014-11-13200407983ND
2015-02-24200412629ND
2015-05-21200417249ND
2015-08-18200422986ND
2018-06-20VOC1 200497534ND
2019-06-12VOC1 200535995ND
2020-06-11VOC1 200578892ND
2021-06-16VOC1 200621205ND
2022-06-28V300204043 300204050ND
2023-06-15V300366771 300366773ND