Know Your Environment. Protect Your Health.

Chloromethane

Town North Village Water System

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND10ND
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
2018-05-09Q1819091005ND
2018-05-09Q1819091013ND
2019-06-05Q1932448005ND
2019-06-05Q1932448007ND
2020-03-19Q2012064001ND
2021-06-03Q2114439003ND
2021-08-10Q2121174005ND
2022-01-31Q2203435003ND
2022-01-31Q2203435005ND
2023-02-22Q2307453004ND
2023-02-22Q2307453007ND