Know Your Environment. Protect Your Health.

Chloromethane

City of Center

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
2018-04-30Q1817448004ND
2018-08-27Q1834372003ND
2019-05-15Q1925671003ND
2019-07-17Q1946117001ND
2020-03-10Q2009082002ND
2020-08-06Q2031207001ND
2021-06-01Q2114029001ND
2021-09-02Q2123959007ND
2022-03-08Q2207771009ND
2022-08-11Q2223337003ND
2023-02-08Q2304971002ND
2023-07-20Q2328770002ND