Know Your Environment. Protect Your Health.

Chloromethane

City of Hale 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.

 

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
2020ND20ND
2021ND20ND
2022ND20ND
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
2018-05-03Q1817997001ND
2018-05-03Q1817997003ND
2019-06-26Q1940104003ND
2019-06-26Q1940104005ND
2020-07-23Q2028981009ND
2020-07-23Q2028981011ND
2021-07-20Q2118929002ND
2021-07-20Q2118929004ND
2022-05-05Q2213651001ND
2022-05-05Q2213651010ND
2023-06-08Q2321643002ND