Know Your Environment. Protect Your Health.

Chloromethane

Minnetonka

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.

 

27

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND80ND
2014ND10ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND20ND
2019N/A00N/A
2020ND50ND
2021ND60ND
2022ND10ND
2023ND40ND

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
2013-04-291024374006ND
2013-04-291024374009ND
2013-04-291024374015ND
2013-04-291024374012ND
2013-04-291024374003ND
2013-10-301056180007ND
2013-10-301056180016ND
2013-12-181064210001ND
2014-05-282009398001ND
2018-07-2318G1394-03ND
2018-07-2318G1394-02ND
2020-07-3020G2379-01ND
2020-07-3020G2379-02ND
2020-07-3020G2379-03ND
2020-07-3020G2382-04ND
2020-11-1620K0636-01ND
2021-03-1521C0676-01ND
2021-05-2821E2075-01ND
2021-08-0421H0235-01ND
2021-08-0421H0235-02ND
2021-08-0421H0239-01ND
2021-08-0421H0235-03ND
2022-01-2722A1019-01ND
2023-11-0123K0089-01ND
2023-11-0123K0087-05ND
2023-11-0123K0087-04ND
2023-11-0123K0087-02ND