Know Your Environment. Protect Your Health.

Chloromethane

Owatonna

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND30ND
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019N/A00N/A
2020ND20ND
2021ND60ND
2022N/A00N/A
2023N/A00N/A

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
2014-08-192024851006ND
2014-08-192024851009ND
2014-08-192024851003ND
2015-02-172055172003ND
2015-02-172055172009ND
2015-02-172055172006ND
2018-07-0918G0145-01ND
2020-08-2720H2229-01ND
2020-12-0320L0184-01ND
2021-02-1721B0924-01ND
2021-04-2721D1546-02ND
2021-04-2721D1546-03ND
2021-04-2721D1546-04ND
2021-04-2721D1546-05ND
2021-04-2721D1546-07ND