Know Your Environment. Protect Your Health.

Chloromethane

Coon Rapids

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND20ND
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019N/A00N/A
2020ND80ND
2021ND10ND
2022N/A00N/A
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
2014-01-281069391003ND
2014-01-281069391006ND
2014-07-152018295012ND
2014-07-152018295006ND
2014-07-152018295003ND
2014-07-152018295009ND
2015-06-032074918008ND
2015-06-032074918005ND
2018-09-1218I0556-01ND
2020-06-2320F1889-03ND
2020-08-2020H1633-04ND
2020-08-2020H1633-03ND
2020-08-2020H1633-02ND
2020-08-2020H1633-01ND
2020-08-2020H1631-01ND
2020-08-2020H1626-04ND
2020-08-2020H1626-03ND
2021-12-1721L0752-01ND
2023-04-1123D0521-01ND
2023-08-1123H1564-04ND
2023-08-1123H1564-07ND
2023-08-1123H1564-08ND