Know Your Environment. Protect Your Health.

Chloromethane

Meridian Water Department

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.

 

39

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND360ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND20ND
2019ND10ND
2020N/A00N/A
2021N/A00N/A
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
2014-03-041403136-001END
2014-03-041403135-001END
2014-03-041403133-001END
2014-03-041403154-001END
2014-03-041403137-001END
2014-03-041403134-001END
2014-03-041403132-001END
2014-03-051403159-001END
2014-03-051403155-001END
2014-03-051403158-001END
2014-03-051403156-001END
2014-03-051403160-001END
2014-03-051403157-001END
2014-03-061403211-001END
2014-03-061403213-001END
2014-03-061403214-001END
2014-03-061403212-001END
2014-04-081404324-001END
2014-09-031409115-001END
2014-09-031409119-001END
2014-09-031409118-001END
2014-09-031409116-001END
2014-09-031409117-001END
2014-09-031409114-001END
2014-09-041409163-001END
2014-09-041409164-001END
2014-09-081409268-001END
2014-09-081409267-001END
2014-09-081409266-001END
2014-09-081409269-001END
2014-09-081409265-001END
2014-09-091409318-001END
2014-09-091409319-001END
2014-09-091409316-001END
2014-09-091409317-001END
2014-09-091409315-001END
2018-11-26201811270591ND
2018-11-26201811270593ND
2019-06-03201907080762ND