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EWG's Tap Water Database

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Chloromethane

Carthage

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010ND20ND
2011N/A00N/A
2012N/A00N/A
2013ND60ND
2014N/A00N/A
2015N/A00N/A

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 2.69 ppb

The 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
2010-01-18AB12284ND
2010-01-18AB12285ND
2013-01-15AB90038ND
2013-01-15AB90039ND
2013-03-183586865001AMND
2013-03-183586865003AMND
2013-10-1435112089001AMND
2013-10-1435112089003AMND