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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Avion Water Company - Avion

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND60ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2014-09-17201409180696AMND
2014-09-18201409190324AMND
2014-09-18201409190397AMND
2014-09-18201409190370AMND
2014-09-18201409190394AMND
2014-09-22201409230173AMND
2015-03-12201503140142AMND
2015-03-18201503190382AMND
2015-03-24201503250484AMND
2015-03-25201503260746AMND
2015-05-20201505040212AMND
2015-07-30201507160160AMND