Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Chloromethane

Aqua Ohio Inc. - Mentor

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND10ND
2014ND20ND
2015ND40ND
2016ND10ND
2017ND10ND

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
2012-01-23AD36754ND
2013-03-12AD83473ND
2014-03-04AE26233ND
2014-11-04201411050482AMND
2015-02-03201502040562AMND
2015-02-10AE65618ND
2015-05-04201505050281AMND
2015-08-04201508050374AMND
2016-02-02AF06944ND
2017-01-17AF41182ND