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EWG's Tap Water Database — 2019 UPDATE

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Chloromethane

Milledgeville

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
20130.0600 ppb101ND - 0.600 ppb
2014ND20ND
2015ND20ND
2016ND20ND
2017ND20ND

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
2013-02-072776171ND
2013-02-072776160ND
2013-03-05AH90111ND
2013-03-05AH901100.600 ppb
2013-05-072820706ND
2013-05-082821654ND
2013-08-192880166ND
2013-08-192880482ND
2013-11-192933909ND
2013-12-042940241ND
2014-02-24AI28462ND
2014-02-24AI28461ND
2015-02-05AI64299ND
2015-02-05AI64298ND
2016-01-27AJ05052ND
2016-01-27AJ05051ND
2017-02-20AJ46669ND
2017-02-20AJ46668ND