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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Villa Rica

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
2013ND40ND
2014ND10ND
2015ND10ND
2016ND10ND
2017ND10ND
2018ND10ND
2019ND10ND

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
2013-02-20706304-8189ND
2013-05-01717228-8768ND
2013-08-22739702-9592ND
2013-11-20759868-10330ND
2014-03-26AI36727ND
2015-02-11AI64722ND
2016-02-11AJ06333ND
2017-04-04AJ50515ND
2018-02-06AJ83056ND
2019-02-28AK12248ND