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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Savannah - Main

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.

MORE ABOUT THIS CONTAMINANT

 

54

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND320ND
2015N/A00N/A
2016N/A00N/A
2017ND220ND
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
2014-01-2735124105003AMND
2014-01-2735124105011AMND
2014-01-2735124105001AMND
2014-01-2735124105009AMND
2014-01-2735124105007AMND
2014-07-08AI45130ND
2014-07-08AI45127ND
2014-07-08AI45129ND
2014-07-08AI45128ND
2014-07-08AI45118ND
2014-07-08AI45119ND
2014-07-08AI45120ND
2014-07-08AI45121ND
2014-07-08AI45122ND
2014-07-08AI45123ND
2014-07-08AI45124ND
2014-07-08AI45125ND
2014-07-08AI45126ND
2014-07-08AI45131ND
2014-07-08AI45132ND
2014-07-08AI45133ND
2014-07-08AI45134ND
2014-07-08AI45135ND
2014-07-08AI45136ND
2014-07-08AI45137ND
2014-07-08AI45138ND
2014-07-08AI45139ND
2014-07-0935145505007AMND
2014-07-0935145505005AMND
2014-07-0935145505010AMND
2014-07-0935145505001AMND
2014-07-0935145505003AMND
2017-08-02AJ62789ND
2017-08-03AJ62792ND
2017-08-03AJ62791ND
2017-08-03AJ62790ND
2017-08-03AJ62788ND
2017-08-03AJ62785ND
2017-08-03AJ62784ND
2017-08-03AJ62783ND
2017-08-07AJ63052ND
2017-08-07AJ63043ND
2017-08-07AJ63044ND
2017-08-07AJ63045ND
2017-08-07AJ63046ND
2017-08-07AJ63047ND
2017-08-07AJ63048ND
2017-08-07AJ63049ND
2017-08-07AJ63053ND
2017-08-07AJ63054ND
2017-08-07AJ63055ND
2017-08-09AJ63547ND
2017-08-09AJ63546ND
2017-08-09AJ63545ND