Chloromethane

Fort Eustis

NOTE: Fort Eustis purchases water from City of Newport News which is required to test for chloromethane. Sample information shown below was taken by City of Newport News.

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

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2013	ND	2	ND
2014	ND	2	ND
2015	N/A	0	N/A
2016	ND	2	ND
2017	ND	2	ND
2018	ND	2	ND
2019	ND	2	ND

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

NOTE: Fort Eustis purchases water from City of Newport News which is required to test for chloromethane. Sample information shown below was taken by City of Newport News.

Date	Lab ID	Result
2013-05-14	201305150175AM	ND
2013-05-14	201305150187AM	ND
2013-08-13	201308140379AM	ND
2013-08-13	201308140396AM	ND
2013-11-19	201311200641AM	ND
2013-11-19	201311200409AM	ND
2014-02-18	201402190231AM	ND
2014-02-18	201402190228AM	ND
2014-11-03	HMFW_110314V	ND
2014-12-01	LHFW_120114V	ND
2016-12-05	HMFW_120516V	ND
2016-12-06	LHFW_120616V	ND
2017-11-06	LHFW_110617V	ND
2017-11-06	HMFW_110617V	ND
2018-12-03	LHFW_120318V	ND
2018-12-03	HMFW_120318V	ND
2019-12-02	LHFW-033030	ND
2019-12-02	HMFW-033028	ND