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EWG's Tap Water Database — 2019 UPDATE

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Chloromethane

Charlotte Water

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.

 

20

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
2013ND50ND
2014ND150ND
2015N/A00N/A
2016N/A00N/A
2017N/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
2013-10-3035114055005AMND
2013-10-3035114055003AMND
2013-10-3035114055009AMND
2013-10-3035114055007AMND
2013-10-3035114055001AMND
2014-01-3035124487013AMND
2014-01-3035124487001AMND
2014-01-3035124487011AMND
2014-01-3035124487007AMND
2014-01-3035124487003AMND
2014-04-2935136065001AMND
2014-04-2935136065005AMND
2014-04-2935136065011AMND
2014-04-2935136065003AMND
2014-04-2935136065007AMND
2014-07-3035148391001AMND
2014-07-3035148391007AMND
2014-07-3035148391005AMND
2014-07-3035148391009AMND
2014-07-3035148391002AMND