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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Brigantine Water Department

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND60ND
2014ND50ND
2015ND30ND
2016ND30ND
2017N/A00N/A
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
2013-06-24727343-9211ND
2013-06-24727347-9211ND
2013-06-26728303-9220ND
2013-12-09762094-10411ND
2013-12-09762090-10411ND
2013-12-09762092-10411ND
2014-02-19L4948126-1ND
2014-02-19L4948126-2ND
2014-04-25L5025660-3ND
2014-04-25L5025660-1ND
2014-04-25L5025660-2ND
2015-04-22L5549824-2ND
2015-04-22L5549824-1ND
2015-04-22L5549824-3ND
2016-04-20L6191021-3ND
2016-04-20L6191021-2ND
2016-04-20L6191021-1ND