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EWG's Tap Water Database — 2019 UPDATE

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Chloromethane

NJ American Water - Atlantic County

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.

 

24

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
2013N/A00N/A
2014ND240ND
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
2014-01-1424539901ND
2014-01-1424540001ND
2014-01-1424543801ND
2014-01-1424539801ND
2014-01-1524540201ND
2014-01-1524543901ND
2014-01-1524540401ND
2014-01-1524540101ND
2014-01-2924540301ND
2014-07-0126171601ND
2014-07-0126177101ND
2014-07-0126171801ND
2014-07-0726171301ND
2014-07-0726171201ND
2014-07-0826177001ND
2014-07-0826176901ND
2014-07-0826171901ND
2014-07-0926170601ND
2014-07-0926176801ND
2014-07-0926171401ND
2014-07-1526172101ND
2014-07-1526170701ND
2014-07-1626171501ND
2014-08-0526170801ND