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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Deptford Twp MUA

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

 

34

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND160ND
2015ND100ND
2016ND10ND
2017ND70ND
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
2014-06-09L4982762-1ND
2014-06-09L4982762-2ND
2014-06-09L4982746-1ND
2014-06-09L4982763-1ND
2014-06-09L4982762-3ND
2014-06-09L4982762-4ND
2014-06-09L4982762-5ND
2014-08-18201408190689AMND
2014-08-18201408190703AMND
2014-08-18201408190695AMND
2014-08-18201408190669AMND
2014-08-18201408190697AMND
2014-08-18201408190677AMND
2014-08-18201408190673AMND
2014-08-18201408190566AMND
2014-11-24201411250451AMND
2015-02-23201502250872AMND
2015-02-23201502250857AMND
2015-02-23201502250418AMND
2015-02-23201502250879AMND
2015-02-24201502250891AMND
2015-02-24201502250503AMND
2015-02-24201502250618AMND
2015-02-24201502250924AMND
2015-05-21201505220112AMND
2015-12-29L5496663-1ND
2016-06-21L6124868-1ND
2017-06-22L6718064-1ND
2017-06-22L6718064-5ND
2017-06-22L6718064-2ND
2017-06-22L6718071-1ND
2017-06-22L6718066-1ND
2017-06-22L6718064-3ND
2017-06-22L6718064-4ND