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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

City of Chandler

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

 

58

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND580ND
2015N/A00N/A
2016N/A00N/A
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
2014-02-05201402050171AMND
2014-02-05201402050165AMND
2014-02-05201402050167AMND
2014-02-05201402050163AMND
2014-02-05201402050169AMND
2014-02-06201402060575AMND
2014-02-06201402060573AMND
2014-02-06201402060569AMND
2014-02-10201402100062AMND
2014-02-10201402100064AMND
2014-02-10201402100066AMND
2014-02-10201402100060AMND
2014-02-10201402100058AMND
2014-02-11201402110263AMND
2014-02-11201402110267AMND
2014-02-11201402110253AMND
2014-02-11201402110265AMND
2014-02-13201402130310AMND
2014-02-13201402130308AMND
2014-02-13201402130304AMND
2014-02-13201402130306AMND
2014-02-20201402200405AMND
2014-02-20201402200403AMND
2014-02-25201402250318AMND
2014-03-11201403110371AMND
2014-05-14201405140565AMND
2014-05-14201405140563AMND
2014-05-14201405140561AMND
2014-05-19201405190041AMND
2014-08-05201408060509AMND
2014-08-05201408060511AMND
2014-08-05201408060492AMND
2014-08-05201408060513AMND
2014-08-05201408060490AMND
2014-08-05201408060507AMND
2014-08-05201408060488AMND
2014-08-06201408060537AMND
2014-08-06201408060539AMND
2014-08-06201408060533AMND
2014-08-06201408060535AMND
2014-08-07201408070422AMND
2014-08-07201408070430AMND
2014-08-07201408070434AMND
2014-08-07201408070428AMND
2014-08-07201408070426AMND
2014-08-07201408070424AMND
2014-08-07201408070432AMND
2014-08-07201408070420AMND
2014-08-11201408110085AMND
2014-08-11201408110087AMND
2014-08-12201408120456AMND
2014-08-12201408120460AMND
2014-08-12201408120458AMND
2014-08-12201408120462AMND
2014-11-06201411070162AMND
2014-11-06201411070164AMND
2014-11-06201411070172AMND
2014-11-06201411070160AMND