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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Pawling Village

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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND70ND
2016N/A00N/A
2017N/A00N/A
2018ND80ND
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
2014-04-18BG34657PND
2014-04-21BG35032PND
2014-04-24BG36872PND
2014-04-25BG37432PND
2015-12-17BK41006ND
2015-12-17BK41005ND
2015-12-17BK41008ND
2015-12-17BK41004ND
2015-12-17BK41007ND
2015-12-21GBK42438ND
2015-12-21BK42438ND
2018-12-07CC10277ND
2018-12-07CC10278ND
2018-12-07CC10280ND
2018-12-07CC10275ND
2018-12-07CC10279ND
2018-12-07CC10276ND
2018-12-13CC13917ND
2018-12-21CC19624ND