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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Hoosick Falls

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
2014ND30ND
2015ND30ND
2016ND30ND
2017ND30ND
2018ND40ND
2019ND30ND

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
2014-06-09JH1403685ND
2014-06-09JH1403686ND
2014-06-09JH1403687ND
2015-04-13JH1502115ND
2015-04-13JH1502114ND
2015-04-13JH1502113ND
2016-04-21JH1602857ND
2016-04-21JH1602856ND
2016-09-22JH1608260ND
2017-06-20JH1704144ND
2017-06-20JH170412ND
2017-06-20JH1704143ND
2018-04-16JH1802409ND
2018-04-16JH1802408ND
2018-05-29JH1803578-POCND
2018-05-29JH1803577ND
2019-12-09JH1908732ND
2019-12-09JH1908733-VOCND
2019-12-09JH1908734ND