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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Stormlight Mobile Home Park

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND20ND
2016ND20ND
2017ND20ND
2018ND20ND
2019ND20ND

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
2015-06-11Q1521639008ND
2015-09-02Q1534386008ND
2016-03-01Q1608433001ND
2016-03-01Q1608433004ND
2017-05-18Q1720486001ND
2017-05-18Q1720486004ND
2018-06-19Q1824272009ND
2018-06-19Q1824272005ND
2019-03-14Q1910960007ND
2019-03-14Q1910960005ND