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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

West Gate Estates Mobile Hms

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND50ND
2016ND40ND
2017ND20ND
2018ND20ND
2019ND10ND

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
2014-12-08834625ND
2015-03-31851185ND
2015-06-24867722ND
2015-07-22872508ND
2015-09-03880778ND
2015-11-02892142ND
2016-02-22906101ND
2016-05-26923023ND
2016-09-30950701ND
2016-12-07965062ND
2017-03-30980501ND
2017-06-281001005ND
2018-07-251069606ND
2018-07-251069609ND
2019-09-261151535ND