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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Country Village Mobile Home Estates

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND10ND
2017ND50ND
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
2014-05-06Q1414702004ND
2015-04-08Q1513081001ND
2016-01-13Q1601453002ND
2017-01-17Q1701998014ND
2017-01-17Q1701998012ND
2017-06-08Q1724257007ND
2017-07-25Q1730595001ND
2017-12-04Q1762060002ND
2018-04-30Q1817200003ND
2018-04-30Q1817200005ND
2019-06-19Q1937815003ND
2019-06-19Q1937815005ND