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EWG's Tap Water Database — 2019 UPDATE

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Chloromethane

City of Wolfforth

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND10ND
2014ND10ND
2015ND20ND
2016ND20ND
2017ND10ND

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
2012-05-02AB88812ND
2013-01-311302025032ND
2014-03-26Q1409873005ND
2015-03-16Q1509516005ND
2015-03-16Q1509516008ND
2016-05-25Q1620718002ND
2016-05-25Q1620718003ND
2017-11-30Q1761852002ND