Menu

EWG's Tap Water Database

Donate

Chloromethane

Cole County PWSD 1

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010N/A00N/A
2011N/A00N/A
2012ND60ND
2013ND60ND
2014ND60ND
2015ND60ND

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 2.69 ppb

The 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
2012-02-16AB66790ND
2012-02-16AB66791ND
2012-02-16AB66792ND
2012-02-16AB66794ND
2012-02-16AB66795ND
2012-03-26AB70043ND
2013-06-043595615011AMND
2013-06-043595615009AMND
2013-06-043595615007AMND
2013-06-043595615005AMND
2013-06-043595615003AMND
2013-06-043595615001AMND
2014-02-2535127874007AMND
2014-02-2535127874001AMND
2014-02-2535127874003AMND
2014-02-2535127874011AMND
2014-02-2535127874009AMND
2014-02-2535127874005AMND
2015-02-18AC42776ND
2015-02-18AC42775ND
2015-02-18AC42778ND
2015-02-18AC42779ND
2015-02-18AC42780ND
2015-02-18AC42777ND