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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Sedalia

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND110ND
2014ND50ND
2015ND10ND
2016N/A00N/A
2017ND50ND
2018N/A00N/A
2019N/A00N/A

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
2013-04-093589508003AMND
2013-04-093589508005AMND
2013-04-093589508009AMND
2013-04-093589508001AMND
2013-04-093589508007AMND
2013-06-243598179001AMND
2013-09-1635108673005AMND
2013-09-1635108673001AMND
2013-09-1635108673003AMND
2013-09-1635108673007AMND
2013-12-1635119998001AMND
2014-01-07AC17568ND
2014-01-07AC17572ND
2014-01-07AC17571ND
2014-01-07AC17570ND
2014-01-07AC17569ND
2015-01-27AC41307ND
2017-01-17AC89779ND
2017-01-17AC89780ND
2017-01-17AC89781ND
2017-01-17AC89782ND
2017-01-17AC89778ND