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EWG's Tap Water Database

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Chloromethane

Boh-nak Mobile Home Park

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
2010N/A00N/A
2011ND10ND
2012ND10ND
2013ND10ND
2014ND40ND
2015ND10ND

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
2011-12-070220218_02_0031860ND
2012-04-040220218_02_0052260ND
2013-10-170220218_02_0204800ND
2014-03-060220218_02_0039560ND
2014-06-190220218_02_0550300ND
2014-08-140220218_02_0065600ND
2014-10-210220218_02_0014990ND
2015-02-120220218_02_0025310ND