Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Chloromethane

Sturgis

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND10ND
2014ND60ND
2015ND60ND
2016N/A00N/A
2017N/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
2013-09-04LLE91779ND
2014-07-08LLF26467ND
2014-07-08LLF26468ND
2014-07-08LLF26469ND
2014-09-18LLF40060ND
2014-09-18LLF40061ND
2014-09-23LLF40059ND
2015-02-173188866ND
2015-02-173188875ND
2015-02-173188845ND
2015-08-133300684ND
2015-08-133300630ND
2015-08-133300653ND