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EWG's Tap Water Database — 2019 UPDATE

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Chloromethane

Eden Prairie

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
2012ND60ND
2013ND10ND
2014ND30ND
2015N/A00N/A
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
2012-03-1212C0380-01ND
2012-03-1212C0380-02ND
2012-03-1212C0380-03ND
2012-03-1212C0380-04ND
2012-03-1212C0381-01ND
2012-05-0912E0874-01ND
2013-09-2313I1214-01ND
2014-04-152002574003ND
2014-05-2314E2784-01ND
2014-10-062032951003ND
2016-05-043442193ND
2016-12-1416L0582-01ND
2017-02-2217B1178-01ND