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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Pleasant Prairie 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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND30ND
2016ND40ND
2017ND20ND
2018ND10ND
2019ND10ND

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
2015-09-15883256ND
2015-09-15883258ND
2015-12-01896005ND
2016-01-19901973ND
2016-04-05913994ND
2016-07-05931307ND
2016-10-04951705ND
2017-01-10969577ND
2017-09-121018187ND
2018-03-061043903ND
2019-05-091120320ND