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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

City of Peoria

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.

MORE ABOUT THIS CONTAMINANT

 

28

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
2015ND280ND
2016N/A00N/A
2017N/A00N/A
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
2015-01-05201501050217AMND
2015-01-05201501050215AMND
2015-01-05201501050219AMND
2015-01-07201501070278AMND
2015-01-07201501070282AMND
2015-01-07201501070284AMND
2015-01-07201501070280AMND
2015-01-12201501120148AMND
2015-01-12201501120144AMND
2015-01-12201501120146AMND
2015-01-14201501140546AMND
2015-01-14201501140544AMND
2015-01-14201501140548AMND
2015-04-13201504130115AMND
2015-07-06201507060195AMND
2015-07-06201507060185AMND
2015-07-06201507060187AMND
2015-07-08201507080315AMND
2015-07-08201507080313AMND
2015-07-08201507080317AMND
2015-07-08201507080311AMND
2015-07-13201507130198AMND
2015-07-13201507130200AMND
2015-07-13201507130202AMND
2015-07-15201507150212AMND
2015-07-15201507150214AMND
2015-07-16201507160272AMND
2015-10-06201510060417AMND