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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

City of Great Bend

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.

 

27

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
2015ND200ND
2016N/A00N/A
2017ND70ND
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
2015-01-2135172665005AMND
2015-01-2135172665007AMND
2015-01-2135172665001AMND
2015-01-2135172665003AMND
2015-01-2635173019009AMND
2015-01-2635173019011AMND
2015-01-2635173019003AMND
2015-01-2635173019005AMND
2015-01-2635173019007AMND
2015-01-2635173019001AMND
2015-07-2035198603005AMND
2015-07-2035198603003AMND
2015-07-2035198603001AMND
2015-07-2035198603007AMND
2015-07-2135198936001AMND
2015-07-2135198936011AMND
2015-07-2135198936007AMND
2015-07-2135198936005AMND
2015-07-2135198936003AMND
2015-07-2135198936009AMND
2017-11-27883265_PACEND
2017-11-27883303_PACEND
2017-11-27883300_PACEND
2017-11-27883299_PACEND
2017-11-27883269_PACEND
2017-11-27883267_PACEND
2017-11-27883266_PACEND