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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Brookwood Comm. Water System

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

 

40

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0128 ppb401ND - 0.510 ppb
2015N/A00N/A
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
2014-02-05201402060270AMND
2014-02-05201402060255AMND
2014-02-05201402060239AMND
2014-02-05201402060232AMND
2014-02-05201402060422AMND
2014-02-06201402070207AMND
2014-02-06201402070241AMND
2014-02-06201402070213AMND
2014-02-06201402070205AMND
2014-02-24201402250219AMND
2014-02-24201402250329AMND
2014-02-24201402250230AMND
2014-02-24201402250338AMND
2014-02-24201402250217AMND
2014-02-24201402250336AMND
2014-02-24201402250194AMND
2014-02-24201402250190AMND
2014-02-25201402260616AMND
2014-02-25201402260692AMND
2014-02-25201402260636AMND
2014-08-12201408130473AMND
2014-08-12201408130653AMND
2014-08-12201408130303AMND
2014-08-12201408130463AMND
2014-08-14201408150255AMND
2014-08-14201408150324AMND
2014-08-14201408150398AMND
2014-08-14201408150202AMND
2014-08-18201408190671AMND
2014-08-18201408190655AMND
2014-08-18201408190536AMND
2014-08-18201408190691AMND
2014-08-18201408190657AMND
2014-08-18201408190661AMND
2014-08-26201408270815AMND
2014-08-26201408270818AMND
2014-08-26201408270830AM0.510 ppb
2014-08-26201408270834AMND
2014-08-27201408280801AMND
2014-08-27201408280737AMND