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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Americus

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015N/A00N/A
2016ND20ND
2017N/A00N/A
2018N/A00N/A
2019ND20ND

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
2014-01-28AI27247ND
2014-01-28AI27248ND
2014-06-11201406120553AMND
2014-06-17201406180429AMND
2014-12-10201412110642AMND
2014-12-18201412180349AMND
2016-10-25AJ32157ND
2016-10-25AJ32158ND
2019-07-30AK23845ND
2019-07-30AK23846ND