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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

City of Bogalusa 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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND220ND
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
2014-04-2135134976013AMND
2014-04-2135134976001AMND
2014-04-2135134976005AMND
2014-04-2135134976017AMND
2014-04-2135134976019AMND
2014-04-2135134976009AMND
2014-10-2035160206013AMND
2014-10-2035160206009AMND
2014-10-2035160206021AMND
2014-10-2035160206017AMND
2014-10-2035160206005AMND
2014-10-2035160206001AMND
2014-11-05AD99250ND
2014-11-05AD99251ND
2014-11-05AD99252ND
2014-11-05AD99253ND
2014-11-05AD99249ND
2014-11-05AD99249ND
2014-11-05AD99253ND
2014-11-05AD99252ND
2014-11-05AD99251ND
2014-11-05AD99250ND