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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Alamogordo Domestic 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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND50ND
2014ND110ND
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
2013-10-2435113604001AMND
2013-10-2435113605001AMND
2013-10-2435113613001AMND
2013-10-2435113603005AMND
2013-10-2435113603001AMND
2014-01-1635123115001AMND
2014-01-1635123107001AMND
2014-01-1635123117001AMND
2014-04-1735134706001AMND
2014-04-1735134697001AMND
2014-04-1735134695001AMND
2014-04-1735134705001AMND
2014-04-1735134703001AMND
2014-07-2335147383001AMND
2014-07-2335147384001AMND
2014-07-2835148037001AMND