Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Chloromethane

City of Santa Fe 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.

 

15

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
2015ND150ND
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
2015-03-24201503250472AMND
2015-03-24201503250434AMND
2015-03-24201503250431AMND
2015-03-24201503250469AMND
2015-03-24201503250499AMND
2015-03-24201503250509AMND
2015-03-25201503260763AMND
2015-07-20201507080086AMND
2015-09-28201508240259AMND
2015-09-28201508240258AMND
2015-09-29201508240121AMND
2015-10-01201510020380AMND
2015-10-01201510020393AMND
2015-10-01201510020384AMND
2015-10-01201510020376AMND