Know Your Environment. Protect Your Health.

Chloromethane

City Of Waterford

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND40ND
2019N/A00N/A
2020N/A00N/A
2021ND40ND
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-07-18CA5010006_001_001-201807181240ND
2018-07-18CA5010006_005_005-201807181045ND
2018-07-18CA5010006_004_004-201807181140ND
2018-07-18CA5010006_006_006-201807181313ND
2021-07-20CA5010006_005_005-202107201110ND
2021-07-20CA5010006_001_001-202107201250ND
2021-07-20CA5010006_004_004-202107201140ND
2021-07-20CA5010006_006_006-202107201315ND