Know Your Environment. Protect Your Health.

Chloromethane

Ringwood Water Department

NOTE: Ringwood Water Department purchases water from Passaic Valley Water Commission which is required to test for chloromethane. Sample information shown below was taken by Passaic Valley Water Commission.

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.

 

4

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND100ND
2014ND20ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND30ND
2019N/A00N/A
2020N/A00N/A
2021ND30ND
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

NOTE: Ringwood Water Department purchases water from Passaic Valley Water Commission which is required to test for chloromethane. Sample information shown below was taken by Passaic Valley Water Commission.

Date Lab ID Result
2013-07-17201307180604AMND
2013-10-08201310090267AMND
2014-01-07201401080432AMND
2014-04-09201404100758AMND