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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

West Deptford Twp Water Department

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
2014ND130ND
2015ND90ND
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
2014-03-27L4900179-3ND
2014-03-27L4900179-4ND
2014-03-27L4900179-5ND
2014-03-27L4900179-6ND
2014-03-27L4900179-1ND
2014-03-27L4900179-2ND
2014-10-213126870ND
2014-10-213126879ND
2014-10-213126888ND
2014-10-213126901ND
2014-10-213126928ND
2014-10-213126963ND
2014-10-213126918ND
2015-01-143170538ND
2015-04-273232033ND
2015-04-273232046ND
2015-04-273232057ND
2015-04-273232078ND
2015-04-273232199ND
2015-04-273232019ND
2015-04-273232010ND
2015-07-143279438ND