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EWG's Tap Water Database — 2019 UPDATE

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Chloromethane

Bladen County Water Dist-West Bladen

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014N/A00N/A
20150.0250 ppb121ND - 0.300 ppb
2016N/A00N/A
2017N/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
2015-03-173208267ND
2015-03-1732082470.300 ppb
2015-03-173208379ND
2015-03-173208326ND
2015-03-173208466ND
2015-03-173208534ND
2015-09-153322915ND
2015-09-153322209ND
2015-09-153322932ND
2015-09-153322960ND
2015-09-153322888ND
2015-09-153322860ND