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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Sanford Water District

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND160ND
2014N/A00N/A
2015N/A00N/A
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
2013-02-262785500ND
2013-02-262785522ND
2013-02-272786187ND
2013-02-272786156ND
2013-02-272786196ND
2013-02-272786178ND
2013-02-272786169ND
2013-02-272786138ND
2013-08-062872151ND
2013-08-062872176ND
2013-08-072873054ND
2013-08-072873010ND
2013-08-072873001ND
2013-08-072872992ND
2013-08-072873019ND
2013-08-072872983ND