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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Merchantville Pennsauken

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.

MORE ABOUT THIS CONTAMINANT

 

61

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND170ND
2015ND90ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019ND350ND

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
2014-03-1014031564-003ND
2014-03-1014031564-004ND
2014-03-1014031564-001ND
2014-03-1014031564-002ND
2014-06-1314061879-002ND
2014-06-1314061879-003ND
2014-06-1314061879-004ND
2014-06-1314061879-001ND
2014-09-2414092463-002ND
2014-09-2414092463-004ND
2014-09-2414092463-003ND
2014-09-2414092463-001ND
2014-11-132040325013ND
2014-11-132040325004ND
2014-11-132040325010ND
2014-11-132040325018ND
2014-11-262042303001ND
2015-02-232056420003ND
2015-02-242056426001ND
2015-05-272073557018ND
2015-05-272073557012ND
2015-05-272073557009ND
2015-05-272073557015ND
2015-05-272073557001ND
2015-05-272073557004ND
2015-08-172089821003ND
2019-06-05390605791AAND
2019-06-05390605795AND
2019-06-05390605792AND
2019-06-05390605794AND
2019-06-05390605793AND
2019-07-03390703739ND
2019-07-03390703738ND
2019-07-03390703737ND
2019-07-03390703736ND
2019-07-03390703740ND
2019-08-07390807766ND
2019-08-07390807767ND
2019-08-07390807769ND
2019-08-07390807768ND
2019-08-07390807765ND
2019-09-04390904799ND
2019-09-04390904798ND
2019-09-04390904797ND
2019-09-04390904800ND
2019-09-04390904801ND
2019-10-02391002730ND
2019-10-02391002729ND
2019-10-02391002732ND
2019-10-02391002733ND
2019-10-02391002731ND
2019-11-07391107828ND
2019-11-07391107830ND
2019-11-07391107829ND
2019-11-07391107827ND
2019-11-07391107826ND
2019-12-04391204829ND
2019-12-04391204831ND
2019-12-04391204827ND
2019-12-04391204830ND
2019-12-04391204828ND