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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Millville 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.

MORE ABOUT THIS CONTAMINANT

 

77

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND200ND
2015ND210ND
2016ND40ND
2017N/A00N/A
2018ND160ND
2019ND160ND

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
2014-03-04L4524760-2ND
2014-03-04L4524760-1ND
2014-03-04L4524760-3ND
2014-05-21L4982861-2ND
2014-05-21L4982861-3ND
2014-05-21L4982861-1ND
2014-06-04L3797724-1ND
2014-08-13L5111388-1ND
2014-08-13L5111388-2ND
2014-08-13L5111388-3ND
2014-08-13L5111388-5ND
2014-08-13L5111388-4ND
2014-09-16818972-12339ND
2014-09-16818974-12339ND
2014-09-16818968-12339ND
2014-09-16818976-12392ND
2014-09-30822498-12487ND
2014-11-18L5246821-3ND
2014-11-18L5246821-1ND
2014-11-18L5246821-2ND
2015-02-25L5467018-1ND
2015-02-25L5467018-2ND
2015-02-25L5467018-3ND
2015-02-25L5467018-4ND
2015-03-19849638-13692ND
2015-03-19849636-13692ND
2015-03-19849634-13692ND
2015-03-19849632-13686ND
2015-03-19849640-13692ND
2015-05-13L5496750-1ND
2015-05-13L5496750-4ND
2015-05-13L5496750-2ND
2015-05-13L5496750-3ND
2015-08-12L5651051-4ND
2015-08-12L5651051-7ND
2015-08-12L5651051-6ND
2015-08-12L5651051-1ND
2015-11-11L5363756-7ND
2015-11-11L5363756-4ND
2015-11-11L5363756-6ND
2015-11-11L5363756-5ND
2016-02-03L5965792-6ND
2016-02-03L5965792-5ND
2016-02-03L5965792-4ND
2016-02-03L5965792-7ND
2018-03-08380309026ND
2018-03-08380309024ND
2018-03-08380309027ND
2018-03-08380309025ND
2018-05-16380516090ND
2018-05-16380516092ND
2018-05-16380516091ND
2018-05-16380516093ND
2018-08-22380822702ND
2018-08-22380822704ND
2018-08-22380822703ND
2018-08-22380822705ND
2018-11-14381114707ND
2018-11-14381114708ND
2018-11-14381114705ND
2018-11-14381114706ND
2019-02-21390221709ND
2019-02-21390221706ND
2019-02-21390221708ND
2019-02-21390221707ND
2019-05-09390509715ND
2019-05-09390509712ND
2019-05-09390509714ND
2019-05-09390509713ND
2019-08-28390828704ND
2019-08-28390828705ND
2019-08-28390828706ND
2019-08-28390828707.1ND
2019-11-21391121774ND
2019-11-21391121773ND
2019-11-21391121772ND
2019-11-21391121775ND