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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Fair Lawn 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.

 

59

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND140ND
2014ND180ND
2015ND120ND
2016ND100ND
2017ND20ND
2018N/A00N/A
2019ND30ND

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
2013-01-29703126-7996ND
2013-01-29703130-7996ND
2013-01-29703128-7996ND
2013-05-28721814-9006ND
2013-05-28721812-9006ND
2013-05-28721808-9006ND
2013-07-30734226-9407ND
2013-07-30734212-9407ND
2013-07-30734230-9407ND
2013-08-27740419-9597ND
2013-08-27740417-9592ND
2013-11-26760653-10340ND
2013-11-26760681-10340ND
2013-11-26760657-10340ND
2014-01-2825229-3ND
2014-01-2825229-7ND
2014-01-2825229-8ND
2014-01-2825229-6ND
2014-02-25772123-10816ND
2014-02-25772095-10816ND
2014-04-2226373-3ND
2014-04-2226373-7ND
2014-04-2226373-8ND
2014-04-2226373-6ND
2014-07-2227949-7ND
2014-07-2227949-8ND
2014-07-2227949-6ND
2014-07-2227949-3ND
2014-10-2729621-7ND
2014-10-2729621-3ND
2014-10-2729621-8ND
2014-10-2729621-6ND
2015-01-2030858-3ND
2015-01-2030858-8ND
2015-01-2030858-6ND
2015-04-28DWS327-8ND
2015-04-28DWS327-3ND
2015-04-28DWS327-6ND
2015-07-28DWSC97-8ND
2015-07-28DWSC97-6ND
2015-07-28DWSC97-3ND
2015-10-27DWSC678-3ND
2015-10-27DWSC678-6ND
2015-10-27DWSC678-8ND
2016-01-26DWSC1060-2ND
2016-01-26DWSC1060-4ND
2016-01-26DWSC1060-6ND
2016-04-26DWSC1469-8ND
2016-04-26DWSC1469-6ND
2016-04-26DWSC1469-3ND
2016-07-26DWSC1873-5ND
2016-07-26DWSC1873-3ND
2016-10-25DWSC2297-5ND
2016-10-25DWSC2297-3ND
2017-01-24DWSC2640-5ND
2017-01-24DWSC2640-3ND
2019-04-2319042401-01ND
2019-07-3019080103-001ND
2019-11-0519110626-001ND