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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Cordele

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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND110ND
2015ND40ND
2016ND30ND
2017ND60ND
2018ND10ND
2019ND10ND

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
2014-06-1735142509001AMND
2014-06-1735142509005AMND
2014-09-22AI54970ND
2014-09-22AI54969ND
2014-09-22AI54968ND
2014-09-22AI54967ND
2014-09-22AI54966ND
2014-09-22AI54965ND
2014-10-14AI57482ND
2014-12-0835167016001AMND
2014-12-0835167016003AMND
2015-01-12AI62684ND
2015-04-06AI74200ND
2015-07-13AI82815ND
2015-10-13AI92751ND
2016-01-11AJ04133ND
2016-04-25AJ10763ND
2016-07-12AJ17367ND
2017-04-24AJ53819ND
2017-04-24AJ53818ND
2017-04-24AJ53817ND
2017-04-24AJ53816ND
2017-04-24AJ53815ND
2017-04-24AJ53814ND
2018-03-05AJ85010ND
2019-03-12AK13142ND