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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Savannah-Georgetown/Gateway

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

 

44

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND120ND
2015ND80ND
2016ND20ND
2017ND60ND
2018ND80ND
2019ND80ND

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
2014-01-14AI26595ND
2014-01-14AI26594ND
2014-01-14AI26593ND
2014-01-14AI26592ND
2014-01-14AI26591ND
2014-01-14AI26590ND
2014-04-14AI37980ND
2014-04-14AI37979ND
2014-07-07AI44931ND
2014-07-07AI44930ND
2014-10-07AI56922ND
2014-10-07AI56921ND
2015-01-13AI62822ND
2015-01-13AI62821ND
2015-04-06AI74147ND
2015-04-06AI74146ND
2015-07-07AI81971ND
2015-07-07AI81970ND
2015-10-12AI92614ND
2015-10-12AI92613ND
2016-01-28AJ05284ND
2016-01-28AJ05285ND
2017-04-04AJ52615ND
2017-04-04AJ52614ND
2017-04-04AJ52613ND
2017-04-04AJ52612ND
2017-04-04AJ52611ND
2017-04-04AJ52610ND
2018-01-25AJ77939ND
2018-01-25AJ77938ND
2018-04-23AJ87891ND
2018-04-23AJ87890ND
2018-07-10AJ93610ND
2018-07-10AJ93609ND
2018-10-10AK03860ND
2018-10-10AK03859ND
2019-01-07AK08932ND
2019-01-07AK08931ND
2019-01-07AK08930ND
2019-01-07AK08929ND
2019-04-10AK15000ND
2019-04-10AK14999ND
2019-07-22AK23051ND
2019-10-08AK34548ND