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EWG's Tap Water Database

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Chloromethane

Talbotton

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
2010ND60ND
2011ND70ND
2012ND40ND
2013ND40ND
2014ND40ND
2015ND10ND

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 2.69 ppb

The 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
2010-03-31AG85828ND
2010-03-31AG85827ND
2010-03-31AG85826ND
2010-03-31AG85825ND
2010-08-23AG99408ND
2010-11-02AH09825ND
2011-03-28AH26179ND
2011-03-28AH26180ND
2011-03-28AH26181ND
2011-03-28AH26182ND
2011-06-07AH31367ND
2011-08-16AH37704ND
2011-11-08AH46040ND
2012-02-21AH53739ND
2012-05-01AH57821ND
2012-07-26AH71440ND
2012-11-19AH84329ND
2013-02-14AH89214ND
2013-05-09AI01068ND
2013-07-29AI07670ND
2013-11-04AI22051ND
2014-01-23AI27097ND
2014-05-05AI39581ND
2014-07-24AI46661ND
2014-11-06AI59253ND
2015-02-19AI65257ND