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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Kipling Oaks and Timbergreen

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND20ND
2016ND30ND
2017ND20ND
2018ND20ND
2019ND20ND

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
2015-07-14AC99389ND
2015-07-14AC99413ND
2016-04-14AD33224ND
2016-04-14AD33214ND
2016-09-15AD49760ND
2017-02-07AD69266ND
2017-02-07AD69274ND
2018-03-21AE19304ND
2018-03-21AE19300ND
2019-04-25AE63718ND
2019-04-25AE63710ND