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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Anniston Water and Sewer Board

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.

 

29

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND130ND
2015ND40ND
2016ND40ND
2017ND50ND
2018ND20ND
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
2014-02-06201402080090AMND
2014-02-06201402080088AMND
2014-03-20AC64271ND
2014-05-07AC69322ND
2014-05-19M1405016879-01ND
2014-05-20201405220637AMND
2014-05-20201405220624AMND
2014-08-07AC78719ND
2014-08-19201408200547AMND
2014-08-19201408200560AMND
2014-10-16AC86385ND
2014-11-06201411070408AMND
2014-11-06201411070528AMND
2015-01-08AC95217ND
2015-04-09AD04592ND
2015-07-16AD15095ND
2015-10-07AD23931ND
2016-01-271601110-1ND
2016-04-141604785-1ND
2016-07-141608975-1VND
2016-10-061612748-1ND
2017-02-091701907-1ND
2017-02-231702643-1ND
2017-04-271705818-1ND
2017-07-061709340-1ND
2017-10-051714012-1ND
2018-03-081803230-1ND
2018-07-121809294-1ND
2019-07-25L1122213-01ND