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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Birmingham Water Works 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.

MORE ABOUT THIS CONTAMINANT

 

112

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND160ND
2014ND160ND
2015ND140ND
2016ND200ND
20170.0357 ppb141ND - 0.500 ppb
2018ND160ND
2019ND160ND

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
2013-02-132779712ND
2013-02-132779723ND
2013-02-132779479ND
2013-02-132779701ND
2013-05-152826424ND
2013-05-152826398ND
2013-05-152826387ND
2013-05-152826439ND
2013-08-132876694ND
2013-08-132876171ND
2013-08-132876782ND
2013-08-132876675ND
2013-11-122929625ND
2013-11-122929614ND
2013-11-122929603ND
2013-11-122929156ND
2014-02-1073802102014-3VND
2014-02-1073802102014-2VND
2014-02-1073802102014-1VND
2014-02-1073802102014-4VND
2014-06-12738-061214-VOC-3ND
2014-06-12738-061214-VOC-2ND
2014-06-12738-061214-VOC-1ND
2014-06-12738-061214-VOC-4ND
2014-08-1173808112014-29ND
2014-08-1173808112014-28ND
2014-08-1173808112014-27ND
2014-08-1173808112014-30ND
2014-11-10738-111014-VOC-3ND
2014-11-10738-111014-VOC-2ND
2014-11-10738-111014-VOC-1ND
2014-11-10738-111014-VOC-4ND
2015-02-0973802102015-13ND
2015-02-0973802102015-15ND
2015-02-0973802102015-16ND
2015-02-0973802102015-14ND
2015-05-1173805112015-1VND
2015-05-1173805112015-3VND
2015-05-1173805112015-4VND
2015-05-1173805112015-2VND
2015-08-1073808102015-29ND
2015-08-1073808102015-28ND
2015-11-0973811092015-32ND
2015-11-0973811092015-33ND
2015-11-0973811092015-34ND
2015-11-0973811092015-35ND
2016-02-08738-020816-VOC-1ND
2016-02-08738-020816-VOC-3ND
2016-02-08738-020816-VOC-4ND
2016-02-08738-020816-VOC-2ND
2016-05-0973805092016-28ND
2016-05-0973805092016-30ND
2016-05-0973805092016-31ND
2016-05-09738-050916-VOC-4ND
2016-05-09738-050916-VOC-1ND
2016-05-09738-050916-VOC-3ND
2016-05-0973805092016-29ND
2016-05-09738-050916-VOC-2ND
2016-08-0873808082016-2ND
2016-08-0873808082016-3ND
2016-08-0873808082016-1ND
2016-08-0873808082016-4ND
2016-11-30738-113016-VOC-1ND
2016-11-3073811302016-2VND
2016-11-3073811302016-1VND
2016-11-30738-113016-VOC-2ND
2017-02-28738-022817-VOC-3ND
2017-02-28738-022817-VOC-1ND
2017-02-28738-022817-VOC-4ND
2017-02-28738-022817-VOC-2ND
2017-05-0873805082017-1V0.500 ppb
2017-05-0873805082017-2VND
2017-08-30738-083017-VOC-2ND
2017-08-30738-083017-VOC-1ND
2017-08-30738-083017-VOC-3ND
2017-08-30738-083017-VOC-4ND
2017-11-2773811272017-4ND
2017-11-2773811272017-2ND
2017-11-2773811272017-3ND
2017-11-2773811272017-1ND
2018-02-12738-1802-VOC-2ND
2018-02-12738-1802-VOC-4ND
2018-02-12738-1802-VOC-1ND
2018-02-12738-1802-VOC-3ND
2018-05-14738-051418-VOC-4ND
2018-05-14738-051418-VOC-1ND
2018-05-14738-051418-VOC-3ND
2018-05-14738-051418-VOC-2ND
2018-08-132018080912-020ND
2018-08-132018080912-021ND
2018-08-132018080912-022ND
2018-08-132018080912-019ND
2018-11-132018110910-020ND
2018-11-132018110910-021ND
2018-11-132018110910-022ND
2018-11-132018110910-019ND
2019-02-112019020411-021ND
2019-02-112019020411-022ND
2019-02-112019020411-023ND
2019-02-112019020411-020ND
2019-05-132019050811-020ND
2019-05-132019050811-023ND
2019-05-132019050811-021ND
2019-05-132019050811-022ND
2019-08-122019080710-023ND
2019-08-122019080710-020ND
2019-08-122019080710-022ND
2019-08-122019080710-021ND
2019-11-122019110610-020ND
2019-11-122019110610-023ND
2019-11-122019110610-022ND
2019-11-122019110610-021ND