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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Amarillo Municipal Water System

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

 

41

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND100ND
2016ND70ND
2017ND50ND
2018ND60ND
2019ND50ND

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
2014-05-21Q1417423015ND
2014-05-21Q1417171002ND
2014-05-21Q1417171003ND
2014-05-21Q1417423019ND
2014-07-16Q1428590009ND
2014-07-16Q1428590005ND
2014-07-16Q1428590013ND
2014-07-16Q1428590001ND
2015-01-27Q1502863009ND
2015-01-27Q1502863001ND
2015-01-27Q1502863005ND
2015-01-27Q1502863013ND
2015-02-25Q1507408002ND
2015-04-28Q1515583008ND
2015-04-28Q1515583006ND
2015-04-28Q1515583004ND
2015-04-28Q1515583002ND
2015-11-17Q1545289010ND
2016-02-22Q1607546011ND
2016-02-22Q1607546008ND
2016-04-19Q1615677005ND
2016-04-19Q1615677004ND
2016-04-19Q1615677002ND
2016-09-27Q1640717020ND
2016-09-27Q1640717006ND
2017-02-07Q1705187004ND
2017-02-07Q1705187002ND
2017-05-02Q1717903003ND
2017-05-02Q1717903002ND
2017-09-05Q1741028006ND
2018-02-13Q1805778003ND
2018-02-13Q1805778002ND
2018-05-15Q1819741006ND
2018-08-20Q1833080002ND
2018-08-20Q1833080011ND
2018-11-14Q1845954011ND
2019-01-24Q1903570004ND
2019-05-02Q1918377002ND
2019-07-10Q1943223012ND
2019-08-14Q1955365001ND
2019-10-09Q1972085001ND