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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

City of Bellmead

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

 

43

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND110ND
2015ND60ND
2016ND90ND
2017ND70ND
2018ND50ND
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
2014-04-16AC50854ND
2014-05-21Q1417035003ND
2014-05-21Q1417035001ND
2014-05-21Q1417035005ND
2014-05-21Q1417035007ND
2014-08-12AC63069ND
2014-08-12AC63081ND
2014-11-20Q1456839007ND
2014-11-20Q1456839001ND
2014-11-20Q1456839005ND
2014-11-20Q1456839003ND
2015-02-17AC80818ND
2015-02-17AC80814ND
2015-02-17AC80816ND
2015-02-17AC80820ND
2015-05-13AC91879ND
2015-05-13AC91875ND
2016-01-14AD18285ND
2016-01-14AD18277ND
2016-01-14AD18291ND
2016-04-11AD32584ND
2016-04-11AD32582ND
2016-07-13AD44124ND
2016-07-13AD44122ND
2016-10-11AD53183ND
2016-10-11AD53181ND
2017-02-06AD69198ND
2017-02-06AD69200ND
2017-02-06AD69204ND
2017-02-06AD69202ND
2017-04-04AD78566ND
2017-04-04AD78568ND
2017-04-04AD78564ND
2018-02-13AE13562ND
2018-02-13AE13560ND
2018-02-13AE13572ND
2018-02-13AE13558ND
2018-05-02AE24825ND
2019-05-21AE67380ND
2019-05-21AE67388ND
2019-05-21AE67392ND
2019-05-21AE67390ND
2019-06-10AE69720ND