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EWG's Tap Water Database — 2019 UPDATE

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Chloromethane

City of Beeville

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND10ND
2014ND30ND
2015ND20ND
2016ND40ND
2017ND10ND

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
2012-09-101209223001ND
2013-09-04AC29190ND
2014-04-22Q1412614001ND
2014-07-28AC61118ND
2014-10-27Q1453937001ND
2015-01-26Q1502593001ND
2015-07-09AC98994ND
2016-03-07AD27256ND
2016-04-06AD32107ND
2016-07-14AD44307ND
2016-10-11AD52995ND
2017-01-10AD64016ND