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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Lindale Rural WSC

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND50ND
2016ND30ND
2017ND30ND
2018ND30ND
2019ND30ND

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
2015-05-05Q1516411004ND
2015-05-05Q1516411001ND
2015-05-05Q1516411016ND
2015-09-10Q1535263002ND
2015-10-20Q1541118005ND
2016-02-02Q1604493006ND
2016-02-02Q1604493002ND
2016-02-02Q1604493004ND
2017-08-31Q1740459005ND
2017-08-31Q1740459004ND
2017-08-31Q1740459002ND
2018-04-26Q1817005008ND
2018-04-26Q1817005010ND
2018-04-26Q1817005002ND
2019-08-20Q1956940001ND
2019-08-20Q1956940005ND
2019-08-20Q1956940003ND