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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Kress 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

 

31

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND50ND
2016ND50ND
2017ND50ND
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
2014-02-18Q1405059009ND
2014-02-18Q1405059006ND
2014-03-31Q1410063001ND
2014-04-24Q1413165006ND
2014-08-07Q1434597001ND
2014-11-12Q1455719002ND
2015-03-18Q1510073012ND
2015-03-18Q1510073010ND
2015-06-09Q1521104003ND
2015-09-30Q1538513001ND
2015-11-19Q1546119002ND
2016-02-17Q1607066001ND
2016-02-17Q1607066009ND
2016-05-04Q1617546002ND
2016-09-26Q1639970002ND
2016-10-19Q1644600001ND
2017-01-19Q1702736001ND
2017-04-10Q1714726002ND
2017-07-13Q1728904002ND
2017-07-13Q1728904005ND
2017-11-14Q1758297001ND
2018-01-18Q1802138001ND
2018-05-17Q1820299003ND
2018-05-17Q1820299002ND
2018-08-01Q1830568001ND
2018-10-09Q1840125001ND
2019-01-24Q1903571003ND
2019-04-09Q1914247003ND
2019-04-09Q1914247002ND
2019-07-09Q1942724002ND
2019-10-29Q1974402001ND