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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

City of Levelland

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND90ND
2015ND30ND
2016ND30ND
2017ND40ND
2018ND20ND
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
2014-06-18Q1422263001ND
2014-06-18Q1422263005ND
2014-06-18Q1422263003ND
2014-07-02Q1425552010ND
2014-07-02Q1425552009ND
2014-09-23Q1446871001ND
2014-12-17Q1460346003ND
2014-12-17Q1460346001ND
2014-12-17Q1460346005ND
2015-03-25Q1511043001ND
2015-04-09Q1513274003ND
2015-07-16Q1527492002ND
2016-01-12Q1600879010ND
2016-01-12Q1600879007ND
2016-12-15Q1654679005ND
2017-01-10Q1701080007ND
2017-04-26Q1716967002ND
2017-06-15Q1725000002ND
2017-09-06Q1741585006ND
2018-04-04Q1813860007ND
2018-04-04Q1813860001ND
2019-01-08Q1900775001ND
2019-01-08Q1900775017ND
2019-12-03Q1978629004ND