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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Texarkana Water Utilities

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND10ND
2014ND40ND
2015ND10ND
2016ND10ND
2017ND10ND
2018ND10ND
2019ND10ND

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
2013-11-13O133180046ND
2014-02-12O140440081ND
2014-05-14O141350086ND
2014-08-13O142260026ND
2014-10-0614282005401ND
2015-10-0515281002101ND
2016-11-0916314002701ND
2017-10-0317278002701ND
2018-10-0318277005509ND
2019-10-0119276002401ND