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EWG's Tap Water Database — 2019 UPDATE

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Chloromethane

Lubbock Public 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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013ND50ND
2014ND20ND
2015ND110ND
2016ND30ND
2017ND30ND

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
2013-01-161301430004ND
2013-06-11Q1302096011ND
2013-07-09Q1303566005ND
2013-08-06Q1304984007ND
2013-12-10Q1317110006ND
2014-01-22Q1401929002ND
2014-02-12Q1404338003ND
2015-01-28201501290319AMND
2015-01-28201501290329AMND
2015-01-28201501290293AMND
2015-02-03Q1504173001ND
2015-02-11Q1505820001ND
2015-04-07Q1513290006ND
2015-04-14201504150427AMND
2015-07-07201507080445AMND
2015-07-07201507080447AMND
2015-07-07201507080451AMND
2015-10-22201510230392AMND
2016-02-03Q1604716004ND
2016-02-03Q1604716011ND
2016-04-06Q1613543001ND
2017-02-08Q1705565007ND
2017-08-10Q1734366011ND
2017-09-27Q1746701005ND