Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Chloromethane

City of Cleburne

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

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND90ND
2015ND150ND
2016ND70ND
2017ND80ND
2018ND70ND
2019ND20ND

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
2014-02-20Q1405678003ND
2014-06-10Q1420248003ND
2014-07-08Q1426109007ND
2014-07-08Q1426109003ND
2014-07-08Q1426109001ND
2014-07-08Q1426109005ND
2014-07-23Q1430514013ND
2014-07-23Q1430514009ND
2014-10-22Q1453404001ND
2015-01-21Q1501655005ND
2015-01-21Q1501655007ND
2015-01-21Q1501655003ND
2015-01-21Q1501655009ND
2015-01-21Q1501655001ND
2015-01-28Q1503313029ND
2015-01-28Q1503313026ND
2015-01-28Q1503313024ND
2015-01-28Q1503313023ND
2015-01-28Q1503313037ND
2015-01-28Q1503313021ND
2015-04-01Q1511922001ND
2015-04-22Q1515060011ND
2015-08-04Q1530229002ND
2015-08-04Q1530229004ND
2016-01-19Q1602147005ND
2016-04-11Q1614379002ND
2016-08-02Q1631847001ND
2016-11-14Q1649063007ND
2016-11-14Q1649063006ND
2016-11-14Q1649063003ND
2016-11-14Q1649063002ND
2017-01-26Q1703681006ND
2017-04-18Q1715803002ND
2017-05-24Q1721423010ND
2017-07-18Q1729510006ND
2017-07-18Q1729510007ND
2017-10-11Q1752040013ND
2017-10-11Q1752040026ND
2017-10-11Q1752040024ND
2018-01-11Q1801664004ND
2018-01-11Q1801664002ND
2018-04-10Q1814945011ND
2018-04-10Q1814945024ND
2018-04-10Q1814945010ND
2018-04-10Q1814945017ND
2018-07-25Q1829605002ND
2019-01-29Q1904159012ND
2019-01-29Q1904159020ND