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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Plainview 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

 

67

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND270ND
2015ND90ND
2016ND80ND
2017ND90ND
2018ND60ND
2019ND80ND

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
2014-01-14Q1400667010ND
2014-01-14Q1400667007ND
2014-01-14Q1400667009ND
2014-01-14Q1400667013ND
2014-01-15Q1400995003ND
2014-01-15Q1400995005ND
2014-01-15Q1400995008ND
2014-01-15Q1400995010ND
2014-02-26Q1406213009ND
2014-02-26Q1406213003ND
2014-02-26Q1406213005ND
2014-02-26Q1406213001ND
2014-02-26Q1406213011ND
2014-02-26Q1406213015ND
2014-02-26Q1406213013ND
2014-02-26Q1406213007ND
2014-05-28Q1418203001ND
2014-06-26Q1424207003ND
2014-09-03Q1440763001ND
2014-09-03Q1440763011ND
2014-09-03Q1440763007ND
2014-09-03Q1440763009ND
2014-09-03Q1440763005ND
2014-09-03Q1440763015ND
2014-09-03Q1440763003ND
2014-09-03Q1440763013ND
2014-11-12Q1455654001ND
2015-01-21Q1501905002ND
2015-06-30Q1524666001ND
2015-10-26Q1542022010ND
2015-10-26Q1542022017ND
2015-10-26Q1542022016ND
2015-10-26Q1542022013ND
2015-10-26Q1542022012ND
2015-10-26Q1542022007ND
2015-10-26Q1542022006ND
2016-01-19Q1602114008ND
2016-01-19Q1602114005ND
2016-06-15Q1624367002ND
2016-12-01Q1652259015ND
2016-12-01Q1652259012ND
2016-12-01Q1652259014ND
2016-12-01Q1652259009ND
2016-12-01Q1652259017ND
2017-02-07Q1705153003ND
2017-02-07Q1705153001ND
2017-02-07Q1705153015ND
2017-08-30Q1740337019ND
2017-08-30Q1740337024ND
2017-08-30Q1740337018ND
2017-08-30Q1740337027ND
2017-08-30Q1740337028ND
2017-08-30Q1740337002ND
2018-03-13Q1810167013ND
2018-05-02Q1817844001ND
2018-05-02Q1817843019ND
2018-05-02Q1817843007ND
2018-05-02Q1817843009ND
2018-05-02Q1817843018ND
2019-01-10Q1901546007ND
2019-04-11Q1914701002ND
2019-07-16Q1945209002ND
2019-07-16Q1945209012ND
2019-07-16Q1945209010ND
2019-07-16Q1945209008ND
2019-07-16Q1945209006ND
2019-07-16Q1945209004ND