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EWG's Tap Water Database — 2019 UPDATE

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Chloromethane

City of Aiken

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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND100ND
2014ND50ND
2015ND20ND
2016ND40ND
2017ND10ND

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
2012-04-04AD05439ND
2013-04-24AD22837ND
2013-06-04201306060126AMND
2013-06-04201306060143AMND
2013-06-04201306060147AMND
2013-06-04201306060136AMND
2013-09-03201309050200AMND
2013-12-04201312060148AMND
2013-12-04201312060136AMND
2013-12-04201312060145AMND
2013-12-04201312060138AMND
2014-03-03201403060245AMND
2014-05-21AD40209ND
2014-05-21AD40200ND
2014-05-21AD40198ND
2014-05-21AD40196ND
2015-05-20AD55699ND
2015-11-09AD65512ND
2016-02-24AD71247ND
2016-05-04AD75324ND
2016-05-04AD75337ND
2016-09-27AD83033ND
2017-07-18AD97583ND