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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Prattville

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

 

71

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND390ND
2015N/A00N/A
2016ND120ND
2017ND80ND
2018ND30ND
2019ND90ND

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
2014-01-15L678402-1ND
2014-01-15L678402-2ND
2014-01-15L678402-6ND
2014-01-15L678402-5ND
2014-01-15L678402-3ND
2014-03-12L687817-4ND
2014-03-12L687817-5ND
2014-03-12L687817-3ND
2014-03-12L687817-9ND
2014-03-12L687817-7ND
2014-03-12L687817-8ND
2014-03-12L687817-2ND
2014-03-12L687817-6ND
2014-03-12L687817-1ND
2014-06-243052205ND
2014-06-243052138ND
2014-06-243052192ND
2014-06-243052322ND
2014-06-243052120ND
2014-06-243052077ND
2014-06-253052958ND
2014-06-253052967ND
2014-06-253052925ND
2014-06-253052836ND
2014-06-253052874ND
2014-06-253052828ND
2014-09-293117470ND
2014-12-163157386ND
2014-12-163157140ND
2014-12-163157349ND
2014-12-163157281ND
2014-12-163157259ND
2014-12-163156907ND
2014-12-183159419ND
2014-12-183159397ND
2014-12-183159436ND
2014-12-183159288ND
2014-12-183159406ND
2014-12-183159248ND
2016-02-16L818290-2ND
2016-02-16L818290-1ND
2016-02-16L818290-3ND
2016-04-19L830655-3ND
2016-04-19L830655-1ND
2016-04-19L830655-4ND
2016-10-25L868465-1ND
2016-10-25L868465-2ND
2016-10-25L868465-4ND
2016-10-25L868465-3ND
2016-10-25L868465-7ND
2016-10-25L868465-8ND
2017-01-10L883156-4ND
2017-01-10L883156-3ND
2017-01-10L883156-1ND
2017-06-05L914632-1ND
2017-06-05L914632-2ND
2017-06-05L914632-7ND
2017-09-25L939079-3ND
2017-09-25L939079-1ND
2018-01-30L966687-1ND
2018-01-30L966687-5ND
2018-01-30L966687-4ND
2019-02-11L1069382-04ND
2019-02-11L1069382-01ND
2019-02-11L1069382-03ND
2019-04-23L1092279-04ND
2019-04-23L1092279-01ND
2019-04-23L1092279-03ND
2019-05-21L1101481-01ND
2019-07-23L1121987-01ND
2019-10-08L1148209-01ND