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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Shakopee

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.

 

46

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND150ND
2016ND130ND
2017N/A00N/A
2018ND90ND
2019ND40ND

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
2014-10-222036501006ND
2014-10-222036501009ND
2014-10-222036501012ND
2014-10-222036501003ND
2014-12-092044212001ND
2015-04-2115D1498-03ND
2015-04-212066442015ND
2015-04-212066442012ND
2015-04-212066442009ND
2015-04-212066442006ND
2015-04-212066442003ND
2015-04-2115D1498-04ND
2015-04-2115D1498-02ND
2015-04-2115D1498-01ND
2015-04-2115D1493-04ND
2015-04-2115D1493-03ND
2015-04-2115D1493-02ND
2015-04-2115D1493-01ND
2015-04-2115D1489-02ND
2015-04-2115D1489-01ND
2016-05-313460637ND
2016-05-313461140ND
2016-05-313461131ND
2016-05-313461109ND
2016-05-313461101ND
2016-05-313460717ND
2016-05-313460709ND
2016-05-313460677ND
2016-05-313460653ND
2016-05-313460545ND
2016-05-313460537ND
2016-05-313460701ND
2016-08-1616H1750-03ND
2018-06-2218F1696-01ND
2018-06-2218F1696-02ND
2018-09-2618I1546-04ND
2018-09-2618I1550-03ND
2018-09-2618I1550-02ND
2018-09-2618I1550-01ND
2018-09-2618I1548-02ND
2018-09-2818I1545-01ND
2018-12-1018L0357-01ND
2019-03-0819C0360-01ND
2019-05-0919E0750-02ND
2019-08-2819H2525-01ND
2019-08-2819H2525-02ND