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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Saint Louis Park

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.

 

61

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND120ND
2015ND90ND
2016ND160ND
2017ND130ND
2018ND50ND
2019ND60ND

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
2014-03-1914C0829-02ND
2014-03-1914C0829-01ND
2014-05-2914E3054-01ND
2014-05-2914E3054-02ND
2014-05-2914E3056-01ND
2014-08-2614H2350-01ND
2014-12-022043235006ND
2014-12-022043235015ND
2014-12-022043235012ND
2014-12-022043235009ND
2014-12-022043235003ND
2014-12-1714L0719-01ND
2015-03-3015C1168-01ND
2015-06-102076227003ND
2015-06-102076227015ND
2015-06-102076227012ND
2015-06-102076227009ND
2015-06-102076227006ND
2015-06-1015F0705-01ND
2015-09-2415I1305-01ND
2015-11-1915K1031-01ND
2016-01-1416A0522-01ND
2016-01-1416A0523-01ND
2016-01-1416A0523-02ND
2016-02-1716B0917-01ND
2016-02-1716B0917-02ND
2016-02-1716B0917-03ND
2016-02-1716B0917-04ND
2016-06-0116F0030-01ND
2016-06-0116F0032-01ND
2016-08-2516H2589-01ND
2016-08-2516H2593-01ND
2016-08-2516H2590-01ND
2016-11-0816K0369-01ND
2016-11-0816K0370-01ND
2016-12-0516L0214-01ND
2016-12-0516L0214-02ND
2017-01-0517A0039-01ND
2017-01-0517A0039-02ND
2017-01-0517A0040-01ND
2017-04-1117D0599-01ND
2017-08-0117H0064-01ND
2017-08-0117H0064-02ND
2017-08-0117H0064-03ND
2017-11-0117K0060-01ND
2017-11-0117K0062-02ND
2017-11-0117K0062-01ND
2017-11-0117K0061-01ND
2017-11-0117K0059-04ND
2017-11-0117K0059-01ND
2018-01-1918A0639-01ND
2018-04-1018D0389-01ND
2018-07-1218G0516-01ND
2018-07-1218G0518-01ND
2018-10-1718J0842-01ND
2019-02-1319B0557-01ND
2019-05-1619E1269-01ND
2019-05-1619E1270-01ND
2019-05-2119E1637-01ND
2019-08-0719H0616-01ND
2019-10-2919J1574-01ND