Know Your Environment. Protect Your Health.

Chloromethane

Bloomington

NOTE: Bloomington purchases water from Minneapolis which is required to test for chloromethane. Sample information shown below was taken by Minneapolis.

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND30ND
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019ND10ND
2020ND10ND
2021ND20ND
2022ND20ND
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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

NOTE: Bloomington purchases water from Minneapolis which is required to test for chloromethane. Sample information shown below was taken by Minneapolis.

Date Lab ID Result
2015-02-032053068003ND
2015-05-052069020003ND
2015-08-032086831003ND
2018-05-0318E0324-01ND
2019-10-0919J0500-01ND
2020-03-1820C0794-01ND
2020-03-1820C0794-02ND
2020-05-2020E1211-01ND
2020-07-2420G1757-01ND
2020-10-2720J1367-01ND
2021-04-2021D1030-02ND
2021-10-2121J1097-01ND
2022-01-2622A0928-01ND
2022-02-0722B0406-01ND
2023-04-1323D0754-01ND
2023-04-1323D0754-02ND