Know Your Environment. Protect Your Health.

Chloromethane

Lomira Waterworks

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND60ND
2020ND20ND
2021ND20ND
2022ND20ND
2023N/A00N/A

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

Date Lab ID Result
2018-03-121044517ND
2018-03-121044519ND
2018-04-171050450ND
2018-08-061071729ND
2018-12-101097116ND
2019-03-121109088ND
2019-03-121109086ND
2019-06-031124568ND
2019-07-231136304ND
2019-07-231136305ND
2019-10-161155641ND
2020-07-141199585ND
2020-07-141199589ND
2021-07-261267994ND
2021-07-261267993ND
2022-09-061334570ND
2022-09-061334573ND