Know Your Environment. Protect Your Health.

Chloromethane

Hills of Oliver Creek

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
2023ND20ND

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
2018-11-08Q1844781006ND
2018-11-08Q1844781015ND
2019-05-21Q1927167003ND
2019-05-21Q1927167005ND
2020-11-18Q2045747001ND
2020-11-18Q2045747003ND
2021-06-29Q2116976008ND
2021-06-29Q2116976010ND
2022-11-15Q2234334002ND
2022-11-15Q2234334004ND
2023-07-20Q2328722004ND
2023-07-20Q2328722006ND