Know Your Environment. Protect Your Health.

Chloromethane

Crestwood Water Company

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
2018-06-20Q1824599002ND
2018-06-20Q1824599009ND
2019-02-26Q1908261007ND
2019-02-26Q1908261010ND
2020-05-12Q2018385001ND
2020-05-12Q2018385003ND
2021-12-16Q2135712005ND
2021-12-16Q2135712007ND
2022-03-16Q2208881003ND
2022-11-22Q2235129001ND
2023-02-02Q2304156003ND
2023-02-02Q2304156005ND