Know Your Environment. Protect Your Health.

Chloromethane

Camden Wyoming Sewer and Water Authority

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND30ND
2021ND10ND
2022ND20ND
2023ND40ND

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
2018-03-23S792284ND
2018-06-22S792509ND
2019-07-25S848599ND
2019-10-29S925121ND
2020-07-16S969532ND
2020-12-07S990216ND
2020-12-07S990220ND
2021-12-09S1159216ND
2022-09-09S1216925ND
2022-11-18S1243001ND
2023-09-05S1287716ND
2023-11-09S1313281ND
2023-11-09S1313284ND
2023-11-09S1313288ND