Know Your Environment. Protect Your Health.

Chloromethane

Crawfordville Water System

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

Date Lab ID Result
2018-05-24AJ90171ND
2019-05-16AK17725ND
2019-05-16AK17726ND
2019-05-16AK17727ND
2020-06-04AK47378ND
2021-03-25AK71829ND
2022-04-07AK98570ND
2022-12-20AL22779ND
2022-12-28AL23053ND
2023-01-30AL24270ND