Know Your Environment. Protect Your Health.

Chloromethane

Cullman Utilities Board

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
2018N/A00N/A
2019ND10ND
2020ND20ND
2021ND40ND
2022ND60ND
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
2019-07-09L1116869-01ND
2020-09-1420171257001_IVOCND
2020-10-2120176647001_IVOCND
2021-03-1235618624001_IVOCND
2021-05-2435635610001_IVOCND
2021-08-0935654208001_IVOCND
2021-11-1535678231001_IVOCND
2022-01-1935691464001_IVOCND
2022-03-1635704226001_IVOCND
2022-04-2035712321001_IVOCND
2022-07-26DC06126-01ND
2022-09-2135748351001_IVOCND
2022-10-1935754169001_IVOCND
2023-01-1935773721001_IVOCND
2023-04-2535794894001_IVOCND
2023-07-2735815984001_IVOCND
2023-10-1735835049001_IVOCND