Know Your Environment. Protect Your Health.

Chloromethane

Bicknell Municipal Utilities

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019ND10ND
202014.0 ppb1114.0 ppb
2021ND40ND
20220.478 ppb42ND - 1.30 ppb
2023N/A00N/A

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
2018-11-0818017992001RV-1804ND
2019-02-1319002243001RV-1901ND
2020-02-1020002097001RV-200114.0 ppb
2021-01-2521001631-001-0001ND
2021-04-0621006360-001-0001ND
2021-07-1921013950-001-0003ND
2021-10-0521019917-001-0004ND
2022-03-3022005510-001-00011.30 ppb
2022-04-0622006016-001-00020.610 ppb
2022-09-1422017362-001-0002ND
2022-10-0450328007003ND