Know Your Environment. Protect Your Health.

Chloromethane

Garden City Water System Glasscock Count

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
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
2018-05-14Q1819496004ND
2019-05-13Q1923731001ND
2020-05-06Q2017883001ND
2021-06-28Q2116788004ND
2022-05-09Q2213831001ND
2022-09-01Q2226108001ND
2022-12-14Q2237867001ND
2023-09-05Q2338037002ND