Know Your Environment. Protect Your Health.

Chloromethane

City of Grandview

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

5

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
2018N/A00N/A
2019ND20ND
2020N/A00N/A
20212.79 ppb92ND - 13.2 ppb
202211.4 ppb441.47 ppb - 30.2 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
2019-03-19ND
2019-04-23ND
2021-04-134102292ND
2021-04-134102289ND
2021-04-134102291ND
2021-04-134102293ND
2021-04-134102290ND
2021-04-13410201012.0 ppb
2021-04-134102032ND
2021-09-214183352ND
2021-12-13421791513.2 ppb
2022-03-2142638339.75 ppb
2022-06-07429885130.2 ppb
2022-09-2043477861.47 ppb
2022-10-2443646924.07 ppb