Know Your Environment. Protect Your Health.

Chloromethane

Moxee Water Department

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.

 

12

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
2019N/A00N/A
2020N/A00N/A
20212.77 ppb32ND - 7.79 ppb
2022ND30ND
2023ND50ND

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
2018-05-08ND
2021-02-094074673ND
2021-07-2041470617.79 ppb
2021-10-1241915830.530 ppb
2022-03-074258467ND
2022-06-134296748ND
2022-09-194344902ND
2023-05-234455753ND
2023-05-234455754ND
2023-09-144545876ND
2023-09-144545877ND
2023-10-244542042ND