Know Your Environment. Protect Your Health.

Chloromethane

Essex Fells Water Department

NOTE: Essex Fells Water Department purchases water from NJ American Water - Short Hills which is required to test for chloromethane. Sample information shown below was taken by NJ American Water - Short Hills.

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND110ND
2019ND140ND
2020ND120ND
2021ND90ND
2022N/A00N/A
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

NOTE: Essex Fells Water Department purchases water from NJ American Water - Short Hills which is required to test for chloromethane. Sample information shown below was taken by NJ American Water - Short Hills.

Date Lab ID Result
2015-01-0627836101ND
2015-01-0627836601ND
2015-01-0727836401ND
2015-01-0727836901ND
2015-01-1227837501ND
2015-01-1327836301ND
2015-01-1327837701ND
2015-01-1427837101ND
2015-04-1428518701ND
2015-05-1229018501ND
2015-07-0829696301ND
2015-07-1529696801ND
2015-07-2029696501ND
2015-07-2029697501ND
2015-07-2629697301ND
2015-07-2729697101ND
2015-07-2829698201ND
2015-07-2929696601ND
2015-10-1430486201ND
2015-11-0230697401ND