Know Your Environment. Protect Your Health.

Chloromethane

Jacobs Water Supply Corporation Plants 1 & 2

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)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
2023ND20ND

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
2018-03-26Q1812037002ND
2018-03-26Q1812037009ND
2019-01-03Q1900175001ND
2019-01-03Q1900175008ND
2020-05-21Q2020366001ND
2020-05-21Q2020366003ND
2021-11-30Q2133011005ND
2021-11-30Q2133011007ND
2022-03-10Q2208342005ND
2022-03-10Q2208342007ND
2023-07-20Q2328746001ND
2023-10-19Q2344964001ND