Know Your Environment. Protect Your Health.

Chloromethane

Sky Harbour Water Supply Corporation

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
2018-10-15Q1840817001ND
2018-10-15Q1840817004ND
2019-05-13Q1923815001ND
2019-05-13Q1923815003ND
2020-08-03Q2030172001ND
2020-08-03Q2030172003ND
2021-06-03Q2114419005ND
2021-06-03Q2114419011ND
2022-11-30Q2235876001ND
2022-11-30Q2235876003ND
2023-08-17Q2334697001ND
2023-08-17Q2334697003ND