Know Your Environment. Protect Your Health.

Chloromethane

Jackson 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.

 

34

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.0325 ppb81ND - 0.260 ppb
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND40ND
2019ND40ND
2020ND40ND
2021ND40ND
2022ND60ND
2023ND40ND

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
2013-01-16100260PND
2013-01-16100259PND
2013-01-16100258PND
2013-01-16100257PND
2013-07-16101684P0.260 ppb
2013-07-16101687PND
2013-07-16101686PND
2013-07-16101685PND
2018-12-05Q1849735006ND
2018-12-05Q1849735004ND
2018-12-05Q1849735012ND
2018-12-05Q1849735015ND
2019-06-04Q1931259013ND
2019-06-04Q1931259015ND
2019-06-04Q1931259017ND
2019-06-04Q1931259019ND
2020-08-19Q2033205034ND
2020-08-19Q2033205030ND
2020-08-19Q2033205036ND
2020-08-19Q2033205032ND
2021-01-20Q2101457008ND
2021-01-20Q2101457006ND
2021-01-20Q2101457004ND
2021-10-21Q2129820002ND
2022-04-05Q2210384007ND
2022-04-05Q2210384005ND
2022-04-05Q2210384003ND
2022-07-25Q2220978003ND
2022-08-17Q2224333001ND
2022-10-06Q2230229003ND
2023-10-11Q2343424006ND
2023-10-11Q2343424008ND
2023-10-11Q2343424010ND
2023-10-11Q2343424012ND