Know Your Environment. Protect Your Health.

Chloromethane

South Cumberland UD

NOTE: South Cumberland UD purchases water from Crossville Water Department which is required to test for chloromethane. Sample information shown below was taken by Crossville 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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2015ND40ND
2016N/A00N/A
2017N/A00N/A
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
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: South Cumberland UD purchases water from Crossville Water Department which is required to test for chloromethane. Sample information shown below was taken by Crossville Water Department.

Date Result
2013-08-20ND
2013-08-20ND
2013-11-19ND
2013-11-19ND
2014-02-19ND
2014-02-19ND
2014-05-19ND
2014-05-19ND
2018-02-20ND
2018-02-20ND
2019-02-19ND
2019-02-19ND
2020-02-18ND
2020-02-18ND
2021-02-17ND
2021-02-17ND
2022-03-15ND
2022-03-15ND