Know Your Environment. Protect Your Health.

Chloromethane

Townley Water Authority

NOTE: Townley Water Authority purchases water from Jasper Water Works and Sewer Board which is required to test for chloromethane. Sample information shown below was taken by Jasper Water Works and Sewer Board.

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND10ND
2019ND10ND
2020ND10ND
2021ND10ND
2022ND10ND
2023ND10ND

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: Townley Water Authority purchases water from Jasper Water Works and Sewer Board which is required to test for chloromethane. Sample information shown below was taken by Jasper Water Works and Sewer Board.

Date Lab ID Result
2014-02-212980351ND
2014-05-223033685ND
2014-08-253094049ND
2014-11-073136428ND
2018-05-25180525010-1ND
2019-04-2619040702-001AND
2020-06-1620158931001_IVOCND
2021-06-0735638719001_IVOCND
2022-06-0635722583001_IVOCND
2023-06-0535803972001_IVOCND