Know Your Environment. Protect Your Health.

Chloromethane

City of Byers

NOTE: City of Byers purchases water from Dean Dale Special Utility District which is required to test for chloromethane. Sample information shown below was taken by Dean Dale Special Utility District.

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
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: City of Byers purchases water from Dean Dale Special Utility District which is required to test for chloromethane. Sample information shown below was taken by Dean Dale Special Utility District.

Date Lab ID Result
2018-02-28Q1808445003ND
2019-01-29Q1904440005ND
2020-03-03Q2007978011ND
2021-06-15Q2115601001ND
2022-01-20Q2202094003ND
2023-02-13Q2305500008ND