Know Your Environment. Protect Your Health.

Chloromethane

City of Toyah

NOTE: City of Toyah purchases water from City of Balmorhea which is required to test for chloromethane. Sample information shown below was taken by City of Balmorhea.

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 Toyah purchases water from City of Balmorhea which is required to test for chloromethane. Sample information shown below was taken by City of Balmorhea.

Date Lab ID Result
2018-09-19Q1837703006ND
2019-08-13Q1954633002ND
2020-08-18Q2033217001ND
2021-08-09Q2120960003ND
2022-09-21Q2228589001ND
2023-08-29Q2337371001ND