Know Your Environment. Protect Your Health.

Chloromethane

City of Shallowater

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.

 

13

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
2021ND30ND
2022ND50ND
2023ND20ND

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
2018-07-11Q1827381001ND
2019-07-10Q1943529002ND
2020-07-29Q2029645004ND
2021-08-11Q2121480006ND
2021-10-20Q2129605004ND
2021-10-20Q2129605006ND
2022-03-15Q2208766004ND
2022-06-16Q2216858002ND
2022-06-16Q2216858004ND
2022-08-16Q2224095001ND
2022-10-25Q2232134001ND
2023-04-25Q2315528008ND
2023-04-25Q2315528010ND