Know Your Environment. Protect Your Health.

Chloromethane

Farmington

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND40ND
2019N/A00N/A
2020ND20ND
2021ND20ND
2022ND30ND
2023ND30ND

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
2014-03-051074704006ND
2014-03-051074704003ND
2014-03-051074704009ND
2014-09-022026820004ND
2014-09-022026820001ND
2014-09-172029864003ND
2018-01-0318A0035-02ND
2018-01-0318A0035-04ND
2018-01-0318A0035-03ND
2018-01-0318A0035-01ND
2020-10-2220J1183-02ND
2020-10-2220J1182-01ND
2021-02-1821B1013-04ND
2021-02-1821B1013-01ND
2022-05-1722E1317-01ND
2022-07-2522G1722-01ND
2022-10-2422J1045-01ND
2023-01-1123A0312-01ND
2023-01-1123A0313-01ND
2023-01-1123A0313-03ND