Know Your Environment. Protect Your Health.

Chloromethane

City of Pineville Water System

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.163 ppb186ND - 0.930 ppb
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

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
2014-02-2035127324003AMND
2014-02-2035127324013AMND
2014-02-2035127324009AM0.270 ppb
2014-02-2035127324007AMND
2014-02-2035127324005AMND
2014-02-2035127324017AMND
2014-02-2035127324011AM0.250 ppb
2014-02-2035127324015AMND
2014-02-2035127324001AMND
2014-08-0535149111013AM0.930 ppb
2014-08-0535149111003AMND
2014-08-0535149111005AMND
2014-08-0535149111001AMND
2014-08-0535149111017AMND
2014-08-0535149111015AM0.680 ppb
2014-08-0535149111009AM0.440 ppb
2014-08-0535149111007AMND
2014-08-0535149111011AM0.370 ppb