Know Your Environment. Protect Your Health.

Chloromethane

City of Sansom Park

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.

 

40

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND60ND
2019ND60ND
2020ND60ND
2021ND80ND
2022ND80ND
20230.0867 ppb61ND - 0.520 ppb

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
2018-03-28Q1812846004ND
2018-03-28Q1812846002ND
2018-03-28Q1812846009ND
2018-03-28Q1812846005ND
2018-03-28Q1812846007ND
2018-10-25Q1842722002ND
2019-05-02Q1918146002ND
2019-05-02Q1918146018ND
2019-05-02Q1918146020ND
2019-05-02Q1918146022ND
2019-05-02Q1918146024ND
2019-05-02Q1918146026ND
2020-01-21Q2002279009ND
2020-01-21Q2002279015ND
2020-01-21Q2002279013ND
2020-01-21Q2002279011ND
2020-09-01Q2034833005ND
2020-09-01Q2034833007ND
2021-03-09Q2106121017ND
2021-03-09Q2106121015ND
2021-03-09Q2106121011ND
2021-03-09Q2106121009ND
2021-03-09Q2106121007ND
2021-03-09Q2106121013ND
2021-09-14Q2124999006ND
2021-12-14Q2135515001ND
2022-03-14Q2208529005ND
2022-05-05Q2213616004ND
2022-10-13Q2231074005ND
2022-10-13Q2231074011ND
2022-10-13Q2231074009ND
2022-10-13Q2231074007ND
2022-10-13Q2231074003ND
2022-10-13Q2231074001ND
2023-04-13Q2313713005ND
2023-08-15Q2334087010ND
2023-08-15Q2334087012ND
2023-08-15Q23340870140.520 ppb
2023-08-15Q2334087016ND
2023-08-15Q2334087018ND