Know Your Environment. Protect Your Health.

Trichlorofluoromethane

Lakeshore Water System

Trichlorofluoromethane (Freon 11) is a refrigerant, solvent and aerosol propellant banned in 2000 under the Montreal Protocol because of its ozone-depleting properties. Freons can cause heart, nervous system and liver damage.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND20ND
2023ND40ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 1,300 ppb

The EWG Health Guideline of 1,300 ppb for trichlorofluoromethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.

ppb = parts per billion

All test results

Date Lab ID Result
2018-10-25Q1842857002ND
2018-10-25Q1842857003ND
2019-10-22Q1973213002ND
2019-10-22Q1973213004ND
2020-11-30Q2047385001ND
2020-11-30Q2047385003ND
2021-07-20Q2118954003ND
2021-12-06Q2133665006ND
2022-10-05Q2230095002ND
2022-10-05Q2230095004ND
2023-05-03Q2316787001ND
2023-08-21Q2335107003ND
2023-09-18Q2339829001ND
2023-11-02Q2347035001ND