Know Your Environment. Protect Your Health.

Trichlorofluoromethane

Walnut Grove Utilities

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021ND40ND
2022ND30ND
2023ND100ND

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
2021-03-187364280001ND
2021-03-187364282001VND
2021-04-227368589001ND
2021-09-077387721001AND
2022-10-26FWJ0181-01ND
2022-11-14FWJ0184ND
2022-11-15FWJ0191ND
2023-02-07FXB0070-01ND
2023-02-07FXB0061-01ND
2023-02-09FXB0077-01ND
2023-04-04FXC0510ND
2023-04-04FXC0539-01ND
2023-04-05FXC0546-01ND
2023-04-05FXC0561-01ND
2023-04-06FXD0264-01ND
2023-04-06FXC0504-01ND
2023-08-02FXF0580-01ND