Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Trichlorofluoromethane

Clay County Reg Water District

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
2014ND30ND
2015ND20ND
2016ND20ND
2017ND30ND
2018ND20ND
2019ND20ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2014-08-0614219000701ND
2014-08-0614219000801ND
2014-08-0614219000601ND
2015-09-0715252003501ND
2015-09-0715252003701ND
2016-07-2716210001201ND
2016-07-2716210001101ND
2017-07-1717200001401ND
2017-07-1717200001601ND
2017-07-1717200001501ND
2018-08-2818242002601ND
2018-08-2818242002501ND
2019-08-0619220014101ND
2019-08-0619220014401ND