Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Trichlorofluoromethane

Glennville 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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND20ND
2016ND10ND
2017ND20ND
2018ND40ND
2019ND30ND

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
2014-05-13AI40468ND
2014-05-13AI40469ND
2014-06-17AI43413ND
2015-03-24AI69613ND
2015-03-24AI69614ND
2016-04-20AJ10601ND
2017-06-13AJ57447ND
2017-06-13AJ57448ND
2018-05-29AJ90284ND
2018-05-29AJ90285ND
2018-07-11AJ93933ND
2018-10-25AK04844ND
2019-01-23AK09938ND
2019-01-23AK09939ND
2019-04-16AK15319ND