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EWG's Tap Water Database — 2021 UPDATE

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Trichlorotrifluoroethane

Metropolitan Water District of So. Cal.

Trichlorotrifluoroethane (Freon 113) 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.

MORE ABOUT THIS CONTAMINANT

 

32

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND50ND
2016ND50ND
2017ND50ND
2018ND50ND
2019ND70ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 4,000 ppb

The EWG Health Guideline of 4,000 ppb for trichlorotrifluoroethane 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
2014-10-074412-026-1000ND
2014-10-074412-020-1120ND
2014-10-074412-013-1020ND
2014-10-074412-005-0840ND
2014-10-074412-003-0819ND
2015-01-064412-020-1055ND
2015-01-064412-026-0820ND
2015-01-064412-003-0810ND
2015-01-064412-013-1015ND
2015-01-064412-005-0845ND
2016-04-044412-003-1015ND
2016-04-044412-026-0920ND
2016-04-044412-005-0730ND
2016-04-044412-020-1030ND
2016-04-044412-013-1020ND
2017-07-314412-003-1000ND
2017-07-314412-005-0905ND
2017-07-314412-013-0900ND
2017-08-014412-026-1110ND
2017-08-024412-020-0835ND
2018-10-024412-013-1010ND
2018-10-024412-020-1020ND
2018-10-024412-003-1046ND
2018-10-024412-005-0742ND
2018-10-024412-026-0950ND
2019-01-024412-003-0910ND
2019-01-024412-020-1040ND
2019-01-024412-026-0737ND
2019-01-024412-005-0715ND
2019-01-144412-013-0825ND
2019-10-219588-005-0745ND
2019-10-229588-020-1315ND