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EWG's Tap Water Database — 2021 UPDATE

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Trichlorofluoromethane

Orange County WCID 1

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND20ND
2016ND20ND
2017ND50ND
2018ND30ND
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
2014-04-17AC51076ND
2015-02-26AC82115ND
2015-02-26AC82127ND
2016-02-23AD25080ND
2016-02-23AD25078ND
2017-02-21AD71272ND
2017-02-21AD71274ND
2017-05-23AD85279ND
2017-08-25AD94489ND
2017-11-07AE04095ND
2018-02-14AE13802ND
2018-02-14AE13788ND
2018-02-14AE13784ND
2019-04-08AE61410ND
2019-04-08AE61408ND
2019-04-08AE61406ND