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EWG's Tap Water Database

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Trichlorofluoromethane

East Cherry Creek Valley Water and Sanitation 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.

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010ND120ND
2011N/A00N/A
2012ND140ND
2013ND20ND
2014N/A00N/A
2015N/A00N/A

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 1,300 ppb

The 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 Result
2010-07-21ND
2010-07-21ND
2010-07-21ND
2010-07-22ND
2010-07-22ND
2010-07-22ND
2010-07-22ND
2010-07-22ND
2010-07-27ND
2010-07-27ND
2010-07-27ND
2010-07-27ND
2012-04-12ND
2012-04-12ND
2012-04-13ND
2012-04-19ND
2012-04-23ND
2012-04-26ND
2012-04-26ND
2012-05-04ND
2012-05-10ND
2012-05-17ND
2012-05-17ND
2012-05-25ND
2012-07-13ND
2012-10-25ND
2013-06-05ND
2013-07-17ND