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EWG's Tap Water Database — 2019 UPDATE

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Trichlorofluoromethane

City of Lake Charles 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.

 

34

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND340ND
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A

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
2012-04-30AD65286ND
2012-04-30AD65283ND
2012-04-30AD65284ND
2012-04-30AD65286ND
2012-04-30AD65285ND
2012-04-30AD65284ND
2012-04-30AD65283ND
2012-04-30AD65282ND
2012-04-30AD65282ND
2012-04-30AD65285ND
2012-05-29AD65746ND
2012-05-29AD65745ND
2012-05-29AD65744ND
2012-05-29AD65743ND
2012-05-29AD65742ND
2012-05-29AD65743ND
2012-05-29AD65744ND
2012-05-29AD65745ND
2012-05-29AD65746ND
2012-05-29AD65742ND
2012-07-23AD67957ND
2012-07-23AD67960ND
2012-07-23AD67960ND
2012-07-23AD67959ND
2012-07-23AD67958ND
2012-07-23AD67957ND
2012-07-23AD67959ND
2012-07-23AD67958ND
2012-07-23AD67956ND
2012-07-23AD67956ND
2012-10-08AD71685ND
2012-10-08AD71683ND
2012-10-08AD71685ND
2012-10-08AD71683ND