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EWG's Tap Water Database — 2021 UPDATE

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Trichlorofluoromethane

Sky Lakes Water Supply Corporation

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND20ND
2016ND20ND
2017ND40ND
2018ND50ND
2019ND50ND

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
2015-04-29AC89874ND
2015-04-29AC89876ND
2016-07-12AD43884ND
2016-07-12AD43866ND
2017-04-11AD79226ND
2017-04-11AD79224ND
2017-09-26AD98027ND
2017-11-14AE04753ND
2018-01-09AE08411ND
2018-01-09AE08351ND
2018-04-10AE21888ND
2018-07-31AE35102ND
2018-10-23AE44310ND
2019-02-27AE56273ND
2019-02-27AE56281ND
2019-05-01AE64373ND
2019-07-23AE75575ND
2019-10-31AE88166ND