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EWG's Tap Water Database — 2021 UPDATE

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Trichlorofluoromethane

White Fence Farms Mutual Water Company No. 3

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND20ND
2017ND10ND
2018N/A00N/A
2019ND20ND

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
2014-04-083761-002-1242ND
2014-04-083761-003-1303ND
2015-12-013761-002-1300ND
2015-12-013761-003-1240ND
2016-12-203761-002-1257ND
2016-12-203761-003-1226ND
2017-12-263761-003-1154ND
2019-07-303761-003-1131ND
2019-12-173761-003-1148ND