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EWG's Tap Water Database — 2021 UPDATE

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Dichlorodifluoromethane

Placer County Water Agency - Foothill

Dichlorodifluoromethane (Freon-12) 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
2016N/A00N/A
2017N/A00N/A
2018ND20ND
2019ND30ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-08-203334-002-1010ND
2014-08-203334-007-1200ND
2015-08-113334-002-1000ND
2015-08-113334-007-1305ND
2018-08-143334-002-1120ND
2018-08-143334-007-1310ND
2019-08-273334-002-0000ND
2019-09-093334-007-1330ND
2019-09-123334-014-1150ND