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EWG's Tap Water Database — 2019 UPDATE

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Dichlorodifluoromethane

Sterling Mutual Water Company

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND20ND
2014ND20ND
2015ND40ND
2016ND20ND
2017ND20ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-08-209588-001-0910ND
2012-08-209588-002-0920ND
2013-08-089588-001-0910ND
2013-08-089588-002-0920ND
2014-07-169588-001-0800ND
2014-07-169588-002-0815ND
2015-05-089588-001-0805ND
2015-05-089588-002-0830ND
2015-08-249588-001-1010ND
2015-08-249588-002-0955ND
2016-08-129588-001-0820ND
2016-08-129588-002-0840ND
2017-08-119588-001-0830ND
2017-08-119588-002-0815ND