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EWG's Tap Water Database — 2019 UPDATE

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Dichlorodifluoromethane

La Habra Heights County Water District

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.

 

27

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
2013N/A00N/A
2014ND30ND
2015ND100ND
2016ND60ND
2017ND40ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-03-292706-009-0855ND
2012-03-292706-010-0920ND
2012-04-172706-010-1335ND
2012-04-172706-009-1308ND
2014-01-089588-009-0929ND
2014-04-119588-010-0930ND
2014-07-229588-005-0950ND
2015-03-049588-009-0928ND
2015-04-109588-009-0909ND
2015-04-109588-010-0920ND
2015-04-109588-010-0920ND
2015-07-289588-009-0935ND
2015-07-289588-005-0947ND
2015-07-289588-010-1057ND
2015-09-169588-006-1010ND
2015-09-169588-006-1010ND
2015-12-169588-006-0955ND
2016-03-219588-009-0940ND
2016-03-219588-005-0920ND
2016-06-039588-005-1005ND
2016-07-139588-010-0840ND
2016-07-139588-006-0857ND
2016-07-139588-005-0907ND
2017-01-179588-009-0925ND
2017-07-199588-010-0900ND
2017-07-199588-006-0934ND
2017-07-199588-005-0915ND