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EWG's Tap Water Database — 2021 UPDATE

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Dichlorodifluoromethane

Pico WD

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.

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45

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND70ND
2016ND80ND
2017ND70ND
2018ND80ND
2019ND70ND

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-069588-011-0745ND
2014-03-209588-002-0930ND
2014-03-209588-009-1008ND
2014-03-209588-006-1000ND
2014-03-209588-004-0936ND
2014-06-209588-011-0950ND
2014-08-229588-011-1005ND
2014-10-239588-011-0940ND
2015-03-189588-004-0831ND
2015-03-189588-011-0755ND
2015-03-189588-009-0806ND
2015-03-189588-006-0819ND
2015-06-229588-011-0837ND
2015-08-269588-011-0957ND
2015-12-239588-011-0823ND
2016-02-259588-011-0800ND
2016-03-149588-009-0915ND
2016-03-239588-004-0802ND
2016-03-239588-006-0816ND
2016-05-099588-011-0828ND
2016-08-109588-011-0825ND
2016-11-309588-011-0800ND
2016-12-229588-011-0837ND
2017-02-239588-011-0840ND
2017-03-209588-004-1000ND
2017-03-209588-009-0910ND
2017-03-209588-006-0920ND
2017-05-089588-011-0815ND
2017-08-249588-011-0924ND
2017-11-229588-011-0850ND
2018-02-139588-011-0900ND
2018-03-079588-004-0931ND
2018-03-079588-009-0908ND
2018-03-079588-006-0853ND
2018-05-149588-011-0835ND
2018-08-209588-011-0000ND
2018-08-209588-011-0830ND
2018-11-149588-011-0820ND
2019-03-259588-006-0830ND
2019-03-259588-011-0800ND
2019-03-259588-009-0900ND
2019-05-079588-011-0820ND
2019-05-099588-004-0746ND
2019-07-189588-009-0828ND
2019-10-319588-011-0850ND