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EWG's Tap Water Database — 2019 UPDATE

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Dichlorodifluoromethane

City of Donna

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND10ND
2014ND10ND
2015ND10ND
2016ND10ND
2017ND10ND

ppb = parts per billion

All test results

Date Lab ID Result
2012-07-311208134001ND
2013-07-23AC25583ND
2014-07-23AC60708ND
2015-07-14AC99399ND
2016-07-14AD44291ND
2017-07-12AD89097ND