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Dichlorodifluoromethane

Status: No national drinking water standard exists

 

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.

2015:

FOUND

6

states detected

39

utilities detected

2.4 million

people served

Health concerns for dichlorodifluoromethane

Harm to the liver

Change to the central nervous system

Harm to the heart and blood vessels

States reporting dichlorodifluoromethane in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
California162,078,553
New York12275,291
Wisconsin612,732
Missouri212,266
Maine2300
Delaware193
MORE
LESS

Utilities with the highest amounts of dichlorodifluoromethane, 2015

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Sugar Tree ClubNewburg, MO1 of 11.42 ppb66
San Bernardino City*San Bernardino, CA175 of 2761.40 ppb188,931
Island Nursing HomeDeer Isle, ME1 of 11.30 ppb240
Clifton Park Water Authority*Clifton Park, NY1 of 11.000 ppb39,710
Adirondack Airport CommunitySaranac Lake, NY1 of 11.000 ppb90
California Water Service - LivermoreLivermore, CA46 of 560.978 ppb56,700
Garden CityGarden City, NY13 of 1320.955 ppb25,000
California Water Service - StocktonSan Jose, CA25 of 550.850 ppb185,346
Altoona WaterworksAltoona, WI2 of 20.770 ppb7,500
California Water Service (CWS) - Los Altos SuburbanSan Jose, CA1 of 190.682 ppb68,404
Sunny Gables- Glenburn HousingBangor, ME1 of 10.670 ppb60
Stage Village Mobile Home CommunityDagsboro, DE1 of 10.660 ppb93
Mount Baldy Homeowners AssociationMt. Baldy, CA3 of 30.607 ppb350
City of Fresno*Fresno, CA13 of 2770.402 ppb522,352
Tainter Woods CondominiumsColfax, WI1 of 10.390 ppb85
San Gabriel Valley Water Company - Fontana*Fontana, CA70 of 1690.373 ppb213,209
Fruitridge Vista Water CompanySacramento, CA5 of 120.333 ppb15,000
Abbotsford WaterworksAbbotsford, WI1 of 10.310 ppb1,956
Boone County PWSD 9*Columbia, MO1 of 50.282 ppb12,200
Withee Waterworks*Withee, WI1 of 10.280 ppb504
Colby WaterworksColby, WI2 of 20.275 ppb1,751
MineolaMineola, NY11 of 930.188 ppb20,600
HempsteadHempstead, NY6 of 600.106 ppb56,000
City of ModestoModesto, CA3 of 550.0929 ppb212,000
Hicksville WDHicksville, NY22 of 1700.0852 ppb47,810
Roslyn WD*Roslyn, NY1 of 80.0775 ppb18,000
West Hempstead WD*West Hempstead, NY1 of 220.0409 ppb33,531
WA of Great Neck NorthGreat Neck, NY4 of 1320.0229 ppb31,400
City of AnaheimAnaheim, CA1 of 540.0148 ppb450,000

* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report Dichlorodifluoromethane, but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
San Bernardino City*San Bernardino, CA175 of 2761.40 ppb188,931
Clifton Park Water Authority*Clifton Park, NY1 of 11.000 ppb39,710
California Water Service - LivermoreLivermore, CA46 of 560.978 ppb56,700
Garden CityGarden City, NY13 of 1320.955 ppb25,000
California Water Service - StocktonSan Jose, CA25 of 550.850 ppb185,346
California Water Service (CWS) - Los Altos SuburbanSan Jose, CA1 of 190.682 ppb68,404
City of Fresno*Fresno, CA13 of 2770.402 ppb522,352
San Gabriel Valley Water Company - Fontana*Fontana, CA70 of 1690.373 ppb213,209
Fruitridge Vista Water CompanySacramento, CA5 of 120.333 ppb15,000
Boone County PWSD 9*Columbia, MO1 of 50.282 ppb12,200
MineolaMineola, NY11 of 930.188 ppb20,600
HempsteadHempstead, NY6 of 600.106 ppb56,000
City of ModestoModesto, CA3 of 550.0929 ppb212,000
Hicksville WDHicksville, NY22 of 1700.0852 ppb47,810
Roslyn WD*Roslyn, NY1 of 80.0775 ppb18,000
West Hempstead WD*West Hempstead, NY1 of 220.0409 ppb33,531
WA of Great Neck NorthGreat Neck, NY4 of 1320.0229 ppb31,400
City of AnaheimAnaheim, CA1 of 540.0148 ppb450,000

* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report Dichlorodifluoromethane, but it likely has the contaminant in its water supply.