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EWG's Tap Water Database — 2019 UPDATE

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Trichlorotrifluoroethane

Status: No national drinking water standard exists

 

Trichlorotrifluoroethane (Freon 113) 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.

2015-2017:

FOUND
FOUND ABOVE HEALTH GUIDELINES

4

states detected

16

utilities detected

1.9 million

people served

0

states over health guideline

0

utilities over health guideline

0

people served over health guideline

Health concerns for trichlorotrifluoroethane

Harm to the liver

Change to the central nervous system

Harm to the heart and blood vessels

State and national drinking water standards and health guidelines

EWG Health Guideline 4,000 ppb

The EWG Health Guideline of 4,000 ppb for trichlorotrifluoroethane was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.

ppb = parts per billion

States reporting trichlorotrifluoroethane in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
New York91,359,508
California5530,130
Utah132,100
Wisconsin111,745
MORE
LESS

Utilities with the highest amounts of trichlorotrifluoroethane, 2015-2017

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Magna Water DistrictMagna, UT8 of 811.4 ppb32,100
Great Oaks Water Company Inc.San Jose, CA2 of 241.000 ppb99,199
Hicksville WDHicksville, NY1 of 11.000 ppb48,000
Camrosa Water DistrictCamarillo, CA3 of 100.630 ppb30,000
City of ModestoModesto, CA9 of 1680.595 ppb212,000
Bethpage WDBethpage, NY10 of 690.474 ppb33,000
Grafton WaterworksGrafton, WI12 of 340.321 ppb11,745
WA of Great Neck NorthGreat Neck, NY9 of 340.186 ppb31,400
Chino Basin Desalter Authority - Desalter 1*Ontario, CA1 of 1090.174 ppb0
San Bernardino City*San Bernardino, CA9 of 8410.149 ppb188,931
Town of Hempstead Water DepartmentEast Meadow, NY2 of 890.0353 ppb110,000
St James WDSt James, NY1 of 30.00531 ppb10,587
Stony Brook Water DistrictOakdale, NY1 of 30.00531 ppb4,836
Greenport VillageGreenport, NY1 of 30.00531 ppb2,050
Smithtown WDKings Park, NY1 of 30.00531 ppb19,635
Suffolk County Water Authority*Oakdale, NY1 of 30.00531 ppb1,100,000

* 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 Trichlorotrifluoroethane, but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
Magna Water DistrictMagna, UT8 of 811.4 ppb32,100
Hicksville WDHicksville, NY1 of 11.000 ppb48,000
Great Oaks Water Company Inc.San Jose, CA2 of 241.000 ppb99,199
Camrosa Water DistrictCamarillo, CA3 of 100.630 ppb30,000
City of ModestoModesto, CA9 of 1680.595 ppb212,000
Bethpage WDBethpage, NY10 of 690.474 ppb33,000
Grafton WaterworksGrafton, WI12 of 340.321 ppb11,745
WA of Great Neck NorthGreat Neck, NY9 of 340.186 ppb31,400
San Bernardino City*San Bernardino, CA9 of 8410.149 ppb188,931
Town of Hempstead Water DepartmentEast Meadow, NY2 of 890.0353 ppb110,000
St James WDSt James, NY1 of 30.00531 ppb10,587
Smithtown WDKings Park, NY1 of 30.00531 ppb19,635
Suffolk County Water Authority*Oakdale, NY1 of 30.00531 ppb1,100,000

* 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 Trichlorotrifluoroethane, but it likely has the contaminant in its water supply.