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EWG's Tap Water Database — 2021 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.

2017-2019:

FOUND
FOUND ABOVE HEALTH GUIDELINES

4

states detected

18

utilities detected

784,000

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 York12527,631
California3212,420
Utah132,100
Wisconsin211,805
MORE
LESS

Utilities with the highest amounts of trichlorotrifluoroethane, 2017-2019

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Hicksville WDHicksville, NY147 of 30830.5 ppb48,000
Magna Water DistrictMagna, UT26 of 267.58 ppb32,100
Franklin Square WDFranklin Square, NY78 of 1730.848 ppb20,000
Plainview WDPlainview, NY43 of 3140.614 ppb35,000
Great Oaks Water Company Inc.*San Jose, CA2 of 480.500 ppb99,199
City of ModestoModesto, CA14 of 3070.481 ppb212,000
Camrosa Water DistrictCamarillo, CA3 of 180.350 ppb30,000
Carlton Heights Mobile Home Park Ct 2Sturgeon Bay, WI1 of 10.340 ppb60
Hilmar County Water DistrictHilmar, CA1 of 30.333 ppb4,850
Grafton WaterworksGrafton, WI27 of 700.325 ppb11,745
Bethpage WDBethpage, NY29 of 3560.310 ppb33,000
Santa Rosa Mobile EstatesSan Leandro, CA1 of 60.300 ppb420
Manhasset Lakeville WD*Great Neck, NY13 of 830.173 ppb44,600
PlandomePlandome, NY13 of 830.173 ppb1,600
San Bernardino City*San Bernardino, CA18 of 1,7460.167 ppb188,931
Chino Basin Desalter Authority - Desalter 1*Ontario, CA2 of 2270.137 ppb0
HempsteadHempstead, NY9 of 2540.127 ppb56,000
WA of Great Neck NorthGreat Neck, NY31 of 2840.0838 ppb31,400
City of FarmersvilleFarmersville, CA1 of 140.0357 ppb10,908
Garden CityGarden City, NY9 of 1910.0337 ppb46,000
West Hempstead WD*West Hempstead, NY1 of 1210.0107 ppb33,531
Cathedral Gardens Water DistrictWest Hempstead, NY1 of 1210.0107 ppb1,500
St James WDSt James, NY2 of 40.00657 ppb10,587
Stony Brook Water DistrictHauppauge, NY2 of 40.00657 ppb4,836
Greenport VillageGreenport, NY2 of 40.00657 ppb2,050
Smithtown WDKings Park, NY2 of 40.00657 ppb19,635
Suffolk County Water Authority*Bayshore, NY2 of 40.00657 ppb1,100,000
Town of Hempstead Water DepartmentEast Meadow, NY3 of 6790.00636 ppb110,000
New York American Water - MerrickMerrick, NY1 of 2160.00338 ppb177,000

* 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
Hicksville WDHicksville, NY147 of 30830.5 ppb48,000
Magna Water DistrictMagna, UT26 of 267.58 ppb32,100
Franklin Square WDFranklin Square, NY78 of 1730.848 ppb20,000
Plainview WDPlainview, NY43 of 3140.614 ppb35,000
Great Oaks Water Company Inc.*San Jose, CA2 of 480.500 ppb99,199
City of ModestoModesto, CA14 of 3070.481 ppb212,000
Camrosa Water DistrictCamarillo, CA3 of 180.350 ppb30,000
Grafton WaterworksGrafton, WI27 of 700.325 ppb11,745
Bethpage WDBethpage, NY29 of 3560.310 ppb33,000
Manhasset Lakeville WD*Great Neck, NY13 of 830.173 ppb44,600
San Bernardino City*San Bernardino, CA18 of 1,7460.167 ppb188,931
HempsteadHempstead, NY9 of 2540.127 ppb56,000
WA of Great Neck NorthGreat Neck, NY31 of 2840.0838 ppb31,400
City of FarmersvilleFarmersville, CA1 of 140.0357 ppb10,908
Garden CityGarden City, NY9 of 1910.0337 ppb46,000
West Hempstead WD*West Hempstead, NY1 of 1210.0107 ppb33,531
St James WDSt James, NY2 of 40.00657 ppb10,587
Smithtown WDKings Park, NY2 of 40.00657 ppb19,635
Suffolk County Water Authority*Bayshore, NY2 of 40.00657 ppb1,100,000
Town of Hempstead Water DepartmentEast Meadow, NY3 of 6790.00636 ppb110,000
New York American Water - MerrickMerrick, NY1 of 2160.00338 ppb177,000

* 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.