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Trichlorofluoromethane

Status: No national drinking water standard exists

 

Trichlorofluoromethane (Freon 11) 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
FOUND ABOVE HEALTH GUIDELINES

6

states detected

19

utilities detected

4.6 million

people served

0

states over health guideline

0

utilities over health guideline

0

people served over health guideline

Health concerns for trichlorofluoromethane

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

Health Guideline 1,300 ppb

The health guideline of 1,300 ppb for trichlorofluoromethane 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 trichlorofluoromethane in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
California54,156,178
Wisconsin3236,335
New York7198,681
Missouri210,120
Georgia1806
Minnesota1493
MORE
LESS

Utilities with the highest amounts of trichlorofluoromethane, 2015

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Yuima Municipal Water District IdaPauma Valley, CA4 of 540.4 ppb400
Tall Oaks Mobile Home ParkLeslie, MO2 of 61.98 ppb120
WhiteWhite, GA1 of 21.15 ppb806
EurekaEureka, MO2 of 90.926 ppb10,000
Balsam Crest Homeowners AssociationChestertown, NY2 of 20.750 ppb50
Garden CityGarden City, NY8 of 1320.733 ppb25,000
South Huntington Water DepartmentSouth Huntington, NY1 of 10.350 ppb81,760
AlturaAltura, MN1 of 20.300 ppb493
Evergreen Homeowners AssociationChestertown, NY1 of 30.267 ppb56
Carle Place Water DistrictCarle Place, NY8 of 390.140 ppb9,005
Hicksville WDHicksville, NY7 of 1700.0533 ppb47,810
Madison Water Utility*Madison, WI2 of 360.0475 ppb235,000
San Bernardino City*San Bernardino, CA2 of 2960.0378 ppb188,931
Los Angeles Department of Water and Power*Los Angeles, CA6 of 6830.00931 ppb3,935,257
Plainview WDPlainview, NY1 of 1550.00710 ppb35,000

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

UtilityLocationTestsAverage levelPeople served
EurekaEureka, MO2 of 90.926 ppb10,000
Garden CityGarden City, NY8 of 1320.733 ppb25,000
South Huntington Water DepartmentSouth Huntington, NY1 of 10.350 ppb81,760
Hicksville WDHicksville, NY7 of 1700.0533 ppb47,810
Madison Water Utility*Madison, WI2 of 360.0475 ppb235,000
San Bernardino City*San Bernardino, CA2 of 2960.0378 ppb188,931
Los Angeles Department of Water and Power*Los Angeles, CA6 of 6830.00931 ppb3,935,257
Plainview WDPlainview, NY1 of 1550.00710 ppb35,000

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