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Chlorodifluoromethane

Status: No national drinking water standard exists

 

Chlorodifluoromethane (Freon 22) 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.

2010-2015:

FOUND

38

states detected

526

utilities detected

31 million

people served

Health concerns for chlorodifluoromethane

Harm to the liver

Change to the central nervous system

Harm to the heart and blood vessels

States reporting chlorodifluoromethane in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
California8311,623,730
Florida554,955,405
Arizona503,142,481
New York262,301,009
Colorado411,686,656
Washington14588,688
Illinois26562,092
New Jersey11541,093
Virginia7517,336
Texas16477,003
Pennsylvania33454,969
Ohio9340,387
Delaware3339,700
Kansas23336,949
Indiana4250,360
Massachusetts14248,862
Michigan7229,125
Minnesota10222,340
Iowa7219,044
Hawaii3213,932
Utah6203,803
Missouri5150,697
Wisconsin7143,200
Tennessee10123,689
Nebraska7112,547
North Carolina894,768
Oklahoma891,746
Georgia1084,840
Rhode Island482,673
South Carolina775,074
South Dakota374,508
Idaho273,663
New Mexico137,877
Oregon136,295
Alaska118,222
Nevada118,000
Vermont24,656
Maryland13,500
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Utilities with the highest amounts of chlorodifluoromethane, 2010-2015

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
California Water Service (CWS) - Los Altos SuburbanSan Jose, CA9 of 279.60 ppb68,404
City of Newman Water DepartmentNewman, CA4 of 71.98 ppb10,586
Fridley*Fridley, MN2 of 61.67 ppb27,208
City of Arlington*Arlington, TX2 of 71.26 ppb379,370
Franklin Square WDFranklin Square, NY4 of 61.19 ppb20,000
S C I GraterfordGraterford, PA7 of 141.09 ppb3,000
Scotts Valley Water DistrictScotts Valley, CA2 of 80.913 ppb10,509
City of Zephyrhills*Zephyrhills, FL4 of 140.843 ppb21,823
Perkasie Regional Authority*Perkasie, PA4 of 100.820 ppb11,100
Aqua Pa HatboroBryn Mawr, PA8 of 150.724 ppb12,901
Rowley Water DepartmentRowley, MA2 of 60.616 ppb6,064
City of BrentwoodBrentwood, CA4 of 200.570 ppb53,278
City of Hallandale BeachHallandale Beach, FL2 of 20.506 ppb40,000
City of Oakland ParkOakland Park, FL2 of 20.480 ppb33,000
City of Pembroke PinesPembroke Pines, FL2 of 20.480 ppb160,000
Kent County Water Authority*West Warwick, RI2 of 160.475 ppb70,000
City of Wilton ManorsWilton Manors, FL2 of 20.460 ppb11,868
Southeast Morris County Municipal Utilities Authority*Cedar Knolls, NJ2 of 220.445 ppb62,050
MDWASA/REX UtilitiesMiami, FL6 of 100.402 ppb41,500
City of Hollywood*Hollywood, FL2 of 20.396 ppb142,705
IL American - Peoria*Creve Coeur, IL3 of 120.358 ppb136,000
MarshallMarshall, MN1 of 20.355 ppb13,680
HempsteadHempstead, NY2 of 40.335 ppb56,000
City of PortervillePorterville, CA16 of 640.325 ppb55,107
Warwick Township Lititz SystemLititz, PA4 of 40.303 ppb8,561
Santa MonicaSanta Monica, CA2 of 40.290 ppb92,185
San Fernando Water DepartmentSan Fernando, CA10 of 120.288 ppb23,839
Broward County Water and Wastewater Services (BCWWS) 3AFt Lauderdale, FL2 of 20.285 ppb16,046
City of Fort Lauderdale*Ft Lauderdale, FL2 of 40.275 ppb182,145
Sacramento Suburban Water District*Sacramento, CA3 of 1120.251 ppb171,200

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

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UtilityLocationTestsAverage levelPeople served
California Water Service (CWS) - Los Altos SuburbanSan Jose, CA9 of 279.60 ppb68,404
City of Newman Water DepartmentNewman, CA4 of 71.98 ppb10,586
Fridley*Fridley, MN2 of 61.67 ppb27,208
City of Arlington*Arlington, TX2 of 71.26 ppb379,370
Franklin Square WDFranklin Square, NY4 of 61.19 ppb20,000
Scotts Valley Water DistrictScotts Valley, CA2 of 80.913 ppb10,509
City of Zephyrhills*Zephyrhills, FL4 of 140.843 ppb21,823
Perkasie Regional Authority*Perkasie, PA4 of 100.820 ppb11,100
Aqua Pa HatboroBryn Mawr, PA8 of 150.724 ppb12,901
City of BrentwoodBrentwood, CA4 of 200.570 ppb53,278
City of Hallandale BeachHallandale Beach, FL2 of 20.506 ppb40,000
City of Pembroke PinesPembroke Pines, FL2 of 20.480 ppb160,000
City of Oakland ParkOakland Park, FL2 of 20.480 ppb33,000
Kent County Water Authority*West Warwick, RI2 of 160.475 ppb70,000
City of Wilton ManorsWilton Manors, FL2 of 20.460 ppb11,868
Southeast Morris County Municipal Utilities Authority*Cedar Knolls, NJ2 of 220.445 ppb62,050
MDWASA/REX UtilitiesMiami, FL6 of 100.402 ppb41,500
City of Hollywood*Hollywood, FL2 of 20.396 ppb142,705
IL American - Peoria*Creve Coeur, IL3 of 120.358 ppb136,000
MarshallMarshall, MN1 of 20.355 ppb13,680
HempsteadHempstead, NY2 of 40.335 ppb56,000
City of PortervillePorterville, CA16 of 640.325 ppb55,107
Santa MonicaSanta Monica, CA2 of 40.290 ppb92,185
San Fernando Water DepartmentSan Fernando, CA10 of 120.288 ppb23,839
Broward County Water and Wastewater Services (BCWWS) 3AFt Lauderdale, FL2 of 20.285 ppb16,046
City of Fort Lauderdale*Ft Lauderdale, FL2 of 40.275 ppb182,145
Sacramento Suburban Water District*Sacramento, CA3 of 1120.251 ppb171,200
City of Fort Collins*Fort Collins, CO3 of 40.238 ppb129,100
Roslyn WD*Roslyn, NY4 of 140.234 ppb18,000
California American Water Company - Lincoln OaksSacramento, CA4 of 390.225 ppb46,606

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

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