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CONTAMINANT

Chlorodifluoromethane

STATES DETECTED

37

serves

31 million

utilities detected

423

Overview

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.

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Chlorodifluoromethane around the Country

UTILITIES WITH CONTAMINATION
State Utilities People Served
California7811,801,974
Florida465,159,264
New York232,216,858
Colorado442,000,226
Arizona131,691,330
Washington6869,620
New Jersey13693,320
Illinois28605,598
Virginia6559,743
Texas15511,092
Pennsylvania22449,462
Ohio9396,647
Delaware7354,501
Kansas15288,237
Indiana4277,689
Massachusetts14248,289
Iowa6244,087
Hawaii3241,422
Michigan7235,672
Minnesota5216,150
Utah5212,256
Missouri3160,588
Wisconsin7143,200
Tennessee4118,614
Georgia5115,516
Nebraska9113,331
North Carolina5101,666
Rhode Island4101,258
Oklahoma391,150
Idaho289,606
South Dakota285,663
South Carolina468,381
New Mexico139,700
Oregon138,585
Nevada120,451
Alaska18,193
Vermont24,656

Utilities with the highest amounts of chlorodifluoromethane, 2013-2016

ALL UTILITIES
LARGE UTILITIES
Utility Location Tests Average level People served
City of Newman Water DepartmentNewman, CA4 of 71.98 ppb12,351
FridleyFridley, MN2 of 61.67 ppb27,476
City of Arlington*Arlington, TX2 of 71.26 ppb405,420
Franklin Square WDFranklin Square, NY4 of 61.19 ppb20,000
Scotts Valley Water DistrictScotts Valley, CA2 of 80.913 ppb10,709
City of Zephyrhills*Zephyrhills, FL4 of 140.843 ppb29,117
Perkasie Regional AuthoritySellersville, PA4 of 100.820 ppb15,000
Aqua Pa HatboroBryn Mawr, PA8 of 150.724 ppb12,901
Rowley Water DepartmentRowley, MA2 of 60.616 ppb6,325
City of BrentwoodBrentwood, CA4 of 200.570 ppb64,342
City of Hallandale BeachHallandale Beach, FL2 of 20.506 ppb40,000
City of Pembroke PinesPembroke Pines, FL2 of 20.480 ppb187,459
City of Oakland ParkOakland Park, FL2 of 20.480 ppb27,984
Centre of New England BoulevardRumford, RI2 of 160.475 ppb9,999
Warwick-potowomutWarwick, RI2 of 160.475 ppb2,163
Centre of New England Hopkins Hill Rd.Rumford, RI2 of 160.475 ppb317
Kent County Water Authority*West Warwick, RI2 of 160.475 ppb88,779
City of Wilton ManorsWilton Manors, FL2 of 20.460 ppb12,531
Southeast Morris County Municipal Utilities Authority*Cedar Knolls, NJ2 of 220.445 ppb62,349
MDWASA/REX UtilitiesMiami, FL6 of 100.402 ppb45,200
City of Hollywood*Hollywood, FL2 of 20.396 ppb147,566
DunlapDunlap, IL3 of 120.358 ppb1,603
Deluxe Lake Estates Mobile Home ParkEast Peoria, IL3 of 120.358 ppb325
Hanna CityHanna City, IL3 of 120.358 ppb1,253
IL American - Peoria*Peoria, IL3 of 120.358 ppb121,478
T-l Rural Water District*Glasford, IL3 of 120.358 ppb2,665
MarshallMarshall, MN1 of 20.355 ppb13,680
California Water Service (CWS) - Los Altos SuburbanSan Jose, CA8 of 260.353 ppb70,175
HempsteadHempstead, NY2 of 40.335 ppb56,000
City of PortervillePorterville, CA16 of 640.325 ppb62,988
Warwick Township Lititz SystemLititz, PA4 of 40.303 ppb8,561
Santa MonicaSanta Monica, CA2 of 40.290 ppb93,076
San Fernando Water DepartmentSan Fernando, CA10 of 120.288 ppb23,946
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 ppb182,245
Tamarac (east), City ofTamarac, FL2 of 40.275 ppb2,582
Davie (hacienda Village)Davie, FL2 of 40.275 ppb1,000
Sacramento Suburban Water District*Sacramento, CA3 of 1120.251 ppb194,444
California American Water Company - AntelopeSacramento, CA3 of 1120.251 ppb35,204
Harmony Village Mobile Home ParkLakewood, CO3 of 40.238 ppb1,215
Pleasant Grove Mobile Home ParkLakewood, CO3 of 40.238 ppb285
West Fort Collins Water District*La Porte, CO3 of 40.238 ppb4,000
Hickory VillageFort Collins, CO3 of 40.238 ppb816
City of Fort Collins*Fort Collins, CO3 of 40.238 ppb179,901
Glenwood Water DistrictGlenwood Landing, NY4 of 140.234 ppb1,000
Roslyn WD*Roslyn, NY4 of 140.234 ppb18,000
California American Water Company - Lincoln OaksSacramento, CA4 of 390.225 ppb47,546
First U D of Hawkins Company*Church Hill, TN2 of 80.214 ppb20,294
City of South PasadenaSouth Pasadena, CA2 of 20.210 ppb25,329
AdrianAdrian, MI3 of 40.208 ppb23,663

* 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.

UtilityLocationTestsAverage levelPeople served
City of Newman Water DepartmentNewman, CA4 of 71.98 ppb12,351
FridleyFridley, MN2 of 61.67 ppb27,476
City of Arlington*Arlington, TX2 of 71.26 ppb405,420
Franklin Square WDFranklin Square, NY4 of 61.19 ppb20,000
Scotts Valley Water DistrictScotts Valley, CA2 of 80.913 ppb10,709
City of Zephyrhills*Zephyrhills, FL4 of 140.843 ppb29,117
Perkasie Regional AuthoritySellersville, PA4 of 100.820 ppb15,000
Aqua Pa HatboroBryn Mawr, PA8 of 150.724 ppb12,901
City of BrentwoodBrentwood, CA4 of 200.570 ppb64,342
City of Hallandale BeachHallandale Beach, FL2 of 20.506 ppb40,000
City of Pembroke PinesPembroke Pines, FL2 of 20.480 ppb187,459
City of Oakland ParkOakland Park, FL2 of 20.480 ppb27,984
Kent County Water Authority*West Warwick, RI2 of 160.475 ppb88,779
City of Wilton ManorsWilton Manors, FL2 of 20.460 ppb12,531
Southeast Morris County Municipal Utilities Authority*Cedar Knolls, NJ2 of 220.445 ppb62,349
MDWASA/REX UtilitiesMiami, FL6 of 100.402 ppb45,200
City of Hollywood*Hollywood, FL2 of 20.396 ppb147,566
IL American - Peoria*Peoria, IL3 of 120.358 ppb121,478
MarshallMarshall, MN1 of 20.355 ppb13,680
California Water Service (CWS) - Los Altos SuburbanSan Jose, CA8 of 260.353 ppb70,175
HempsteadHempstead, NY2 of 40.335 ppb56,000
City of PortervillePorterville, CA16 of 640.325 ppb62,988
Santa MonicaSanta Monica, CA2 of 40.290 ppb93,076
San Fernando Water DepartmentSan Fernando, CA10 of 120.288 ppb23,946
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 ppb182,245
Sacramento Suburban Water District*Sacramento, CA3 of 1120.251 ppb194,444
California American Water Company - AntelopeSacramento, CA3 of 1120.251 ppb35,204
City of Fort Collins*Fort Collins, CO3 of 40.238 ppb179,901
Roslyn WD*Roslyn, NY4 of 140.234 ppb18,000
California American Water Company - Lincoln OaksSacramento, CA4 of 390.225 ppb47,546
First U D of Hawkins Company*Church Hill, TN2 of 80.214 ppb20,294
City of South PasadenaSouth Pasadena, CA2 of 20.210 ppb25,329
AdrianAdrian, MI3 of 40.208 ppb23,663
City of SunnyvaleSunnyvale, CA3 of 190.203 ppb155,567
City of TempeTempe, AZ10 of 240.202 ppb165,000
San Jose State UniversitySan Jose, CA4 of 40.198 ppb30,000
Granger - Hunter Improvement DistrictSalt Lake City, UT2 of 160.194 ppb121,083
California Water Service (CWS) - VisaliaSan Jose, CA6 of 860.186 ppb145,793
MaywoodMaywood, IL2 of 40.185 ppb24,090
Melrose Park*Melrose Park, IL2 of 40.185 ppb24,206
Leyden Twsp Water DistrictFranklin Park, IL2 of 40.185 ppb16,000
BellwoodBellwood, IL2 of 40.185 ppb19,156
North LakeNorth Lake, IL2 of 40.185 ppb12,323
Great Oaks Water Company Inc.*San Jose, CA9 of 260.178 ppb108,902
Ironton PWS*Ironton, OH2 of 40.178 ppb11,129
Hecla Water Association-Plant PWS*Ironton, OH2 of 40.178 ppb34,942
Broward County Water and Wastewater Services (BCWWS) 3B/CMiramar, FL2 of 20.165 ppb32,650
Bourne Water District*Pocasset, MA4 of 120.162 ppb22,500
City of Homestead*Homestead, FL2 of 40.160 ppb68,438

* 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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