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CONTAMINANT

Perfluorodecanoic acid (PFDA)

FOUND

Exceeding guidelines

STATES DETECTED

19

serves

5.8 million

utilities detected

265

states detected

19

serves

5.2 million

utilities detected

251

Overview

Perfluorodecanoic acid (PFDA) is a member of a group of perfluorinated chemicals used in many consumer products. PFDA and other perfluorinated chemicals can cause serious health effects, including cancer, endocrine disruption, accelerated puberty, liver and immune system damage, and thyroid changes. These chemicals are persistent in the environment and they accumulate in people. Click here to read more about perfluorinated chemicals.

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.006 ppt

The EWG Health Guideline of 0.006 ppt for PFDA was defined by EPA's toxicity value published in the Integrated Risk Information System’s toxicological review. This health guideline protects against harm to the immune system and harm to fetal growth and child development.

ppt = parts per trillion

National Standard Exists

Health Concerns:

  • Harm to the immune system

  • Harm to fetal growth and child development

Want to remove
Perfluorodecanoic acid (PFDA) from your water?

Try these filter technologies:

Activated Carbon, 

Reverse Osmosis, 

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Perfluorodecanoic acid (PFDA) around the Country

UTILITIES REPORTING ABOVE HEALTH GUIDELINES UTILITIES WITH CONTAMINATION
State Utilities People Served Utilities People Served
California311,938,972311,938,972
North Carolina491,393,150491,393,150
Massachusetts45769,778541,007,322
New York49152,23253458,532
Alabama19241,78519241,785
Colorado13229,06413229,064
Michigan13217,61313217,613
Delaware1100,4951100,495
Minnesota956,3201090,102
Rhode Island135,298135,298
Wisconsin219,570219,570
Arizona117,682117,682
Pennsylvania215,046215,046
Utah414,800414,800
Louisiana48,79348,793
Washington15,04515,045
New Jersey42,19042,190
New Hampshire24002400
Maine160160

Utilities with the highest amounts of PFDA, 2018-2024

ALL UTILITIES
LARGE UTILITIES
Utility Location Tests Average level People served
Danbury, Town ofDanbury, NC1 of 110.2 ppt250
Teachey, Town ofTeachey, NC1 of 17.00 ppt663
Wallace, Town of*Wallace, NC1 of 17.00 ppt5,825
Lake Waccamaw, Town ofLake Waccamaw, NC1 of 15.40 ppt2,469
Emmaus Borough Public Water*Emmaus, PA9 of 234.26 ppt14,000
Lca Emmaus Consecutive DivAllentown, PA9 of 234.26 ppt1,046
Sunny Gables- Glenburn HousingGlenburn, ME5 of 93.95 ppt60
Lillington Water SystemLillington, NC1 of 13.90 ppt3,883
Woodland Run Mobile Home S/dDenver, NC1 of 13.90 ppt108
Bragg Communities/ntaFort Liberty, NC1 of 13.90 ppt3,733
Angier, Town ofAngier, NC1 of 13.90 ppt8,468
Town of Holly SpringsHolly Springs, NC1 of 13.90 ppt45,058
Coats, Town ofCoats, NC1 of 13.90 ppt2,831
East Moore Water District*Carthage, NC1 of 13.90 ppt7,990
Lillington Water System-riverbluffLillington, NC1 of 13.90 ppt93
Linden, Town ofLinden, NC1 of 13.90 ppt2,077
Woodlake Water & Sewer Inc.Denver, NC1 of 13.90 ppt1,945
Harnett County Department of Public Utilities*Lillington, NC1 of 13.90 ppt109,415
Lillington Water System - VandercroftLillington, NC1 of 13.90 ppt629
Moore County Public Utilities-hidden Lakes S/dCarthage, NC1 of 13.90 ppt165
Graystone S/dFuquay-varina, NC1 of 13.90 ppt50
Pilot Mountain, Town ofPilot Mountain, NC1 of 13.80 ppt1,976
Little Brook Nursing HomCalifon, NJ1 of 12.50 ppt36
Pico Rivera Water DepartmentPico Rivera, CA116 of 1572.46 ppt40,600
Pittsboro, Town of*Pittsboro, NC1 of 42.30 ppt5,053
Chapel Ridge S/dDenver, NC1 of 42.30 ppt798
Golden HillBedford, NH1 of 12.02 ppt110
Branchville W DepartmentBranchville, NJ9 of 211.82 ppt1,500
Durham County Rougemont Water SystemDurham, NC1 of 11.60 ppt65
South Montebello Irrigation DistrictMontebello, CA31 of 541.59 ppt15,021
Veolia Delaware Operations*Wilmington, DE3 of 81.55 ppt100,495
Surf City, Town of*Surf City, NC1 of 11.50 ppt9,730
Old Settlers Water SystemJacksonville, NC1 of 11.50 ppt2,677
Satsuma Water WorksSatsuma, AL1 of 121.50 ppt7,248
Brook Village CondominiumBoxborough, MA16 of 161.49 ppt400
Northeast Etowah County Water Co-opGadsden, AL14 of 421.48 ppt4,239
Highland Water AuthorityGadsden, AL14 of 421.48 ppt3,906
Gadsden Water Works and Sewer Board*Gadsden, AL14 of 421.48 ppt44,637
Whorton Bend Water AuthorityGadsden, AL14 of 421.48 ppt2,493
Lake Arrowhead CSDLake Arrowhead, CA5 of 131.34 ppt7,008
Montebello Land & Water CompanyMontebello, CA69 of 1361.33 ppt26,554
Yorktown S/dCharlotte, NC2 of 151.12 ppt272
Stokes County Water & Sewer Authority*Danbury, NC2 of 151.12 ppt420
Yadkin County - East Bend*Yadkinville, NC2 of 151.12 ppt97
Stokesdale, Town ofStokesdale, NC2 of 151.12 ppt2,268
Rocklyn Subdivision Phase 2Birmingham, NC2 of 151.12 ppt197
City of Winston-Salem*Pfafftown, NC2 of 151.12 ppt374,403
Bells Pond Mobile Park NorthHudson, NY1 of 20.950 ppt150
Parkspace La LLC - (tp #1)Elburn, LA1 of 20.925 ppt162
Quail Ridge Estates Water SystemLake Charles, LA1 of 20.925 ppt1,119

* 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 Perfluorodecanoic acid (PFDA) , but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
Emmaus Borough Public Water*Emmaus, PA9 of 234.26 ppt14,000
Harnett County Department of Public Utilities*Lillington, NC1 of 13.90 ppt109,415
Town of Holly SpringsHolly Springs, NC1 of 13.90 ppt45,058
Pico Rivera Water DepartmentPico Rivera, CA116 of 1572.46 ppt40,600
South Montebello Irrigation DistrictMontebello, CA31 of 541.59 ppt15,021
Veolia Delaware Operations*Wilmington, DE3 of 81.55 ppt100,495
Gadsden Water Works and Sewer Board*Gadsden, AL14 of 421.48 ppt44,637
Montebello Land & Water CompanyMontebello, CA69 of 1361.33 ppt26,554
City of Winston-Salem*Pfafftown, NC2 of 151.12 ppt374,403
Prattville334-365-3042, AL5 of 120.908 ppt45,444
ElonElon, NC1 of 20.900 ppt11,350
City of Burlington*Burlington, NC1 of 20.900 ppt59,287
Suburban Water Systems - La MiradaCovina, CA1 of 20.650 ppt56,793
City of Mount Airy*Mount Airy, NC1 of 60.633 ppt10,314
Davidson Water Inc.*Welcome, NC1 of 50.600 ppt163,586
Pico WDPico Rivera, CA12 of 660.500 ppt22,051
San Juan Basin Authority*Las Flores, CA6 of 580.400 ppt38,958
Pelham Water Works*Pelham, AL3 of 160.388 ppt38,703
Shelby County Water System*Columbiana, AL3 of 160.388 ppt35,982
Park Water Company - Bell GardensDowney, CA3 of 170.371 ppt11,292
Golden State Water Company (GSWC) - South San GabrielSan Dimas, CA7 of 500.326 ppt25,907
Town of Payson*Payson, AZ5 of 520.325 ppt17,682
Davie County Water SystemMocksville, NC1 of 110.318 ppt29,947
City of Brighton*Brighton, CO2 of 200.295 ppt55,201
Woburn Water Department (MWRA)Woburn, MA26 of 730.274 ppt38,120
Ann Arbor*Ann Arbor, MI3 of 650.231 ppt118,017
Westerly Water DepartmentWesterly, RI2 of 310.225 ppt35,298
Orchard Dale Water DistrictWhittier, CA7 of 600.220 ppt25,000
City of ClovisClovis, CA15 of 2020.213 ppt125,722
Brockton Water Commission*Brockton, MA7 of 280.208 ppt93,810
Whitman Water SystemWhitman, MA7 of 280.208 ppt14,574
City of Greensboro*Greensboro, NC1 of 100.190 ppt318,057
City of AnaheimAnaheim, CA30 of 4230.189 ppt341,245
OakdaleOakdale, MN3 of 190.183 ppt28,303
Clanton Water DepartmentClanton, AL1 of 100.180 ppt13,500
City of Corona*Corona, CA42 of 5930.179 ppt168,751
Suffern VillageSuffern, NY8 of 450.146 ppt12,000
Whittier Water Department*Whittier, CA3 of 420.138 ppt49,954
Plattsburgh CityPlattsburgh, NY1 of 90.138 ppt24,908
Burlington Water DepartmentBurlington, MA24 of 1170.136 ppt25,392
Lawrence Water WorksLawrence, MA1 of 220.134 ppt76,377
Westbury WDWestbury, NY4 of 850.128 ppt20,500
Natick Water Department*Natick, MA38 of 4160.126 ppt36,137
San Gabriel Valley Water Company- El Monte*El Monte, CA24 of 4550.113 ppt254,300
Albertson WDRoslyn Heights, NY1 of 130.108 ppt13,500
Nyack Village Water SupplyNyack, NY2 of 110.0910 ppt14,700
City of Thornton*Thornton, CO1 of 80.0890 ppt155,700
Monrovia Water DepartmentMonrovia, CA6 of 1710.0890 ppt37,787
Weymouth Water Department*Weymouth, MA2 of 350.0860 ppt53,925
Park Township (hbpw Service Area)Holland, MI1 of 250.0800 ppt13,572

* 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 Perfluorodecanoic acid (PFDA) , but it likely has the contaminant in its water supply.

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